Zoosection

Eubrachyura (Eubrachyuran crabs)

Hemigrapsus nudus. Photo: (c) Dan Hershman, some rights reserved (CC BY)

iNaturalist • Wikipedia

Eubrachyura is a group of crustaceans (ranked as a “section”) comprising the more advanced crabs. It is divided into two subsections, based on the position of the genital openings in the two sexes. In the Heterotremata, the openings are on the legs in the males, but on the sternum in females, while in the Thoracotremata, the openings are on the sternum in both sexes. This contrasts with the situation in other decapods, in which the genital…

— Wikipedia

Subtaxa

Zoosubsection: Heterotremata (Heterotrematan crabs)

Zoosubsection: Thoracotremata (Thoracotrematan crabs)

Where in Humboldt

Discussion

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