FAO Species Identification Guide for Fishery Purposes Western

Geryonidae 1133
3a. Anterolateral margin of adults with spiniform teeth (Fig. 2). . . . . . . . . . . . . Chaceon australis
3b. Anterolateral margins of adults with low, lobiform teeth (Fig. 3) . . . . . . . . . . . Chaceon bicolor
spiniform
teeth
4a. Outer surface of chelipedal carpus with spine or projection on outer surface; merus of
legs with distinct dorsal distal spine or tooth (Fig. 4) . . . . . . . . . . . . . . . . Chaceon karubar
4b. Outer surface of chelipedal carpus unarmed; merus of legs unarmed, without distinct
dorsal distal spine or tooth (Fig. 5) . . . . . . . . . . . . . . . . . . . . . . . . Chaceon granulatus
carpus of
cheliped
with spine
List of species of interest to fisheries occurring in the area
The symbol is given when species accounts are included.
Chaceon australis Manning, 1993
Chaceon bicolor Manning and Holthuis, 1989
Chaceon granulatus (Sakai, 1978)
Chaceon karubar Manning, 1993
Chaceon poupini Manning, 1992
Fig. 2 Chaceon australis Fig. 3 Chaceon bicolor
Fig. 4 Chaceon karubar
Fig. 5 Chaceon granulatus
References
Manning, R.B. and L.B. Holthuis. 1981. West African Brachyuran Crabs (Crustacea: Decapoda). Smithson. Contrib.
Zool., 306:1-379.
Manning, R.B. and L.B. Holthuis. 1989. Two new genera and nine new species of geryonid crabs (Crustacea: Decapoda:
Geryonidae). Proc. Biol. Soc. Wash., 102:50-77.
Ng, P.K.L. and R.B. Manning. 1998. A new deepwater crab from the Palau Islands, Micronesia (Decapoda: Brachyura:
Geryonidae). Proc. Biol. Soc. Wash., 111:in press.