Spelaeogriphacea

Spelaeogriphacea is an order of crustaceans that grow to no more than 10 millimetres (0.39 in). Little is known about the ecology of the order.^[1]

Phylum:Arthropoda

Clade:Pancrustacea

Class:Malacostraca

Subclass:Eumalacostraca

Quick facts Scientific classification, Genera ...

Spelaeogriphacea Temporal range: Lower Carboniferous – Recent PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	Pancrustacea
Class:	Malacostraca
Subclass:	Eumalacostraca
Superorder:	Peracarida
Order:	Spelaeogriphacea Gordon, 1957
Genera
Mangkurtu Potiicoara Spelaeogriphus Acadiocarididae †Acadiocaris †Liaoningogriphus †Spinogriphus

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Only four species, all subterranean, have been described. Of the three genera, Potiicoara is known only from a cave in Brazil's Mato Grosso, Spelaeogriphus only from a cave on Table Mountain in South Africa, and the two Mangkurtu species only from individual Australian aquifers.^[1] Fossils of the group are known from the Early Carboniferous of Canada (Acadiocaris) and the Early Cretaceous of Spain (Spinogriphus, Las Hoyas) and China (Liaoningogriphus, Yixian Formation), which are assigned to the family Acadiocarididae.^[2]