Raninoida Explained

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.

Below is a cladogram showing Raninoidea's placement within Brachyura:^{[1] [2]}

Notes and References

1. Evolutionary History of True Crabs (Crustacea: Decapoda: Brachyura) and the Origin of Freshwater Crabs . Ling Ming Tsang . Christoph D. Schubart . Shane T. Ahyong . Joelle C.Y. Lai . Eugene Y.C. Au . Tin-Yam Chan . Peter K.L. Ng . Ka Hou Chu . . Oxford University Press . 31 . 5 . 2014 . 1173–1187 . 10.1093/molbev/msu068 . free.
2. Wolfe . Joanna M. . Breinholt . Jesse W. . Crandall . Keith A. . Lemmon . Alan R. . Lemmon . Emily Moriarty . Timm . Laura E. . Siddall . Mark E. . Bracken-Grissom . Heather D. . A phylogenomic framework, evolutionary timeline and genomic resources for comparative studies of decapod crustaceans . Proceedings of the Royal Society B . 24 April 2019 . 286 . 1901 . 10.1098/rspb.2019.0079 . 6501934 . 31014217 . free .