Genus Antatelson J.L. Barnard, 1972

Type species: Thaumatelson walkeri Chilton, 1912

There are currently six included species: A. antennatum Bellan-Santini & Ledoyer, 1974; A. cultricauda (K.H. Barnard, 1932), A. cuneatum Krapp- Schickel, 2006; A. rostratum Bellan- Santini & Ledoyer, 1974; A. tuberculatum Andres, 1989; A. walkeri (Chilton, 1912) .

Diagnostic characters

A1 with nasiform process on art. 1. Flag. acc. minute to absent. Palp of Md usually with 3 arts., third art. sometimes reduced. Mx1 palp with 2 arts. Mxp IP well separated. Gn1, 2 subchelate, scarcely different in size and shape. Gn1 palm scarcely oblique, palm shorter or equal posterior margin. Gn2 propodus subrectangular, longer than wide, palmar corner nearly rectangular. P5-7 basis rectolinear. Peraeonite 4 much wider than segments 3 or 5 (Barnard & Karaman 1991: 688 state that peraeonites 4-6 are coalesced, but this is never the case). Body dorsally smooth or with protuberances. Telson huge, vertically inserted, laterally compressed, fleshy.