From Wikipedia, the free encyclopedia

Hymenocaris
Temporal range: Cambrian
Life restoration of Hymenocaris vermicauda
Scientific classification
Kingdom:
Phylum:
Subphylum:
Class:
Order:
Hymenostraca

Rolfe, 1969
Family:
Hymenocarididae

Haeckel, 1896
Genus:
Hymenocaris

Salter, 1853
Species:
H. vermicauda
Binomial name
Hymenocaris vermicauda
Salter, 1853

Hymenocaris is a genus of Cambrian crustaceans.

Taxonomy

Some species originally assigned to Hymenocaris were later transferred to Canadaspis, such as Canadaspis perfecta (Hymenocaris perfecta), leaving only Hymenocaris vermicauda. [1] Differences between Hymenocaris and Canadaspis have been used to justify erecting a separate family, Hymenocarididae and order, Hymenostraca for Hymenocaris, [1] although it is also sometimes placed in the family Canadaspididae and the order Canadaspidida. [2]

References

  1. ^ a b Derek E. G. Briggs (1978). "The morphology, mode of life, and affinities of Canadaspis perfecta (Crustacea: Phyllocarida), Middle Cambrian, Burgess Shale, British Columbia". Philosophical Transactions of the Royal Society B: Biological Sciences. 281 (984): 439–487. Bibcode: 1978RSPTB.281..439B. doi: 10.1098/rstb.1978.0005. JSTOR  2418038.
  2. ^ Mikko Haaramo (March 11, 2008). "†Proschizoramia". Mikko's Phylogeny Archive. Retrieved February 10, 2010.