Alienigena, Cheng, Yu-Rong, Ho, Ming-Jay & Dai, Chang-Feng, 2016

Cheng, Yu-Rong, Ho, Ming-Jay & Dai, Chang-Feng, 2016, Four anchimolgid copepods (Poecilostomatoida: Anchimolgidae) associated with the scleractinian coral Pavona explanulata (Lamarck, 1816) in Taiwan, Zootaxa 4174 (1), pp. 274-290 : 275

Alienigena gen. nov.

Diagnosis. Body elongate and slender. Segmentation of body indistinct. Cephalosome triangular, with prominent posterolateral expansions in dorsal view. Urosome 4-segmented in female and 5-segmented in male. Caudal ramus with six setae. Antennule 7-segmented. Antenna 4-segmented; third segment with three setae; fourth segment tipped with one well developed terminal claw. Mandible weakly bilobate along inner margin and with large process on convex side. Maxillule with four setae. Maxilla 2-segmented; second segment terminating in distal lash. Maxilliped 3-segmented in female; 4-segmented in male. Legs 1–4 biramous with 3-segmented exopods and 1- (leg 4) or 2-segmented endopods (legs 1–3). Leg 5 reduced, represented by three setae. Leg 6 represented by two setae. No sexual dimorphism in legs 1–4.

Type species. Alienigena triangula gen. et sp. nov. (by original designation).

Etymology. The generic name is derived from the Latin “ Alienigena ”, meaning stranger. It refers to the most remarkable and unique features such as the body shape and armature of legs 1–4 in the type species. Gender feminine.