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Pterygometopidae ✝

Photos

Photo Gallery

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Kainops invius

Coal County, Oklahoma, USA

Description

The Pterygometopidae are a family of trilobites, that is known from the Floian to the Katian (Ordovician), and reappears from the Telychian to the Sheinwoodian (Silurian). As part of the Phacopina suborder, its members have schizochroal eyes.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3266802	https://www.gbif.org/species/3266802
PaleoBioDB ID (PBDB)	133731	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=133731

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Trilobita : Phacopida : Pterygometopidae

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
suborder	Phacopina	Struve 1959
superfamily	Phacopoidea	Hupe 1953
family	Pterygometopidae	Reed 1905

Scientific Name

Pterygometopidae

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Pterygometopidae	family	belongs to Phacopida	stated with evidence	Whittington et al., 1997
Pterygometopidae	family	belongs to Phacopida	stated without evidence	Jell and Adrain, 2002
Pterygometopidae	family	belongs to Phacopoidea	stated with evidence	Adrain, 2011

Status (PBDB)

extinct

Taxon Size (PBDB)

145

First Recorded Appearance

488 - 472 Ma
Paleozoic

Last Recorded Appearance

433 - 427 Ma
Silurian

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Trilobita)

Vision

well-developed

Diet

carnivore (based on Phacopina)

Ontogeny

molting,addition of parts (based on Trilobita)

Ecospace Comments

BODY SIZE: Based on component genera; 4 of 4 genera share 10 to < 100 length, 4 of 4 share 10 to < 100 width.

Taphonomy

low Mg calcite, chitin (based on Trilobita)

Primary Reference (PBDB)

P. A. Jell and J. M. Adrain. 2002. Available generic names for trilobites. Memoirs of the Queensland Museum 48(2):331-553

Wikipedia

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

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Chasmopinae ✝ subfamily	listed (PBDB)		231	466 Ma Middle Ordovician	445 Ma Late/Upper Ordovician
Creatarginae ✝ subfamily	listed (PBDB)
Eomonorachinae ✝ subfamily	listed (PBDB)		368	488 Ma Cambrian	433 Ma Silurian
Monorakinae ✝ subfamily	listed (PBDB)		56	479 Ma Early/Lower Ordovician	450 Ma Late/Upper Ordovician
Pterygometopinae ✝ subfamily	listed (PBDB)		163	479 Ma Early/Lower Ordovician	445 Ma Late/Upper Ordovician
Achatella ✝ genus	accepted (GBIF) listed (PBDB)		34	470 Ma Middle Ordovician	445 Ma Late/Upper Ordovician
Calliops genus	accepted (GBIF)	No associated record in PBDB
Calyptaulax ✝ genus	accepted (GBIF) listed (PBDB)		302	488 Ma Cambrian	445 Ma Late/Upper Ordovician
Chasmops ✝ genus	accepted (GBIF) listed (PBDB)		89	466 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Denella ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Dianops ✝ genus	accepted (GBIF) listed (PBDB)		3	372 Ma Late/Upper Devonian	365 Ma Late/Upper Devonian
Eomonorachus ✝ genus	accepted (GBIF) listed (PBDB)		23	461 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Eophacops ✝ genus	accepted (GBIF) listed (PBDB)		47	461 Ma Middle Ordovician	423 Ma Silurian
Estoniops ✝ genus	accepted (GBIF) listed (PBDB)		29	466 Ma Middle Ordovician	456 Ma Late/Upper Ordovician
Ingriops ✝ genus	accepted (GBIF) listed (PBDB)		20	472 Ma Early/Lower Ordovician	468 Ma Middle Ordovician
Isalaux ✝ genus	accepted (GBIF) listed (PBDB)		7	466 Ma Middle Ordovician	461 Ma Middle Ordovician
Kainops ✝ genus	accepted (GBIF) listed (PBDB)		2	419 Ma Early/Lower Devonian	419 Ma Early/Lower Devonian
Keilapyge ✝ genus	accepted (GBIF) listed (PBDB)
Oculichasmops ✝ genus	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Oelandiops ✝ genus	accepted (GBIF) listed (PBDB)		1	464 Ma Middle Ordovician	464 Ma Middle Ordovician
Podowrinella ✝ genus	accepted (GBIF) listed (PBDB)		10	445 Ma Late/Upper Ordovician	433 Ma Silurian
Pterygometopus ✝ genus	accepted (GBIF) listed (PBDB)		65	479 Ma Early/Lower Ordovician	450 Ma Late/Upper Ordovician
Rollmops ✝ genus	accepted (GBIF) listed (PBDB)		3	458 Ma Late/Upper Ordovician	458 Ma Late/Upper Ordovician
Sceptaspis ✝ genus	accepted (GBIF) listed (PBDB)		22	461 Ma Middle Ordovician	453 Ma Late/Upper Ordovician
Toxochasmops ✝ genus	accepted (GBIF) listed (PBDB)		114	461 Ma Middle Ordovician	445 Ma Late/Upper Ordovician
Tricopelta ✝ genus	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Truncatometopus ✝ genus	accepted (GBIF) listed (PBDB)		1	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Upplandiops ✝ genus	accepted (GBIF) listed (PBDB)		6	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Valdariops ✝ genus	accepted (GBIF) listed (PBDB)		19	456 Ma Late/Upper Ordovician	445 Ma Late/Upper Ordovician
Volkops ✝ genus	accepted (GBIF) listed (PBDB)
Yanhaoia ✝ genus	accepted (GBIF) listed (PBDB)		1	479 Ma Early/Lower Ordovician	479 Ma Early/Lower Ordovician
Yankaoia ✝ genus	doubtful (GBIF) listed (PBDB)
Toernquistia translata species	accepted (GBIF)	No associated record in PBDB

Synonymy List

Year	Name and Author
1905	Pterygometopidae Reed
1997	Pterygometopidae Whittington et al. p. 300
2002	Pterygometopidae Jell and Adrain p. 478
2011	Pterygometopidae Adrain p. 106

References

Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553

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

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

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - 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!

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