Raninoida

Raninoida is a taxonomic section of the crabs, containing a single superfamily, Raninoidea. This group of crabs is unlike most, with the abdomen not being folded under the thorax. It comprises 46 extant species, and nearly 200 species known only from fossils.^[1]

Raninoida
Lyreidus tridentatus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Section:	Raninoida De Haan, 1839 [1]
Superfamily:	Raninoidea De Haan, 1839
Families
Camarocarcinidae † Cenomanocarcinidae † Raninidae

Below is a cladogram showing Raninoidea's placement within Brachyura:^[2][3]

Brachyura	Dromiacea Raninoida Cyclodorippoida Eubrachyura Heterotremata Thoracotremata