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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Xystocrania ✝

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4633107https://www.gbif.org/species/4633107
PaleoBioDB ID (PBDB)21820https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=21820
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : Xystocrania
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
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
genusXystocraniaWhittington 1965
Scientific NameXystocrania Whittington, 1965
Name Published InBull. Mus. comp. Zool. Harv. 132
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Xystocraniagenusbelongs to Cheiruridaestated without evidenceJell and Adrain, 2002
Xystocraniagenusbelongs to Phacopidasecond handSepkoski, 2002
Status (PBDB)extinct
Taxon Size (PBDB)4
First Recorded Appearance472 - 468 Ma
Ordovician
Last Recorded Appearance466 - 458 Ma
Ordovician
Environmentmarine (based on Trilobita)
Motilityfast-moving (based on Trilobita)
Dietcarnivore (based on Cheiruridae)
Ontogenymolting,addition of parts (based on Trilobita)
Taphonomylow Mg calcite, chitin (based on Trilobita)
Primary Reference (PBDB)H. B. Whittington. 1965. Trilobites of the Ordovician Table Head Formation, western Newfoundland. Bulletin of the Museum of Comparative Zoology 132(4):275-441

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Xystocrania glaucus ✝
species		accepted (GBIF)
listed (PBDB)		1472 Ma
Early/Lower Ordovician		472 Ma
Early/Lower Ordovician
Xystocrania perforator ✝
species		accepted (GBIF)
listed (PBDB)		10472 Ma
Early/Lower Ordovician		470 Ma
Middle Ordovician
Xystocrania pyriformis ✝
species		accepted (GBIF)
listed (PBDB)		2472 Ma
Early/Lower Ordovician		472 Ma
Early/Lower Ordovician

Synonymy List

YearName and Author
1965Xystocrania Whittington p. 412
1975Xialiangshania Chen in Li et al
2002Xystocrania Jell and Adrain p. 461
2002Xystocrania Sepkoski, Jr.

References

Whittington H. B. (1965) Trilobites of the Ordovician Table Head Formation, western Newfoundland, Bulletin of the Museum of Comparative Zoology 132 4, 275-441
Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553
Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
GBIF/Yale University Peabody Museum: Peabody Invertebrate Paleontology DiGIR Service - 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
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
Bull. Mus. comp. Zool. Harv. 132 - 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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