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Hymenocaris Temporal range:
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Life restoration of Hymenocaris vermicauda | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Subphylum: | |
Class: | |
Order: | †Hymenostraca Rolfe, 1969
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Family: | †Hymenocarididae Haeckel, 1896
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Genus: | †Hymenocaris Salter, 1853
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Species: | †H. vermicauda
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Binomial name | |
Hymenocaris vermicauda Salter, 1853
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Hymenocaris is a genus of Cambrian crustaceans.
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]