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Phacopida ✝

Photos

Photo Gallery

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Barrandeops sp.

Morocco

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Barrandeops sp.

Morocco

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Description

Phacopida ("lens-face") is an order of trilobite that lived from the Late Cambrian to the Late Devonian. It is made up of a morphologically diverse group of related suborders.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	9513947	https://www.gbif.org/species/9513947
PaleoBioDB ID (PBDB)	21421	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=21421

Rank

order

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Trilobita : Phacopida

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
order	Phacopida	Salter 1864

Scientific Name

Phacopida

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Phacopida	order	belongs to Trilobita	stated without evidence	Harrington and Leanza, 1957
Phacopida	order	belongs to Trilobita	second hand	Sepkoski, 2002
Phacopida	order	belongs to Trilobita	stated with evidence	Adrain, 2011

Status (PBDB)

extinct

Taxon Size (PBDB)

1,332

First Recorded Appearance

513 - 501 Ma
Cambrian

Last Recorded Appearance

365 - 354 Ma
Paleozoic

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/Phacopida

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Calymenina ✝ suborder	listed (PBDB)		2,674	485 Ma Cambrian	383 Ma Late/Upper Devonian
Cheirurina ✝ suborder	listed (PBDB)		3,953	488 Ma Cambrian	384 Ma Middle Devonian
Phacopina ✝ suborder	listed (PBDB)		3,575	513 Ma Cambrian	365 Ma Late/Upper Devonian
Acastidae ✝ family	accepted (GBIF) listed (PBDB)		668	466 Ma Middle Ordovician	380 Ma Late/Upper Devonian
Bathycheilidae ✝ family	accepted (GBIF) listed (PBDB)		29	485 Ma Cambrian	461 Ma Middle Ordovician
Bavarillidae ✝ family	accepted (GBIF) listed (PBDB)		7	485 Ma Cambrian	479 Ma Early/Lower Ordovician
Calmoniidae ✝ family	accepted (GBIF) listed (PBDB)		151	439 Ma Silurian	388 Ma Middle Devonian
Calymenidae ✝ family	accepted (GBIF) listed (PBDB)		1,973	485 Ma Cambrian	408 Ma Early/Lower Devonian
Cheiruridae ✝ family	accepted (GBIF) listed (PBDB)		1,942	488 Ma Cambrian	384 Ma Middle Devonian
Dalmanitidae ✝ family	accepted (GBIF) listed (PBDB)		859	513 Ma Cambrian	388 Ma Middle Devonian
Diaphanometopidae ✝ family	accepted (GBIF) listed (PBDB)	Trilobite	1	479 Ma Early/Lower Ordovician	479 Ma Early/Lower Ordovician
Encrinuridae ✝ family	accepted (GBIF) listed (PBDB)		1,225	479 Ma Early/Lower Ordovician	419 Ma Early/Lower Devonian
Hammatocnemidae family	accepted (GBIF)	No associated record in PBDB
Homalonotidae ✝ family	accepted (GBIF) listed (PBDB)		639	485 Ma Cambrian	383 Ma Late/Upper Devonian
Homalonotinae ✝ family	accepted (GBIF) listed (PBDB)		188	485 Ma Cambrian	383 Ma Late/Upper Devonian
Monorakidae family	accepted (GBIF)	No associated record in PBDB
Phacopidae ✝ family	accepted (GBIF) listed (PBDB)		1,060	470 Ma Middle Ordovician	365 Ma Late/Upper Devonian
Phacopididae family	accepted (GBIF)	No associated record in PBDB
Pharostomatidae ✝ family	accepted (GBIF) listed (PBDB)		24	485 Ma Cambrian	466 Ma Middle Ordovician
Pilekiidae ✝ family	accepted (GBIF) listed (PBDB)		63	497 Ma Cambrian	464 Ma Middle Ordovician
Pliomeridae ✝ family	accepted (GBIF) listed (PBDB)		784	488 Ma Cambrian	450 Ma Late/Upper Ordovician
Prosopiscidae ✝ family	accepted (GBIF) listed (PBDB)		15	479 Ma Early/Lower Ordovician	464 Ma Middle Ordovician
Pterygometopidae ✝ family	accepted (GBIF) listed (PBDB)		820	488 Ma Cambrian	433 Ma Silurian
Synphoriidae family	accepted (GBIF)	No associated record in PBDB
Calpmenella ✝ genus	doubtful (GBIF) listed (PBDB)
Cybellela genus	accepted (GBIF)	No associated record in PBDB
Emsurina ✝ genus	doubtful (GBIF) listed (PBDB)		1	497 Ma Cambrian	497 Ma Cambrian
Eocheiurus ✝ genus	doubtful (GBIF) listed (PBDB)
Fenestraspis ✝ genus	doubtful (GBIF) listed (PBDB)
Feruminops ✝ genus	doubtful (GBIF) listed (PBDB)
Forillonaria ✝ genus	doubtful (GBIF) listed (PBDB)
Foulonia ✝ genus	accepted (GBIF) listed (PBDB)		3	479 Ma Early/Lower Ordovician	478 Ma Early/Lower Ordovician
Frenerinuroides ✝ genus	doubtful (GBIF) listed (PBDB)
Furacopyge ✝ genus	doubtful (GBIF) listed (PBDB)
Gourdonia ✝ genus	accepted (GBIF) listed (PBDB)
Heliocephalus ✝ genus	doubtful (GBIF) listed (PBDB)
Hexacosta ✝ genus	doubtful (GBIF) listed (PBDB)
Ibexaspis ✝ genus	accepted (GBIF) listed (PBDB)		2	479 Ma Early/Lower Ordovician	479 Ma Early/Lower Ordovician
Illaenula ✝ genus	accepted (GBIF) listed (PBDB)
Langgoni ✝ genus	doubtful (GBIF) listed (PBDB)
Leiostrototropis ✝ genus	accepted (GBIF) listed (PBDB)		1	479 Ma Early/Lower Ordovician	479 Ma Early/Lower Ordovician
Liolophops ✝ genus	doubtful (GBIF) listed (PBDB)
Malladaia ✝ genus	accepted (GBIF) listed (PBDB)
Metapliomerops ✝ genus	accepted (GBIF) listed (PBDB)		1	485 Ma Cambrian	485 Ma Cambrian
Mezocrotalus ✝ genus	doubtful (GBIF) listed (PBDB)
Mitchellaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Morocconites ✝ genus	doubtful (GBIF) listed (PBDB)
Nipponocalymene ✝ genus	doubtful (GBIF) listed (PBDB)
Pamirotellus ✝ genus	doubtful (GBIF) listed (PBDB)
Parachuangia ✝ genus	doubtful (GBIF) listed (PBDB)
Pelitlina ✝ genus	doubtful (GBIF) listed (PBDB)
Perirehaedulus ✝ genus	accepted (GBIF) listed (PBDB)
Phalangocephalus ✝ genus	accepted (GBIF) listed (PBDB)
Podolites ✝ genus	doubtful (GBIF) listed (PBDB)
Probolops ✝ genus	doubtful (GBIF) listed (PBDB)
Prodontochile ✝ genus	doubtful (GBIF) listed (PBDB)
Punillaspis ✝ genus	doubtful (GBIF) listed (PBDB)
Rabienops ✝ genus	accepted (GBIF) listed (PBDB)
Radiopyge ✝ genus	doubtful (GBIF) listed (PBDB)
Renniella ✝ genus	doubtful (GBIF) listed (PBDB)
Reussiana ✝ genus	doubtful (GBIF) listed (PBDB)
Rhinophacops ✝ genus	doubtful (GBIF) listed (PBDB)
Rhinoreedops ✝ genus	doubtful (GBIF) listed (PBDB)
Roncellia ✝ genus	doubtful (GBIF) listed (PBDB)
Sambremeusapis ✝ genus	doubtful (GBIF) listed (PBDB)
Sanidopyge ✝ genus	doubtful (GBIF) listed (PBDB)
Scabrella ✝ genus	doubtful (GBIF) listed (PBDB)
Schoharia ✝ genus	doubtful (GBIF) listed (PBDB)
Spinodontochile ✝ genus	doubtful (GBIF) listed (PBDB)
Teichertops ✝ genus	accepted (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Toxophacops ✝ genus	doubtful (GBIF) listed (PBDB)
Trypaulites ✝ genus	doubtful (GBIF) listed (PBDB)		1	393 Ma Early/Lower Devonian	393 Ma Early/Lower Devonian
Turcopyge ✝ genus	doubtful (GBIF) listed (PBDB)
Typhloiscus ✝ genus	doubtful (GBIF) listed (PBDB)
Viaphacops ✝ genus	accepted (GBIF) listed (PBDB)		1	388 Ma Middle Devonian	388 Ma Middle Devonian
Wallacia ✝ genus	accepted (GBIF) listed (PBDB)

Synonymy List

Year	Name and Author
1864	Phacopida Salter
1957	Phacopida Harrington and Leanza
2002	Phacopida Sepkoski, Jr.
2011	Phacopida Adrain p. 105

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

Adrain J. M. (2011) Class Trilobita Walch, 1771, Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness 3148, 104-109

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!

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