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E-ISSN : 2713-8615

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Vol.10 No.3
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Three new species of Myzomolgus (Copepoda, Cyclopoida, Catiniidae) associated with sipunculan worms from a tidal flat in Phuket, Thailand

Journal of Species Research / Journal of Species Research, (E)2713-8615
2021, v.10 no.3, pp.287-300
Jae-Sang Hong
Il-Hoi Kim (Korea Institute of Coastal Ecology, Inc.)
Jae-Sang, H. , & Il-Hoi, K. (2021). Three new species of Myzomolgus (Copepoda, Cyclopoida, Catiniidae) associated with sipunculan worms from a tidal flat in Phuket, Thailand. Journal of Species Research, 10(3), 287-300.
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Abstract

Three new species of Myzomolgus are described as associates of sipunculans from a tidal flat in Phuket, Thailand. As diagnostic features, Myzomolgus leptocercosus n. sp. has elongate caudal rami which are 10.7 times longer than wide, 5 setae and a conical process on the first antennular segment, an armature formula 1, 0, 1+sucker, and 6 of antenna, and an inner coxal seta on all swimming legs. Myzomolgus spatulatus n. sp. lacks a rostrum, but bears 4 setae and a spatulate process on the first antennular segment, an armature formula 0, 0, 2+sucker, and 6 of the antenna, the inner coxal seta on legs 1-3, and 5 armture elements on the third endopodal segment of legs 1-3. Myzomolgus cucullatus n. sp. has short caudal rami which are 1.60 times longer than wide, a broad, hood-like tergite of fouth pedigerous somite, 4 setae only on the first antennular segment, the armature formula 0. 0. 2+sucker, and 6 of the antenna, and no iiner coxal seta on the swimming legs.

keywords
Andaman Sea, copepod associates, intertidal, new species, sipunculan hosts

Reference

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