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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Family: Sesarmidae
Genus: Sesarma
Say, 1817

18 + 1 cryptic species; see text

Sesarma is a genus of terrestrial crabs endemic to the American continent.[1] [2]

Many species within this genus live in mangroves. They have evolved to be fully terrestrial, which means they do not have to return to the sea even to spawn. Several species initially placed here are now placed in other genera of the Sesarmidae, and in some cases even elsewhere in the Grapsoidea.

Sesarma contains the following extant species:[3]


  1. ^ Lawrence G. Abele (1992). "A review of the grapsid crab genus Sesarma (Crustacea: Decapoda: Grapsidae) in America with the description of a new genus". Smithsonian Contributions to Zoology. 527: 1–60. doi:10.5479/si.00810282.527.
  2. ^ R. Serène & C.L. Soh (1970). "New Indo-Pacific genera allied to Sesarma Say 1817 (Brachyura, Decapoda, Crustacea)" (PDF). Treubia. 27: 387–416.
  3. ^ Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286.
  4. ^ Christoph D. Schubart & Tobias Santl (2014). "Differentiation within a river system: Ecology or geography driven? Evolutionary significant units and new species in Jamaican freshwater crabs" (PDF). Crustaceana Monographs. 19: 173–191. doi:10.1163/9789004207615_011.
  5. ^ Todd L. Zimmerman & Darryl L. Felder (1991). "Reproductive ecology of an intertidal brachyuran crab, Sesarma sp. (nr. reticulatum), from the Gulf of Mexico" (PDF). The Biological Bulletin. 181: 387–401. JSTOR 1542359.