Hymenocaris
Extinct genus of crustaceans
Hymenocaris Temporal range: Cambrian PreꞒ Ꞓ O S D C P T J K Pg N | |
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Life restoration of Hymenocaris vermicauda | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Subphylum: | Crustacea |
Class: | Malacostraca |
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
- ^ 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.
- ^ Mikko Haaramo (March 11, 2008). "†Proschizoramia". Mikko's Phylogeny Archive. Retrieved February 10, 2010.
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Orders of Malacostraca
- Kingdom Animalia
- Phylum: Arthropoda
- Subphylum: Crustacea
- †Archaeostraca
- †Hoplostraca
- Leptostraca
- †Hymenostraca?
- †Aeschronectida
- †Archaeostomatopoda
- Stomatopoda (mantis shrimp)
Syncarida |
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Peracarida |
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Eucarida |
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- The three most speciose orders are marked in bold; obelisks (†) mark extinct orders.
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