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

Leiostegiidae ✝

Photos

Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3266669	https://www.gbif.org/species/3266669
PaleoBioDB ID (PBDB)	87641	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=87641

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Trilobita : Corynexochida : Leiostegiidae

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	Corynexochida	Kobayashi 1935
family	Leiostegiidae	Bradley 1925

Scientific Name

Leiostegiidae

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Leiostegiidae	family	belongs to Leiostegiacea	stated without evidence	Harrington and Leanza, 1957
Leiostegiidae	family	belongs to Agnostida	stated without evidence	Robison and Pantoja-Alor, 1968
Leiostegiidae	family	belongs to Trilobita	stated without evidence	Peng, 1990
Leiostegiidae	family	belongs to Corynexochida	stated with evidence	Whittington et al., 1997
Leiostegiidae	family	belongs to Leiostegiina	stated with evidence	Adrain, 2011
Leiostegiidae	family	belongs to Corynexochida	stated with evidence	Fortey and Bruton, 2013

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

505 - 501 Ma
Cambrian

Last Recorded Appearance

453 - 445 Ma
Late/Upper Ordovician

Environment

marine (based on Trilobita)

Motility

actively mobile (based on Corynexochida)

Vision

well-developed

Diet

carnivore (based on Corynexochida)

Ontogeny

molting,addition of parts (based on Trilobita)

Taphonomy

low Mg calcite, chitin (based on Trilobita)

Primary Reference (PBDB)

S. Peng. 1990. Tremadoc stratigraphy and trilobite faunas of northwestern Hunan. 1: Trilobites from the Nantsinkwan Formation of the Yangtze Platform. Beringeria 2:3-53

External Images

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Aedotes ✝ genus	doubtful (GBIF) listed (PBDB)	11	505 Ma Cambrian	501 Ma Cambrian
Agerina ✝ genus	accepted (GBIF) listed (PBDB)	52	485 Ma Cambrian	453 Ma Late/Upper Ordovician
Annamitella ✝ genus	accepted (GBIF) listed (PBDB)	41	485 Ma Cambrian	466 Ma Middle Ordovician
Arcifimbria ✝ genus	doubtful (GBIF) listed (PBDB)	3	501 Ma Cambrian	499 Ma Cambrian
Bodenbenderia ✝ genus	accepted (GBIF) listed (PBDB)	3	497 Ma Cambrian	485 Ma Cambrian
Brackebuschia ✝ genus	accepted (GBIF) listed (PBDB)	2	485 Ma Cambrian	485 Ma Cambrian
Chiawangella ✝ genus	accepted (GBIF) listed (PBDB)	5	501 Ma Cambrian	501 Ma Cambrian
Cholopilus ✝ genus	accepted (GBIF) listed (PBDB)
Chuangia ✝ genus	accepted (GBIF) listed (PBDB)	42	505 Ma Cambrian	497 Ma Cambrian
Chuangiella ✝ genus	accepted (GBIF) listed (PBDB)	5	501 Ma Cambrian	499 Ma Cambrian
Chuangioides ✝ genus	accepted (GBIF) listed (PBDB)	3	501 Ma Cambrian	501 Ma Cambrian
Eochuangia ✝ genus	accepted (GBIF) listed (PBDB)	6	499 Ma Cambrian	497 Ma Cambrian
Geminiclavula ✝ genus	accepted (GBIF) listed (PBDB)	1	505 Ma Cambrian	505 Ma Cambrian
Leiostegium ✝ genus	accepted (GBIF) listed (PBDB)	57	501 Ma Cambrian	479 Ma Early/Lower Ordovician
Lloydia ✝ genus	accepted (GBIF) listed (PBDB)	17	485 Ma Cambrian	466 Ma Middle Ordovician
Meropalla ✝ genus	accepted (GBIF) listed (PBDB)	6	501 Ma Cambrian	501 Ma Cambrian
Pagodia ✝ genus	accepted (GBIF) listed (PBDB)	31	501 Ma Cambrian	497 Ma Cambrian
Paraszechuanella ✝ genus	doubtful (GBIF) listed (PBDB)	26	485 Ma Cambrian	479 Ma Early/Lower Ordovician
Phoreotropis ✝ genus	accepted (GBIF) listed (PBDB)	8	501 Ma Cambrian	499 Ma Cambrian
Prochuangia ✝ genus	accepted (GBIF) listed (PBDB)	34	505 Ma Cambrian	497 Ma Cambrian
Pseudocalymene ✝ genus	accepted (GBIF) listed (PBDB)	23	485 Ma Cambrian	466 Ma Middle Ordovician
Ptychopleurites ✝ genus	doubtful (GBIF) listed (PBDB)	17	501 Ma Cambrian	485 Ma Cambrian
Reubenella ✝ genus	accepted (GBIF) listed (PBDB)	3	485 Ma Cambrian	479 Ma Early/Lower Ordovician
Tinaspis ✝ genus	accepted (GBIF) listed (PBDB)	1	485 Ma Cambrian	485 Ma Cambrian
Wanshania ✝ genus	accepted (GBIF) listed (PBDB)	27	505 Ma Cambrian	501 Ma Cambrian

Synonymy List

Year	Name and Author
1925	Leiostegiidae Bradley
1935	Pagodiidae Kobayashi
1957	Leiostegiidae Harrington and Leanza
1968	Leiostegiidae Robison and Pantoja-Alor p. 784
1990	Leiostegiidae Peng p. 16
1997	Leiostegiidae Whittington et al. p. 298
1997	Pagodiidae Whittington et al. p. 299
2011	Leiostegiidae Adrain p. 105
2013	Leiostegiidae Fortey and Bruton

References

Peng S. (1990) Tremadoc stratigraphy and trilobite faunas of northwestern Hunan. 1: Trilobites from the Nantsinkwan Formation of the Yangtze Platform, Beringeria 2, 3-53

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

Robison R. A., Pantoja-Alor J. (1968) Tremadocian trilobites from the Nochixtlan Region, Oaxaca, Mexico, Journal of Paleontology 42 3, 767-800

Whittington H. B., Chatterton B. D. E., et al (1997) Trilobita. Introduction, Order Agnostina, Order Redlichiida. Volume 1, Treatise on Invertebrate Paleontology O, 1-530

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

Fortey R. A., Bruton D. L. (2013) Lower Ordovician trilobites of the Kirtonryggen Formation, Spitsbergen, Fossils and Strata 59, 1-116

Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera

Museum Victoria KEmu database (Oct 2006) - via The Interim Register of Marine and Nonmarine Genera

extinct group - via The Interim Register of Marine and Nonmarine Genera

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 24, 2024 18:39:30

Go to top of page