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Brachymetopidae ✝

07898190017058091578906.jpg
Cordania falcata

Murray County, Oklahoma, USA
00149930017058091605671.jpg
Cordania falcata

Murray County, Oklahoma, USA
01392900017057805997293.jpg
Cordania sp.

Coal County, Oklahoma, USA
07898190017058091578906.jpg
Cordania falcata

Murray County, Oklahoma, USA
00149930017058091605671.jpg
Cordania falcata

Murray County, Oklahoma, USA
01392900017057805997293.jpg
Cordania sp.

Coal County, Oklahoma, USA
07898190017058091578906.jpg
Cordania falcata

Murray County, Oklahoma, USA
00149930017058091605671.jpg
Cordania falcata

Murray County, Oklahoma, USA
Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)3267204https://www.gbif.org/species/3267204
PaleoBioDB ID (PBDB)56732https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=56732
Rankfamily
Taxonomy (GBIF)Life : Animalia : Arthropoda : Trilobita : Proetida : Brachymetopidae
Taxonomy (PBDB)Life : Animalia : Arthropoda : Trilobita : Aulacopleurida : Brachymetopidae
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAulacopleuridaAdrain 2011
familyBrachymetopidaePrantl and Pribyl 1951
Scientific NameBrachymetopidae
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Brachymetopidaefamilybelongs to Aulacopleuraceastated with evidenceOwens and Hammann, 1990
Brachymetopidaefamilybelongs to Aulacopleuroideastated with evidenceAdrain and Kloc, 1997
Brachymetopidaefamilybelongs to Proetidastated with evidenceBrezinski, 1998
Brachymetopidaefamilybelongs to Aulacopleuroideastated with evidenceOwens, 2003
Brachymetopidaefamilybelongs to Aulacopleuridastated with evidenceAdrain, 2011
Status (PBDB)extinct
Taxon Size (PBDB)56
First Recorded Appearance472 - 458 Ma
Ordovician
Last Recorded Appearance260 - 254 Ma
Permian
Environmentmarine (based on Trilobita)
Motilityfast-moving (based on Trilobita)
Visionwell-developed
Dietcarnivore (based on Trilobita)
Ontogenymolting,addition of parts (based on Trilobita)
Taphonomylow Mg calcite, chitin (based on Trilobita)
Primary Reference (PBDB)D. K. Brezinski. 1998. Trilobites from the Lower Mississippian starved basin facies of the southern United States. Journal of Paleontology 72(4):718-725

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Brachymetopinae ✝
subfamily		listed (PBDB)77472 Ma
Early/Lower Ordovician		260 Ma
Permian
Scharyiinae ✝
subfamily		listed (PBDB)82461 Ma
Middle Ordovician		393 Ma
Early/Lower Devonian
Australosutura ✝
genus		accepted (GBIF)
listed (PBDB)		23359 Ma
Late/Upper Devonian		326 Ma
Carboniferous
Brachymetopus ✝
genus		accepted (GBIF)
listed (PBDB)		59372 Ma
Late/Upper Devonian		260 Ma
Permian
Cheiropyge ✝
genus		accepted (GBIF)
listed (PBDB)		4296 Ma
Permian		260 Ma
Permian
Cordania ✝
genus		accepted (GBIF)
listed (PBDB)		4423 Ma
Silurian		403 Ma
Early/Lower Devonian
Cyamella ✝
genus		accepted (GBIF)
listed (PBDB)		3461 Ma
Middle Ordovician		453 Ma
Late/Upper Ordovician
Hahnus ✝
genus		accepted (GBIF)
listed (PBDB)
Latecephalus ✝
genus		doubtful (GBIF)
listed (PBDB)
Mystrocephala ✝
genus		doubtful (GBIF)
listed (PBDB)		5408 Ma
Early/Lower Devonian		388 Ma
Middle Devonian
Narinia ✝
genus		doubtful (GBIF)
listed (PBDB)
Oenonella ✝
genus		accepted (GBIF)
listed (PBDB)		1472 Ma
Early/Lower Ordovician		472 Ma
Early/Lower Ordovician
Panarchaeogonus ✝
genus		accepted (GBIF)
listed (PBDB)		21461 Ma
Middle Ordovician		445 Ma
Late/Upper Ordovician
Radnoria ✝
genus		accepted (GBIF)
listed (PBDB)		12461 Ma
Middle Ordovician		431 Ma
Silurian
Scharyia ✝
genus		accepted (GBIF)
listed (PBDB)		58461 Ma
Middle Ordovician		393 Ma
Early/Lower Devonian

Synonymy List

YearName and Author
1951Brachymetopidae Prantl and Pribyl pp. 353-512
1990Brachymetopidae Owens and Hammann
1997Brachymetopidae Adrain and Kloc p. 707
1998Brachymetopidae Brezinski
2003Brachymetopidae Owens p. 379
2011Brachymetopidae Adrain p. 106

References

Brezinski D. K. (1998) Trilobites from the Lower Mississippian starved basin facies of the southern United States, Journal of Paleontology 72 4, 718-725
Owens R. M., Hammann W. (1990) Proetide triolobites from the Cystoid Limestone (Ashgill) of NW Spain, and the suprageneric classification of related forms, Palaeontologische Zeitschrift 64 3/4, 221-244
Adrain J. M., Kloc G. J. (1997) Lower Devonian aulacopleuroidean trilobites from Oklahoma, Journal of Paleontology 71 4, 703-712
Owens R. M. (2003) The stratigraphical distribution and extinctions of Permian trilobites, Special Papers in Palaeontology 70, 377-397
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
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!
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