Eumorphocorystes
Encyclopedia
Eumorphocorystes is a genus of crab
belonging to the Raninidae
subfamily Notopodinae. The genus lived in the late Cretaceous
(Maastrichtian) of Belgium. Rathbun referred specimens from the Pacific Northwest Oligocene
to this genus.
Crab
True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" , or where the reduced abdomen is entirely hidden under the thorax...
belonging to the Raninidae
Raninidae
Raninidae is a family of unusual crabs named for their frog-like appearance, taken by most scientists to be quite primitive. These animals closely resemble the mole crabs, due to parallel evolution or convergent evolution. In both groups, the claws are modified into tools for digging, and the body...
subfamily Notopodinae. The genus lived in the late Cretaceous
Cretaceous
The Cretaceous , derived from the Latin "creta" , usually abbreviated K for its German translation Kreide , is a geologic period and system from circa to million years ago. In the geologic timescale, the Cretaceous follows the Jurassic period and is followed by the Paleogene period of the...
(Maastrichtian) of Belgium. Rathbun referred specimens from the Pacific Northwest Oligocene
Oligocene
The Oligocene is a geologic epoch of the Paleogene Period and extends from about 34 million to 23 million years before the present . As with other older geologic periods, the rock beds that define the period are well identified but the exact dates of the start and end of the period are slightly...
to this genus.