CEPHALIC SOMITE

One unit of cephalon bearing distnctive pair of appendages. (Syn. cephalomere) [McLaughlin, 1980].

Unit division of head region, generally recognized as one of five such parts which bear distinctive paired appendages (antennules, antennae, mandibles, maxillules, maxillae) in addition to "precephalic" acron bearing eyes [Moore and McCormick, 1969].

Any one of five segments (somites) of head (not including anteriormost acron). According to appendages borne, one may distinguish an antennular, antennal, mandibular, maxillular, and maxillar somite. Fused to each other and to thoracic somites to form cephalothorax. (Syn. cephalomere) [Stachowitsch, 1992].

(ARTHROPODA: Crustacea)

A unit division of the cephalic region usually recognized as one of five somites that bear distinctive paired appendages; a cephalomere.