Ceratiocaris

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Ceratiocaris
Temporal range: Darriwilian[1]-Silurian
FMIB 46280 Ceratiocaris papilio, one of the fossil Phyllocarda.jpeg
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Crustacea
Class:
Malacostraca
Subclass:
Phyllocarida
Order:
Suborder:
Family:
Genus:
Ceratiocaris

, 1849
Type species

M'Coy, 1849

Ceratiocaris is a genus of paleozoic phyllocarid crustaceans whose fossils are found in marine strata from the Upper Ordovician until the genus' extinction during the Silurian. They are typified by eight short thoracic segments, seven longer abdominal somites and an elongated pretelson somite. Their carapace is slightly oval shaped; they have many ridges parallel to the ventral margin and possess a horn at the anterior end.[2] They are well known from the Silurian Eramosa formation of Ontario, Canada.[3][4]

The following species are included:

  • Ceratiocaris bohemica Barrande, 1872
  • Ceratiocaris harpago Poschmann, Bergmann & Kühl, 2018
  • Ceratiocaris macroura Collette & Rudkin, 2010
  • Ceratiocaris monroei Salter in Murchison, 1859
  • Ceratiocaris murchisoni Jones & Woodward, 1888
  • Ceratiocaris papilio Salter in Murchison, 1859
  • Ceratiocaris pusilla Matthew, 1889
  • Ceratiocaris solenoides M'Coy, 1849
  • Ceratiocaris winneshiekensis Briggs et al., 2016[1]

References[]

  1. ^ a b Derek E.G. Briggs; Huaibao P. Liu; Robert M. McKay; Brian J. Witzke (2016). "Bivalved arthropods from the Middle Ordovician Winneshiek Lagerstätte, Iowa, USA". Journal of Paleontology. 89 (6): 991–1006. doi:10.1017/jpa.2015.76.
  2. ^ Joseph H. Collette; David M. Rudkin (2010). "Phyllocarid crustaceans from the Silurian Eramosa Lagerstätte (Ontario, Canada): taxonomy and functional morphology". Journal of Paleontology. 84 (1): 118–127. doi:10.1666/08-174.1.
  3. ^ J. H. Collette; J. W. Hagadorn (2010). "Early evolution of phyllocarid arthropods: phylogeny and systematics of Cambrian-Devonian archaeostracans". Journal of Paleontology. 84 (5): 795–820. doi:10.1666/09-092.1.
  4. ^ M. Copeland; T. E. Bolton (1985). Fossils of Ontario part 3: the eurypterids and phyllocarids. Life Sciences Miscellaneous Publications. Vol. Volume 48. Royal Ontario Museum. ISBN 0-88854-314-X. {{cite book}}: |volume= has extra text (help)


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