Serène & Soh, 1970
Carapace sub-quadrate, greatest width behind exorbital angles; breadth greater than length; antero-lateral margins with 0-2 teeth behind external orbital angle; front moderately to strongly deflexed, with broad median concavity, postfrontal lobes distinct; orbital hiatus open; pterygostomial regions with well developed reticulation of intercrossing lines of setae. Basal segment of antennal peduncle with well developed outer tongue-like lobe. Interantennular septum relatively narrow. Chelipeds subequal, large and robust; carpus with inner angle slightly produced; upper surface of palm usually, but not always, defined anteriorly by swollen longitudinal ridge, without pectinate crests; dorsal surface of dactyl usually bearing spines. Ambulatory legs of medium length, flattened and broad. (Türkay 1995)
Type species: Sesarma smithi H. Milne Edwards, 1853, by original designation.
Gender neuter.
Species treated:
Neosarmatium fourmanoiri Serène, 1973
Neosarmatium indicum (A. Milne Edwards, 1868)
Neosarmatium meinerti (de Man, 1887)
Neosarmatium punctatum (A. Milne Edwards, 1873)
Neosarmatium rotundifrons (A. Milne Edwards, 1869)
Neosarmatium smithi (H. Milne Edwards, 1853)