Tetrachela

Tetrachela; Temporal range: Late Triassic PreꞒ Ꞓ O S D C P T J K Pg N
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.[1] It is distinguished from most other polychelids, including all the extant Polychelidae, by the retention of the diaeresis of the uropodal exopods.[2]

References

Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109.
Shane T. Ahyong (2009). "The polychelidan lobsters: phylogeny and systematics (Polychelida: Polychelidae)". In Joel W. Martin; Keith A. Crandall; Darryl F. Felder (eds.). Decapod Crustacean Phylogenetics (PDF). Crustacean Issues 18. CRC Press. pp. 369–396. ISBN 978-1-4200-9258-5.

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[Grave-1] Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109.

[2] Shane T. Ahyong (2009). "The polychelidan lobsters: phylogeny and systematics (Polychelida: Polychelidae)". In Joel W. Martin; Keith A. Crandall; Darryl F. Felder (eds.). Decapod Crustacean Phylogenetics (PDF). Crustacean Issues 18. CRC Press. pp. 369–396. ISBN 978-1-4200-9258-5.