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Dimeropyge ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4637525	https://www.gbif.org/species/4637525
PaleoBioDB ID (PBDB)	21153	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=21153

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Trilobita : Proetida : Dimeropygidae : Dimeropyge

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	Proetida	Fortey and Owens 1975
family	Dimeropygidae	Hupe 1953
genus	Dimeropyge	Öpik 1937

Scientific Name

Dimeropyge Öpik, 1937

Name Published In

Publ. Geol. Inst. Univ. Tartu, 52

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Dimeropyge	genus	belongs to Dimeropygidae	stated without evidence	Jell and Adrain, 2002
Dimeropyge	genus	belongs to Proetida	second hand	Sepkoski, 2002
Dimeropyge	genus	belongs to Dimeropygidae	stated with evidence	Adrain and Westrop, 2007

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

472 - 468 Ma
Ordovician

Last Recorded Appearance

461 - 450 Ma
Ordovician

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Trilobita)

Vision

well-developed (based on Dimeropygidae)

Diet

deposit feeder (based on Proetida)

Ontogeny

molting,addition of parts (based on Trilobita)

Ecospace Comments

BODY SIZE: Data from Harrington et al. (1959).

Taphonomy

major spines

Primary Reference (PBDB)

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

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Dimeropyge clintonensis ✝ species	accepted (GBIF) listed (PBDB)		7	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Dimeropyge ericina species	accepted (GBIF)	No associated record in PBDB
Dimeropyge minuta species	accepted (GBIF)	No associated record in PBDB
Dimeropyge speyeri ✝ species	accepted (GBIF) listed (PBDB)		7	468 Ma Middle Ordovician	468 Ma Middle Ordovician
Dimeropyge spinifera ✝ species	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Dimeropyge tumidus ✝ species	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Dimeropyge virginiensis ✝ species	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	461 Ma Middle Ordovician

Synonymy List

Year	Name and Author
1913	Haploconus Raymond
1937	Dimeropyge Opik
2002	Dimeropyge Jell and Adrain p. 367
2002	Dimeropyge Sepkoski, Jr.
2007	Dimeropyge Adrain and Westrop p. 346

References

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

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

Adrain J. M., Westrop S. R. (2007) Bearriverops, a new Lower Ordovician trilobite genus from the Great Basin, western USA, and classification of the family Dimeropygidae, Canadian Journal of Earth Sciences 44, 337-366

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera

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

Publ. Geol. Inst. Univ. Tartu, 52 - 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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