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Diacalymene

Description

Diacalymene is a genus of trilobite from the order Phacopida, suborder Calymenina. It includes the species D. ouzregui, D. clavicula, D. diademata and D. gabrielsi. It lived in the Ordovician and Silurian periods.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4633191https://www.gbif.org/species/4633191
PaleoBioDB ID (PBDB)21537https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=21537
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Arthropoda : Trilobita : Phacopida : Calymenidae : Diacalymene
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
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyCalymenidaeMilne-Edwards 1840
subfamilyCalymeninaeMilne Edwards 1840
genusDiacalymeneKegel 1928
Scientific NameDiacalymene Kegel, 1928
Name Published InJahrb. Preuss. Geol. LdAnst., 48
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Diacalymenegenusbelongs to Calymenidaestated without evidenceShirley, 1936
Diacalymenegenusbelongs to Calymeninaestated with evidenceAdrain and Edgecombe, 1997
Diacalymenegenusbelongs to Phacopidasecond handSepkoski, 2002
Status (PBDB)extinct
Taxon Size (PBDB)4
First Recorded Appearance450 - 446 Ma
Late/Upper Ordovician
Last Recorded Appearance426 - 419 Ma
Paleozoic
Environmentmarine (based on Trilobita)
Motilityactively mobile (based on Calymenidae)
Visionwell-developed (based on Calymenidae)
Dietcarnivore (based on Calymenidae)
Ontogenymolting,addition of parts (based on Trilobita)
Ecospace CommentsBODY SIZE: Data from Harrington et al. (1959).
Taphonomylow 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
Wikipediahttps://en.wikipedia.org/wiki/Diacalymene

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Diacalymene altirostris
species
accepted (GBIF)No associated record in PBDB
Diacalymene gabrielsi
species
accepted (GBIF)
listed (PBDB)
8433 Ma
Silurian
426 Ma
Silurian
Diacalymene lesperancei
species
accepted (GBIF)
listed (PBDB)
4439 Ma
Silurian
439 Ma
Silurian
Diacalymene schucherti
species
accepted (GBIF)
listed (PBDB)
23441 Ma
Silurian
439 Ma
Silurian

Synonymy List

YearName and Author
1927Diacalymene Kegel
1936Diacalymene Shirley p. 396
1997Diacalymene Adrain and Edgecombe p. 657
1998Dekalymene Curtis and Lane
2002Dekalymene Jell and Adrain p. 364
2002Diacalymene Sepkoski, Jr.

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Shirley J. (1936) Some British trilobites of the family Calymenidae, Quarterly Journal of the Geological Society of London 92, 384-421
Adrain J. M., Edgecombe G. D. (1997) Silurian (Wenlock) Calymenid trilobites from the Cape Phillips Formation, central Canadian Arctic, Journal of Paleontology 71 4, 657-682
Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553
Jahrb. Preuss. Geol. LdAnst., 48 - via The Interim Register of Marine and Nonmarine Genera
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
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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