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Cyclus sp.
genus Cyclus de Koninck, 1841
Extinct species: late Carboniferous (311.5 - 307.0 Ma)
Habitat: Marine
Classification
kingdom Animalia, phylum Arthropoda,
subphylum Crustacea
, class Malacostraca,
order Decapoda
,
infraorder Brachyura
, family Cyclidae
Distribution
Permian:
Hirosima