Carcinidae is a family of crabs belonging to the order Decapoda. It has four subfamilies, including Pirimelinae which was previously treated as a family. Taxonomy The family as currently circumsribed includes four subfamilies and eight genera, six with living members and two known only through fossils: Ramacarcinus Subfamily Carcininae Carcinus Miopipus Subfamily Parathranitiinae Parathranites Subfamily Pirimelinae Pirimela Sirpus Subfamily Platyonichinae Portumnus Xaiva References Decapods Decapod families