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- Title
Two new species of symbiotic copepods from sea pens (Anthozoa: Octocorallia: Pennatulacea) collected in the Johor Straits, Singapore.
- Authors
Daisuke Uyeno
- Abstract
Two new species of symbiotic copepods, Pennatulicola robustclavus new species (Cyclopoida: Rhynchomolgidae) and Enalcyonium kohsiangi, new species (Cyclopoida: Lamippidae), are described from a sea pen, Pteroeides sp. (Octocorallia: Pennatulacea: Pennatulidae), collected from the Johor Strait, Singapore. Pennatulicola robustclavus new species is distinguished from its congeners by the following: the third pedigerous somite overlaps the fourth pedigerous somite in dorsal view in female; legs 1 to 3 with middle endopodal segments bearing pronounced outer process; armature formula of terminal exopodal segment of leg 4 bearing II, I, 5; and the maxilliped of male lacks elevated ridges. Enalcyonium kohsiangi new species, is different from its congeners by the following characters of female: legs 1 and 2 bearing three spines on exopods and the innermost one of which is smallest; absence of any process at rostral area and between caudal rami; and the caudal rami with four similar setae. The finding of Pennatulicola robustclavus new species, from Singaporean waters represents a new record of the genus from the north Pacific Ocean. A key to species of Pennatulicola is provided.
- Subjects
JOHOR Strait; SYMBIOSIS; COPEPODA; CYCLOPOIDA; SEA pens
- Publication
Raffles Bulletin of Zoology, 2015, p143
- ISSN
0217-2445
- Publication type
Article