''Actinotocarcinus'' is an extinct genus of

Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...

crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the ...

, and is the only genus in the subfamily Actinotocarcininae of the family

Epialtidae Epialtidae is a family of crabs, containing the subfamilies: * Epialtinae MacLeay, 1838 * Pisinae Pisinae is a subfamily of crabs in the family Epialtidae, comprising the following genera: * '' Acanthophrys'' A. Milne-Edwards, 1865 * '' Ana ...

, though was originally classified in the family

Majidae Majidae is a family of crabs, comprising around 200 marine species inside 52 genera, with a carapace that is longer than it is broad, and which forms a point at the front. The legs can be very long in some species, leading to the name "spider c ...

. ''Actinotocarcinus'' comprises two species, ''A. chidgeyi,'' and ''A. maclauchlani'', both from Miocene-aged marine strata of

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

References

Majoidea Decapod genera Prehistoric crustacean genera Miocene crustaceans Prehistoric arthropods of Oceania {{crab-stub