Learning Center What is a mineral?The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time

Minerals by Properties Minerals by Chemistry Advanced Locality Search Random Mineral Random Locality Search by minID Localities Near Me Search Articles Search Glossary More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Mining Companies Statistics Users Mineral Museums Clubs & Organizations Mineral Shows & Events The Mindat Directory Device Settings The Mineral Quiz

Photo Search Photo Galleries Search by Color New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Ptychopariida ✝

Photos

Photo Gallery

Brachyaspidion microps

Millard County, Utah, USA

Elrathia marjumi

Millard County, Utah, USA

Protolenus densigranulatus

Morocco

Brachyaspidion microps

Millard County, Utah, USA

Elrathia marjumi

Millard County, Utah, USA

Protolenus densigranulatus

Morocco

Brachyaspidion microps

Millard County, Utah, USA

Elrathia marjumi

Millard County, Utah, USA

Description

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in the second half of the Lower Cambrian, and the last species did not survive the Ordovician–Silurian extinction event.

From Wikipedia article at https://en.wikipedia.org/wiki/Ptychopariida, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	9583276	https://www.gbif.org/species/9583276
PaleoBioDB ID (PBDB)	20239	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=20239

Rank

order

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Trilobita : Ptychopariida

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
class	Trilobita	Walch 1771
subclass	Libristoma	Fortey 1990
order	Ptychopariida	Swinnerton 1915

Scientific Name

Ptychopariida

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Ptychopariida	order	belongs to Trilobita	stated without evidence	Harrington and Leanza, 1957
Ptychopariida	order	belongs to Libristoma	stated with evidence	Fortey, 1990
Ptychopariida	order	belongs to Trilobita	stated without evidence	Bengtson, 1992
Ptychopariida	order	belongs to Trilobita	second hand	Sepkoski, 2002
Ptychopariida	order	belongs to Trilobita	stated without evidence	Sundberg and McCollum, 2003

Status (PBDB)

extinct

Taxon Size (PBDB)

1,245

First Recorded Appearance

541 - 516 Ma
Cambrian

Last Recorded Appearance

427 - 426 Ma
Silurian

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Trilobita)

Diet

carnivore (based on Trilobita)

Ontogeny

molting,addition of parts (based on Trilobita)

Taphonomy

low Mg calcite, chitin (based on Trilobita)

Primary Reference (PBDB)

J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Wikipedia

https://en.wikipedia.org/wiki/Ptychopariida

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Olenina ✝ suborder	listed (PBDB)		1	427 Ma Silurian	427 Ma Silurian
Ptychopariina ✝ suborder	listed (PBDB)		288	541 Ma Cambrian	501 Ma Cambrian
Trinucleina ✝ genus	doubtful (GBIF) listed (PBDB)
Solenopleuracea ✝ superfamily	listed (PBDB)
Acrocephalitidae ✝ family	accepted (GBIF) listed (PBDB)		40	516 Ma Cambrian	485 Ma Cambrian
Agraulidae ✝ family	accepted (GBIF) listed (PBDB)		102	520 Ma Cambrian	501 Ma Cambrian
Aldonaiidae ✝ family	accepted (GBIF) listed (PBDB)		13	520 Ma Cambrian	516 Ma Cambrian
Alokistocaridae ✝ family	accepted (GBIF) listed (PBDB)		270	516 Ma Cambrian	501 Ma Cambrian
Antagmidae ✝ family	accepted (GBIF) listed (PBDB)		72	541 Ma Cambrian	505 Ma Cambrian
Asaphiscidae ✝ family	accepted (GBIF) listed (PBDB)		85	516 Ma Cambrian	485 Ma Cambrian
Aulacodigmatidae family	accepted (GBIF)	No associated record in PBDB
Avoninidae ✝ family	accepted (GBIF) listed (PBDB)
Bigotinidae ✝ family	accepted (GBIF) listed (PBDB)		6	520 Ma Cambrian	520 Ma Cambrian
Bolaspididae ✝ family	accepted (GBIF) listed (PBDB)		9	513 Ma Cambrian	501 Ma Cambrian
Catillicephalidae ✝ family	accepted (GBIF) listed (PBDB)		280	513 Ma Cambrian	479 Ma Early/Lower Ordovician
Cedariidae ✝ family	accepted (GBIF) listed (PBDB)		82	513 Ma Cambrian	501 Ma Cambrian
Changshaniidae ✝ family	accepted (GBIF) listed (PBDB)		14	501 Ma Cambrian	497 Ma Cambrian
Conocoryphidae ✝ family	accepted (GBIF) listed (PBDB)		109	513 Ma Cambrian	485 Ma Cambrian
Conokephalinidae ✝ family	accepted (GBIF) listed (PBDB)		34	513 Ma Cambrian	499 Ma Cambrian
Coosellidae family	accepted (GBIF)	No associated record in PBDB
Crepicephalidae ✝ family	accepted (GBIF) listed (PBDB)		296	513 Ma Cambrian	497 Ma Cambrian
Diceratocephalidae ✝ family	listed (PBDB)		120	513 Ma Cambrian	501 Ma Cambrian
Dokimocephalidae ✝ family	accepted (GBIF) listed (PBDB)		393	501 Ma Cambrian	485 Ma Cambrian
Ellipsocephalidae ✝ family	accepted (GBIF) listed (PBDB)		298	541 Ma Cambrian	505 Ma Cambrian
Ellipsocephaloididae ✝ family	accepted (GBIF) listed (PBDB)		35	501 Ma Cambrian	499 Ma Cambrian
Elviniidae ✝ family	accepted (GBIF) listed (PBDB)		372	501 Ma Cambrian	497 Ma Cambrian
Emmrichellidae family	accepted (GBIF)	No associated record in PBDB
Estaingiidae ✝ family	accepted (GBIF) listed (PBDB)		44	520 Ma Cambrian	516 Ma Cambrian
Eulomatidae family	accepted (GBIF)	No associated record in PBDB
Eulomidae ✝ family	accepted (GBIF) listed (PBDB)		282	505 Ma Cambrian	478 Ma Early/Lower Ordovician
Holanshaniidae family	accepted (GBIF)	No associated record in PBDB
Holocephalinidae ✝ family	accepted (GBIF) listed (PBDB)		9	513 Ma Cambrian	485 Ma Cambrian
Housiidae family	accepted (GBIF)	No associated record in PBDB
Hypermecaspididae ✝ family	accepted (GBIF) listed (PBDB)
Ichangiidae family	accepted (GBIF)	No associated record in PBDB
Ignotogregatidae ✝ family	accepted (GBIF) listed (PBDB)
Inouyiidae ✝ family	accepted (GBIF) listed (PBDB)		27	513 Ma Cambrian	501 Ma Cambrian
Isocolidae ✝ family	accepted (GBIF) listed (PBDB)		30	485 Ma Cambrian	445 Ma Late/Upper Ordovician
Ityophoridae ✝ family	accepted (GBIF) listed (PBDB)		4	458 Ma Late/Upper Ordovician	453 Ma Late/Upper Ordovician
Kingstoniidae ✝ family	accepted (GBIF) listed (PBDB)		348	513 Ma Cambrian	485 Ma Cambrian
Komaspididae family	accepted (GBIF)	No associated record in PBDB
Lisaniidae ✝ family	accepted (GBIF) listed (PBDB)		140	513 Ma Cambrian	497 Ma Cambrian
Llanoaspididae ✝ family	accepted (GBIF) listed (PBDB)		73	513 Ma Cambrian	497 Ma Cambrian
Loganellidae ✝ family	accepted (GBIF) listed (PBDB)		27	513 Ma Cambrian	497 Ma Cambrian
Lonchocephalidae ✝ family	accepted (GBIF) listed (PBDB)		199	513 Ma Cambrian	468 Ma Middle Ordovician
Lorenzellidae ✝ family	accepted (GBIF) listed (PBDB)		19	513 Ma Cambrian	501 Ma Cambrian
Luaspididae ✝ family	accepted (GBIF) listed (PBDB)		1	513 Ma Cambrian	513 Ma Cambrian
Mapaniidae ✝ family	accepted (GBIF) listed (PBDB)		18	513 Ma Cambrian	501 Ma Cambrian
Menomoniidae ✝ family	accepted (GBIF) listed (PBDB)		84	513 Ma Cambrian	501 Ma Cambrian
Nepeidae ✝ family	accepted (GBIF) listed (PBDB)		5	507 Ma Cambrian	501 Ma Cambrian
Norwoodiidae ✝ family	accepted (GBIF) listed (PBDB)		83	513 Ma Cambrian	485 Ma Cambrian
Olenidae ✝ family	accepted (GBIF) listed (PBDB)		1,342	513 Ma Cambrian	450 Ma Late/Upper Ordovician
Onchonotopsidae ✝ family	accepted (GBIF) listed (PBDB)
Palaeolenidae ✝ family	accepted (GBIF) listed (PBDB)		44	520 Ma Cambrian	505 Ma Cambrian
Papyriaspididae ✝ family	accepted (GBIF) listed (PBDB)		56	516 Ma Cambrian	501 Ma Cambrian
Phylacteridae ✝ family	accepted (GBIF) listed (PBDB)		126	501 Ma Cambrian	485 Ma Cambrian
Plethopeltidae ✝ family	accepted (GBIF) listed (PBDB)		182	513 Ma Cambrian	485 Ma Cambrian
Proasaphiscidae ✝ family	accepted (GBIF) listed (PBDB)		249	516 Ma Cambrian	501 Ma Cambrian
Ptychopariidae ✝ family	accepted (GBIF) listed (PBDB)		788	541 Ma Cambrian	485 Ma Cambrian
Ptychoparioidae family	accepted (GBIF)	No associated record in PBDB
Raymondinidae ✝ family	accepted (GBIF) listed (PBDB)		64	501 Ma Cambrian	453 Ma Late/Upper Ordovician
Shumardiidae ✝ family	accepted (GBIF) listed (PBDB)		226	501 Ma Cambrian	450 Ma Late/Upper Ordovician
Tengfengiidae family	accepted (GBIF)	No associated record in PBDB
Thysanopeltidae family	accepted (GBIF)	No associated record in PBDB
Tricrepicephalidae ✝ family	accepted (GBIF) listed (PBDB)		66	513 Ma Cambrian	497 Ma Cambrian
Utiidae ✝ family	accepted (GBIF) listed (PBDB)		16	516 Ma Cambrian	513 Ma Cambrian
Wuaniidae ✝ family	accepted (GBIF) listed (PBDB)		30	513 Ma Cambrian	513 Ma Cambrian
Yunnanocephalidae ✝ family	accepted (GBIF) listed (PBDB)		47	541 Ma Cambrian	516 Ma Cambrian
Acanthometopus ✝ genus	doubtful (GBIF) listed (PBDB)
Acanthopleurella ✝ genus	doubtful (GBIF) listed (PBDB)		1	479 Ma Early/Lower Ordovician	479 Ma Early/Lower Ordovician
Acrodirotes ✝ genus	doubtful (GBIF) listed (PBDB)
Agraulopsis ✝ genus	doubtful (GBIF) listed (PBDB)		1	513 Ma Cambrian	513 Ma Cambrian
Ajrikina ✝ genus	accepted (GBIF) listed (PBDB)		27	505 Ma Cambrian	501 Ma Cambrian
Alekcinella ✝ genus	doubtful (GBIF) listed (PBDB)
Alokistocare ✝ genus	accepted (GBIF) listed (PBDB)		52	516 Ma Cambrian	501 Ma Cambrian
Alokistocarella ✝ genus	accepted (GBIF) listed (PBDB)		11	516 Ma Cambrian	501 Ma Cambrian
Amicus ✝ genus	listed (PBDB)
Amphorella ✝ genus	doubtful (GBIF) listed (PBDB)
Amquia ✝ genus	doubtful (GBIF) listed (PBDB)
Amzasskiella ✝ genus	doubtful (GBIF) listed (PBDB)		4	499 Ma Cambrian	485 Ma Cambrian
Anabaraspis ✝ genus	listed (PBDB)
Anemocephalops ✝ genus	doubtful (GBIF) listed (PBDB)
Anemocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Angustaeva ✝ genus	doubtful (GBIF) listed (PBDB)
Anopocodia ✝ genus	doubtful (GBIF) listed (PBDB)
Antatlasia ✝ genus	accepted (GBIF) listed (PBDB)
Anuloides ✝ genus	doubtful (GBIF) listed (PBDB)
Apatokephaloides ✝ genus	accepted (GBIF) listed (PBDB)		12	501 Ma Cambrian	485 Ma Cambrian
Apomodocia ✝ genus	doubtful (GBIF) listed (PBDB)
Aposolenopleura ✝ genus	accepted (GBIF) listed (PBDB)
Argunaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Arraphus ✝ genus	doubtful (GBIF) listed (PBDB)
Ascionepea ✝ genus	doubtful (GBIF) listed (PBDB)
Asilluchus ✝ genus	doubtful (GBIF) listed (PBDB)
Aulacodigma ✝ genus	doubtful (GBIF) listed (PBDB)
Avonina ✝ genus	accepted (GBIF) listed (PBDB)
Badainjaranaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Baikonuraspis ✝ genus	doubtful (GBIF) listed (PBDB)
Batchatiella ✝ genus	doubtful (GBIF) listed (PBDB)
Bemaspis ✝ genus	accepted (GBIF) listed (PBDB)
Beothuckia ✝ genus	doubtful (GBIF) listed (PBDB)
Biavertia ✝ genus	doubtful (GBIF) listed (PBDB)
Bicella ✝ genus	doubtful (GBIF) listed (PBDB)
Bifodina ✝ genus	accepted (GBIF) listed (PBDB)		2	485 Ma Cambrian	485 Ma Cambrian
Bigotina ✝ genus	accepted (GBIF) listed (PBDB)		2	520 Ma Cambrian	520 Ma Cambrian
Bigotinella ✝ genus	doubtful (GBIF) listed (PBDB)		4	520 Ma Cambrian	520 Ma Cambrian
Biscoia ✝ genus	listed (PBDB)		1	541 Ma Cambrian	541 Ma Cambrian
Blainiopsis ✝ genus	doubtful (GBIF) listed (PBDB)		1	513 Ma Cambrian	513 Ma Cambrian
Bolaspidellus ✝ genus	doubtful (GBIF) listed (PBDB)
Bowmania ✝ genus	accepted (GBIF) listed (PBDB)		9	501 Ma Cambrian	499 Ma Cambrian
Brassicicephalus ✝ genus	accepted (GBIF) listed (PBDB)		1	497 Ma Cambrian	497 Ma Cambrian
Brutaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Bucksella ✝ genus	accepted (GBIF) listed (PBDB)
Bulnibarbi ✝ genus	doubtful (GBIF) listed (PBDB)
Bvalbardites ✝ genus	doubtful (GBIF) listed (PBDB)
Caborcella ✝ genus	accepted (GBIF) listed (PBDB)		24	516 Ma Cambrian	513 Ma Cambrian
Cainatops ✝ genus	doubtful (GBIF) listed (PBDB)
Cambroproteus ✝ genus	accepted (GBIF) listed (PBDB)		1	513 Ma Cambrian	513 Ma Cambrian
Catasolenopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Cedaraspis ✝ genus	doubtful (GBIF) listed (PBDB)
Cedarellus ✝ genus	doubtful (GBIF) listed (PBDB)
Champlainia ✝ genus	accepted (GBIF) listed (PBDB)
Changshanocephalus ✝ genus	accepted (GBIF) listed (PBDB)
Chondrastaulina ✝ genus	doubtful (GBIF) listed (PBDB)
Chosenia ✝ genus	doubtful (GBIF) listed (PBDB)		4	485 Ma Cambrian	485 Ma Cambrian
Chuangiformis ✝ genus	doubtful (GBIF) listed (PBDB)
Chulanolenus ✝ genus	doubtful (GBIF) listed (PBDB)
Ciliocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Ciliscutellum ✝ genus	doubtful (GBIF) listed (PBDB)
Coenaspis ✝ genus	accepted (GBIF) listed (PBDB)
Collyrolenus ✝ genus	accepted (GBIF) listed (PBDB)
Conococheaquea ✝ genus	doubtful (GBIF) listed (PBDB)
Corbina ✝ genus	doubtful (GBIF) listed (PBDB)		1	501 Ma Cambrian	501 Ma Cambrian
Craigheadia ✝ genus	doubtful (GBIF) listed (PBDB)
Crepichilella ✝ genus	accepted (GBIF) listed (PBDB)
Crusoia ✝ genus	accepted (GBIF) listed (PBDB)
Culmenaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Cyclognathina ✝ genus	doubtful (GBIF) listed (PBDB)		1	499 Ma Cambrian	499 Ma Cambrian
Cyclolorenzella genus	accepted (GBIF)	No associated record in PBDB
Damaiaoaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Dananzhuangaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Decus ✝ genus	doubtful (GBIF) listed (PBDB)
Delleana ✝ genus	doubtful (GBIF) listed (PBDB)
Diceratocephalus ✝ genus	accepted (GBIF) listed (PBDB)		6	501 Ma Cambrian	501 Ma Cambrian
Didwudina ✝ genus	doubtful (GBIF) listed (PBDB)
Dipyrgotes ✝ genus	doubtful (GBIF) listed (PBDB)
Dolgaia ✝ genus	doubtful (GBIF) listed (PBDB)
Dorypygella genus	accepted (GBIF)	No associated record in PBDB
Dunderbergella ✝ genus	accepted (GBIF) listed (PBDB)
Ejinaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Elatius ✝ genus	doubtful (GBIF) listed (PBDB)
Eldoradia ✝ genus	accepted (GBIF) listed (PBDB)		2	516 Ma Cambrian	516 Ma Cambrian
Ellipsostrenua ✝ genus	accepted (GBIF) listed (PBDB)
Elvinoides ✝ genus	doubtful (GBIF) listed (PBDB)
Elviraspis ✝ genus	doubtful (GBIF) listed (PBDB)
Enammocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Eoptychoparia ✝ genus	accepted (GBIF) listed (PBDB)		20	516 Ma Cambrian	513 Ma Cambrian
Erdoradites ✝ genus	doubtful (GBIF) listed (PBDB)
Eurostina ✝ genus	listed (PBDB)
Eurycare ✝ genus	doubtful (GBIF) listed (PBDB)
Faciura ✝ genus	accepted (GBIF) listed (PBDB)		5	501 Ma Cambrian	501 Ma Cambrian
Fenghuangella ✝ genus	accepted (GBIF) listed (PBDB)		44	505 Ma Cambrian	501 Ma Cambrian
Ferralsia ✝ genus	doubtful (GBIF) listed (PBDB)
Fissocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Galeaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Gaotanaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Gloria ✝ genus	doubtful (GBIF) listed (PBDB)
Glyptometopus ✝ genus	doubtful (GBIF) listed (PBDB)
Groenwallia ✝ genus	doubtful (GBIF) listed (PBDB)		1	541 Ma Cambrian	541 Ma Cambrian
Habrocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Hanivella ✝ genus	doubtful (GBIF) listed (PBDB)
Harpidoides ✝ genus	doubtful (GBIF) listed (PBDB)		5	499 Ma Cambrian	497 Ma Cambrian
Hartshillina ✝ genus	doubtful (GBIF) listed (PBDB)
Hatangia ✝ genus	doubtful (GBIF) listed (PBDB)
Helieranella ✝ genus	doubtful (GBIF) listed (PBDB)
Henadoparia ✝ genus	doubtful (GBIF) listed (PBDB)
Hidascutellum ✝ genus	doubtful (GBIF) listed (PBDB)
Hindermeyeria ✝ genus	doubtful (GBIF) listed (PBDB)
Holasaphus ✝ genus	doubtful (GBIF) listed (PBDB)		1	501 Ma Cambrian	501 Ma Cambrian
Houmengia ✝ genus	doubtful (GBIF) listed (PBDB)
Huaiaspis ✝ genus	accepted (GBIF) listed (PBDB)		1	513 Ma Cambrian	513 Ma Cambrian
Huaibeia ✝ genus	doubtful (GBIF) listed (PBDB)
Huainania ✝ genus	doubtful (GBIF) listed (PBDB)
Hupeia ✝ genus	doubtful (GBIF) listed (PBDB)
Hyperoparia ✝ genus	doubtful (GBIF) listed (PBDB)
Idiorapha ✝ genus	doubtful (GBIF) listed (PBDB)
Ignotogregatus ✝ genus	accepted (GBIF) listed (PBDB)
Inoyellaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Interalia ✝ genus	doubtful (GBIF) listed (PBDB)
Iohomia ✝ genus	doubtful (GBIF) listed (PBDB)
Irinia ✝ genus	doubtful (GBIF) listed (PBDB)
Irvingelloides ✝ genus	doubtful (GBIF) listed (PBDB)
Janxilithus ✝ genus	doubtful (GBIF) listed (PBDB)
Jessievillia ✝ genus	doubtful (GBIF) listed (PBDB)
Jiangjunshania ✝ genus	doubtful (GBIF) listed (PBDB)
Jiangsuaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Jiangsucephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Kabukiia ✝ genus	doubtful (GBIF) listed (PBDB)
Kameschkoviella ✝ genus	doubtful (GBIF) listed (PBDB)
Karagandoides ✝ genus	doubtful (GBIF) listed (PBDB)
Kasatchaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Kaufmannella ✝ genus	doubtful (GBIF) listed (PBDB)		4	499 Ma Cambrian	497 Ma Cambrian
Kazelina ✝ genus	doubtful (GBIF) listed (PBDB)
Kepisis ✝ genus	doubtful (GBIF) listed (PBDB)
Kirengelia ✝ genus	doubtful (GBIF) listed (PBDB)
Kochaspis ✝ genus	accepted (GBIF) listed (PBDB)		26	513 Ma Cambrian	501 Ma Cambrian
Kochiellina ✝ genus	accepted (GBIF) listed (PBDB)		2	513 Ma Cambrian	513 Ma Cambrian
Komaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Krolina ✝ genus	doubtful (GBIF) listed (PBDB)
Lauzonella ✝ genus	accepted (GBIF) listed (PBDB)		10	499 Ma Cambrian	499 Ma Cambrian
Lecanoaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Lecanopleura ✝ genus	accepted (GBIF) listed (PBDB)		2	541 Ma Cambrian	541 Ma Cambrian
Leioscutellum ✝ genus	doubtful (GBIF) listed (PBDB)
Leocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Leptoplastus ✝ genus	accepted (GBIF) listed (PBDB)		1	541 Ma Cambrian	541 Ma Cambrian
Limpeina ✝ genus	doubtful (GBIF) listed (PBDB)
Liocare ✝ genus	doubtful (GBIF) listed (PBDB)
Liopelta ✝ genus	doubtful (GBIF) listed (PBDB)
Liosolenopleura ✝ genus	doubtful (GBIF) listed (PBDB)		1	513 Ma Cambrian	513 Ma Cambrian
Litaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Lochmanaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Loganopeltis ✝ genus	doubtful (GBIF) listed (PBDB)
Luaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Lunacephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Luottuolingia ✝ genus	doubtful (GBIF) listed (PBDB)
Luxella ✝ genus	accepted (GBIF) listed (PBDB)
Luyanhaoia ✝ genus	doubtful (GBIF) listed (PBDB)
Lydiaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Macelloura ✝ genus	accepted (GBIF) listed (PBDB)
Macronoda ✝ genus	accepted (GBIF) listed (PBDB)		4	501 Ma Cambrian	499 Ma Cambrian
Magnacephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Magnomma ✝ genus	doubtful (GBIF) listed (PBDB)
Maladia genus	accepted (GBIF)	No associated record in PBDB
Malinaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Manchurocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Megadunderbergia ✝ genus	doubtful (GBIF) listed (PBDB)
Megalopsis ✝ genus	listed (PBDB)
Meniscocorphye ✝ genus	doubtful (GBIF) listed (PBDB)
Menocephalites ✝ genus	accepted (GBIF) listed (PBDB)		4	513 Ma Cambrian	505 Ma Cambrian
Mesetaia ✝ genus	doubtful (GBIF) listed (PBDB)
Metisaspina ✝ genus	doubtful (GBIF) listed (PBDB)
Metisaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Michaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Minicephalus ✝ genus	accepted (GBIF) listed (PBDB)		2	501 Ma Cambrian	501 Ma Cambrian
Minkella ✝ genus	accepted (GBIF) listed (PBDB)		12	501 Ma Cambrian	499 Ma Cambrian
Miranda ✝ genus	listed (PBDB)
Mundocephalina ✝ genus	doubtful (GBIF) listed (PBDB)		2	520 Ma Cambrian	520 Ma Cambrian
Munijia ✝ genus	doubtful (GBIF) listed (PBDB)
Nambeetella ✝ genus	accepted (GBIF) listed (PBDB)		13	479 Ma Early/Lower Ordovician	477 Ma Early/Lower Ordovician
Nassovia ✝ genus	doubtful (GBIF) listed (PBDB)
Neoacrocephalites ✝ genus	doubtful (GBIF) listed (PBDB)
Neoanomocerella ✝ genus	doubtful (GBIF) listed (PBDB)
Neohedinaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Neoshirakiella ✝ genus	doubtful (GBIF) listed (PBDB)
Neosolenopleurella ✝ genus	doubtful (GBIF) listed (PBDB)
Neotaenicephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Nericiaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Nilcgna ✝ genus	doubtful (GBIF) listed (PBDB)
Obrucheviaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Octobronteus ✝ genus	doubtful (GBIF) listed (PBDB)
Olekmaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Onchopeltis ✝ genus	accepted (GBIF) listed (PBDB)
Orlovia ✝ genus	doubtful (GBIF) listed (PBDB)
Orloviella ✝ genus	doubtful (GBIF) listed (PBDB)
Ouijjania ✝ genus	doubtful (GBIF) listed (PBDB)
Pachyaspis ✝ genus	accepted (GBIF) listed (PBDB)		18	516 Ma Cambrian	501 Ma Cambrian
Palaeolenides ✝ genus	doubtful (GBIF) listed (PBDB)
Papyriaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Paracrocephalites ✝ genus	doubtful (GBIF) listed (PBDB)
Paraenshia ✝ genus	doubtful (GBIF) listed (PBDB)
Paraeosoptychoparia ✝ genus	doubtful (GBIF) listed (PBDB)
Parairvingella ✝ genus	accepted (GBIF) listed (PBDB)		2	501 Ma Cambrian	501 Ma Cambrian
Parakingasidoides ✝ genus	doubtful (GBIF) listed (PBDB)
Paralorenzella ✝ genus	doubtful (GBIF) listed (PBDB)
Paramicmacca ✝ genus	doubtful (GBIF) listed (PBDB)
Paranumia ✝ genus	doubtful (GBIF) listed (PBDB)
Paraolenus ✝ genus	doubtful (GBIF) listed (PBDB)
Parapachyaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Parapeishania ✝ genus	doubtful (GBIF) listed (PBDB)
Paratermierella ✝ genus	doubtful (GBIF) listed (PBDB)
Paratretaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Patronaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Pedinaspis ✝ genus	listed (PBDB)
Peishania ✝ genus	accepted (GBIF) listed (PBDB)
Periommella ✝ genus	accepted (GBIF) listed (PBDB)
Perioura ✝ genus	accepted (GBIF) listed (PBDB)
Pesaia ✝ genus	doubtful (GBIF) listed (PBDB)
Petruninaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Plagiura ✝ genus	accepted (GBIF) listed (PBDB)		43	516 Ma Cambrian	513 Ma Cambrian
Platyharpes ✝ genus	accepted (GBIF) listed (PBDB)
Polycertaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Populsenella ✝ genus	doubtful (GBIF) listed (PBDB)
Proaulacopleura ✝ genus	accepted (GBIF) listed (PBDB)
Promesus ✝ genus	accepted (GBIF) listed (PBDB)		1	541 Ma Cambrian	541 Ma Cambrian
Propatokephalops ✝ genus	doubtful (GBIF) listed (PBDB)
Propeltura ✝ genus	doubtful (GBIF) listed (PBDB)
Protagraulos ✝ genus	doubtful (GBIF) listed (PBDB)
Protohedinia ✝ genus	doubtful (GBIF) listed (PBDB)
Pruvostinoides ✝ genus	accepted (GBIF) listed (PBDB)		1	520 Ma Cambrian	520 Ma Cambrian
Pseudatops ✝ genus	accepted (GBIF) listed (PBDB)
Pseudoalokistocare ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudokadyella ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudolenus ✝ genus	accepted (GBIF) listed (PBDB)
Pseudomexicella ✝ genus	doubtful (GBIF) listed (PBDB)
Pseudosolenopleura ✝ genus	doubtful (GBIF) listed (PBDB)
Ptychoparoides ✝ genus	doubtful (GBIF) listed (PBDB)
Ptychoparopsis ✝ genus	accepted (GBIF) listed (PBDB)
Pyttstrigis ✝ genus	doubtful (GBIF) listed (PBDB)
Qingshuihella ✝ genus	doubtful (GBIF) listed (PBDB)
Rampartaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Randicephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Rasettaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Regius ✝ genus	listed (PBDB)
Remizites ✝ genus	doubtful (GBIF) listed (PBDB)
Rimouskia ✝ genus	accepted (GBIF) listed (PBDB)		1	530 Ma Cambrian	530 Ma Cambrian
Rinconia ✝ genus	accepted (GBIF) listed (PBDB)
Sagitaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Sagitoides ✝ genus	doubtful (GBIF) listed (PBDB)
Salankanaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Sangzhiscutellum ✝ genus	doubtful (GBIF) listed (PBDB)
Schistometopus ✝ genus	accepted (GBIF) listed (PBDB)		12	513 Ma Cambrian	513 Ma Cambrian
Schoriella ✝ genus	doubtful (GBIF) listed (PBDB)
Schyilaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Seletoides ✝ genus	doubtful (GBIF) listed (PBDB)
Semicyclocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Shumardops ✝ genus	doubtful (GBIF) listed (PBDB)
Sinocrepicephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Stella ✝ genus	doubtful (GBIF) listed (PBDB)
Striticephala ✝ genus	doubtful (GBIF) listed (PBDB)
Syspacephalus ✝ genus	accepted (GBIF) listed (PBDB)		53	541 Ma Cambrian	513 Ma Cambrian
Syspacheilus ✝ genus	accepted (GBIF) listed (PBDB)		8	513 Ma Cambrian	501 Ma Cambrian
Talbotinella ✝ genus	doubtful (GBIF) listed (PBDB)
Tatonaspis ✝ genus	accepted (GBIF) listed (PBDB)		10	501 Ma Cambrian	485 Ma Cambrian
Tatulaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Termieraspis ✝ genus	doubtful (GBIF) listed (PBDB)
Tholus ✝ genus	doubtful (GBIF) listed (PBDB)
Tonopahella ✝ genus	accepted (GBIF) listed (PBDB)		19	513 Ma Cambrian	513 Ma Cambrian
Torridella ✝ genus	accepted (GBIF) listed (PBDB)
Tosotychia ✝ genus	doubtful (GBIF) listed (PBDB)
Triarthrella ✝ genus	doubtful (GBIF) listed (PBDB)
Triarthroides ✝ genus	accepted (GBIF) listed (PBDB)
Trigocephalus ✝ genus	accepted (GBIF) listed (PBDB)		1	501 Ma Cambrian	501 Ma Cambrian
Tuberaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Urbanaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Urjungaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Varanella ✝ genus	accepted (GBIF) listed (PBDB)
Verkholenella ✝ genus	doubtful (GBIF) listed (PBDB)
Volocephalina ✝ genus	accepted (GBIF) listed (PBDB)		42	516 Ma Cambrian	513 Ma Cambrian
Wangzishia ✝ genus	doubtful (GBIF) listed (PBDB)
Whittingtonella ✝ genus	doubtful (GBIF) listed (PBDB)
Wilsonarella ✝ genus	doubtful (GBIF) listed (PBDB)
Wongia ✝ genus	doubtful (GBIF) listed (PBDB)
Xianquianaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Yohoaspis ✝ genus	accepted (GBIF) listed (PBDB)
Yuehsieszella ✝ genus	doubtful (GBIF) listed (PBDB)
Corbinia apopsis species	accepted (GBIF)	No associated record in PBDB
Corbinia implumis species	accepted (GBIF)	No associated record in PBDB
Piochella peasleensis ✝ species	accepted (GBIF) listed (PBDB)		9	513 Ma Cambrian	513 Ma Cambrian

Synonymy List

Year	Name and Author
1915	Ptychopariida Swinnerton pp. 538-545
1957	Ptychopariida Harrington and Leanza
1990	Ptychopariida Fortey p. 561
1992	Ptychopariida Bengtson p. 1023
2000	Ptychopariida Sundberg and McCollum p. 607
2002	Ptychopariida Sepkoski, Jr.
2003	Ptychopariida Sundberg and McCollum p. 345
2008	Ptychopariida Briggs et al. p. 249
2008	Ptychopariida Landing et al. p. 898

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Harrington H. J., Leanza A. F. (1957) Ordovician trilobites of Argentina, Department of Geology, University of Kansas Special Publication. Lawrence: University of Kansas Press 1, 1-276

Fortey R. A. (1990) Ontogeny, hypostome attachment and trilobite classification, Palaeontology 33 3, 529-576

Bengtson S. (1992) Proterozoic and earliest Cambrian skeletal metazoans, The Proterozoic Biosphere: A Multidisciplinary Study, 1017-1034

Sundberg F. A., McCollum L. B. (2000) Ptychoparid trilobites of the Lower-Middle Cambrian boundary interval, Pioche Shale, southeastern Nevada, Journal of Paleontology 74 4, 604-630

Sundberg F. A., McCollum L.B. (2003) Trilobites of the lower Middle Cambrian Poliella denticulata biozone (new) of southeastern Nevada, Journal of Paleontology 77 2, 331-359

Briggs D. E. G., Lieberman B. S., et al (2008) Middle Cambrian arthropods from Utah, Journal of Paleontology 82 2, 238-254

Landing E., Johnson S. C., et al (2008) Faunas and Cambrian volcanism on the Avalonian marginal platform, southern New Brunswick, Journal of Paleontology 82 5, 884-905

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

Quick NavTop External Images Fossil Distribution Subtaxa Synonymy List References

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 27, 2024 04:23:54

Go to top of page