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Vol. 47 No. 3, 2008
Apocyclops ramkhamhaengi
sp. nov. (Copepoda: Cyclopoida) in a Culture Originating from
Brackish Waters of Chang Island, Trat Province, Thailand
Supawadee
Chullasorn1,*, Pawana Kangtia1, Khwanruan Pinkaew2, and Frank D.
Ferrari3
1Department
of Biology, Faculty of Science, Ramkhamhaeng University, Bangkapi,
Bangkok 10240, Thailand
2Institute of Marine Science, Burapha University,
Bangsaen, Chonburi Province 20131, Thailand
3IZ/MSC; MRC-534, National Museum of Natural History,
Smithsonian Institution, 4210 Silver Hill Rd., Suitland, MD 20746, USA
Supawadee
Chullasorn, Pawana Kangtia, Khwanruan Pinkaew, and Frank D. Ferrari
(2008) A new brackish-water planktonic copepod belonging to the
family Cyclopidae of the Copepoda, Apocyclops
ramkhamhaengi sp. nov., is described from a culture originating
off Chang I., Trat Province, Thailand. The new species is the
first record of this genus from Thailand and the 4th species of the
genus from Asia. Antenna 2 with an endopod of 2 segments
separates A. ramkhamhaengi
sp. nov. from A. dengizicus
(Lepeshkin). A posterolateral, rounded projection of pediger 4,
and a simple line of spinules ventrally on pediger 5 separates A. ramkhamhaengi sp. nov. from A. royi (Lindberg). A slight
posterolateral projection on pediger 3 and a series of ridges dorsally
on the basis of maxilla 2 are unique for A. ramkhamhaengi sp. nov., and
separate it from A. borneoensis
Lindberg.
Key words: Apocyclops
ramkhamhaengi, New species, Thailand.
*Correspondence: E-mail:csupawadee@yahoo.com
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