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Tetrachelidae

Tetrachela
Temporal range: Late Triassic
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Polychelida
Family: Tetrachelidae
Beurlen, 1930
Genus: Tetrachela
Reuss, 1858
Species: T. raiblana
Binomial name
Tetrachela raiblana
(Bronn, 1858)

Tetrachela raiblana is an extinct species of polychelid crustacean from the Late Triassic. It is the only species in the family Tetrachelidae. It is distinguished from most other polychelids, including all the extant Polychelidae, by the retention of the diaeresis of the uropodal exopods.



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