Two New Species of Echiuricopus n. gen. (Copepoda, Poecilostomatoida) Associated with Echiurans from the Yellow Sea

• Main Author: Il-Hoi Kim
• Format: Article
• Language: English
• Published: Korean Society of Systematic Zoology 2016-01-01
• Series: Animal Systematics, Evolution and Diversity
• Subjects: Echiuricopus n. gen.; Copepoda; external association; Echiura; new species
• Online Access: http://e-ased.org/Upload/files/e-ased.org/02-Two.pdf

Two new species of poecilostomatoid copepods associated with echiurans are described from an intertidal mud flat in the Yellow Sea. A new genus Echiuricopus is created to accommodate two new species, E. aprilis and E. tenuipes. Major differences between the two new species are displayed in body length, length of caudal ramus seta I, length/ width ratio of leg 5 exopod, and armature of the first antennular segment. Echiuricopus n. gen. is closely related to the genus Goidelia Embleton, 1901, but is distinguished from the latter chiefly by having seven caudal setae, a clawlike process on the first antennular segment, one claw-like process on the maxillary syncoxa, the absence of an inner coxal seta on legs 1-4, different armatures on legs 1-4, and an elongate leg 5 exopod.