Heterotremata
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Heterotremata is a clade of crabs, comprising those crabs in which the genital openings are on the sternum in females, but on the legs in males. It comprises 68 families in 31 superfamilies.
Xantho poressa 2009 G2
Eubrachyura
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Eubrachyura is a group of decapod crustaceans comprising the more derived crabs. It is divided into two subsections, based on the position of the genital openings in the two sexes. In the Heterotremat
Heterotremata
…females, but on the legs in males. It comprises 68 families in 31 superfamilies. Heterotremata is the sister group to Thoracotremata within the clade Eubrachyura, having diverged during the Cretaceous period. Eubrachyura itself is a subset of the larger clade Brachyura, which consists of all "true crabs". A…
Liocarcinus vernalis