Abstract
A new genus and new species of eumedonine crab, Cebudonus poppeorum, is described from the central Philippines. Superficially similar to Eumedonus H. Milne Edwards, 1834, Gonatonotus White, 1847, Zebrida White, 1847, Zebridonus Chia, Ng & Castro, 1995, and Tiaramedon Chia & Ng, 1998, Cebudonus n. gen. is easily characterised by possessing two long pseudorostral spines, a gently convex and unarmed dorsal carapace surface, elongated chelipeds that have the chela and merus unarmed and not cristate, elongated and slender ambulatory legs in which the merus is not cristate, a relatively narrow anterior male thoracic sternum, and a proportionately broader male abdomen. The general structure and colour pattern (with longitudinal stripes) suggests Cebudonus n. gen. is an obligate symbiont with echinoids.
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