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Cephalocarida

Description

The Cephalocarida are a class in the subphylum Crustacea comprising only 12 benthic species. They were discovered in 1955 by Howard L. Sanders, and are commonly referred to as horseshoe shrimps. They have been grouped together with the Remipedia in the Xenocarida. Although a second family, Lightiellidae, is sometimes used, all cephalocaridans are generally considered to belong in just one family: Hutchinsoniellidae. Though no fossil record of cephalocaridans has been found, most specialists believe them to be primitive among crustaceans.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)235https://www.gbif.org/species/235
PaleoBioDB ID (PBDB)133211https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=133211
Rankclass
Taxonomy (GBIF,PBDB)Life : Animalia : Arthropoda : Cephalocarida
Taxonomic Status (GBIF)accepted
Classification
RankNameAuthor
kingdomAnimaliaLinnaeus 1758
Bilateria
EubilateriaAx 1987
ProtostomiaGrobben 1908
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
Pancrustacea
subphylumCrustaceaBrünnich 1772
classCephalocaridaSanders 1955
Unranked entries are considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors may disagree about how to rank taxa.
Scientific NameCephalocarida
Status (PBDB)extant
Taxon Size (PBDB)3
Extant Size (PBDB)1 (33%)
First Recorded Appearance501 - 485 Ma
Cambrian
Motilityslow-moving
Visionblind
Dietdetritivore
Ecospace CommentsECOSPACE CODE: 322.
Primary Reference (PBDB)J. W. Martin and G. E. Davis. 2001. An Updated Classification of the Recent Crustacea. Natural History Museum of Los Angeles County Science Series (39):1-124
Common Name(s) Horseshoe Shrimp
Wikipediahttps://en.wikipedia.org/wiki/Cephalocarida

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Brachypoda
order
acceptedNo associated record in PBDB

Unlinked PBDB sub-entries

NameStatusFossil OccurrencesExtantOldestYoungest
Brachypoda
order
Not linked to GBIF1extinct501 Ma
Cambrian
485 Ma
Cambrian

Synonymy List

YearName and Author
1955Cephalocarida Sanders
2001Cephalocarida Martin and Davis p. 58

References

Martin J. W., Davis G. E. (2001) An Updated Classification of the Recent Crustacea, Natural History Museum of Los Angeles County Science Series 39, 1-124
Parker, S.P. (ed). (1982). Synopsis and Classification of Living Organisms. McGraw-Hill, New York. 2 volumes. - via The Interim Register of Marine and Nonmarine Genera
Ruggiero, M. A.; Gordon, D. P.; Orrell, T. M.; Bailly, N.; Bourgoin, T.; Brusca, R. C.; Cavalier-Smith, T.; Guiry, M. D.; Kirk, P. M. (2015). A higher level classification of all living organisms. PLOS ONE. 10(4): e0119248. - via The Interim Register of Marine and Nonmarine Genera
Martin, Joel W., and George E. Davis, 2001: An Updated Classification of the Recent Crustacea. Natural History Museum of Los Angeles, Science Series 39. 124. - via Integrated Taxonomic Information System (ITIS)
Bowman, Thomas E., and Lawrence G. Abele / Lawrence G. Abele, ed. / Dorothy E. Bliss, ed.-in-chief, 1982: Chapter 1: Classification of the Recent Crustacea. The Biology of Crustacea, vol. 1: Systematics, the Fossil Record, and Biogeography. 1-27. - via Integrated Taxonomic Information System (ITIS)
Brusca, R.C.; Brusca, G.J. (1990). Invertebrates. Sinauer Associates: Sunderland, MA (USA). ISBN 0-87893-098-1. 922 pp. - via World Register of Marine Species
Sanders, H.L. (1955). The Cephalocarida, a new subclass of Crustacea from Long Island Sound. Proceedings of the National Academy of Science 41: 61-66. - via World Register of Marine Species
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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