- Turkish Journal of Zoology
- Vol: 35 Issue: 5
- Cerceis insolita n. sp., a new species of sphaeromatid isopod crustacean from the coastal waters of ...
Cerceis insolita n. sp., a new species of sphaeromatid isopod crustacean from the coastal waters of Pakistan
Authors : Farzana Yousuf
Pages : 663-670
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Publication Date : 9999-12-31
Article Type : Makaleler
Abstract :Cerceis insolita n. sp. (Isopoda, Sphaeromatidae), from the rocky intertidal region of Manora Island, Karachi coast, Pakistan, is described. The species can be identified on the basis of the following characters: antenna 1, pleon, pleotelson, coxal plates, pleopods 4 and 5, and notably by the unusual female pereopod 1 merus being short, transversely expanded, with the distolateral angle laterally produced into circular structure; carpus short, transversely expanded, propodus stout, curved laterally, with convex medial and concave lateral margins, dactylus subtriangular, well-developed unguis and accessory unguis. Right pereopod 7 long, slender, merus distomedial angle produced into medially directed lobe. Left pereopod 7 merus distomedial angle produced posteriorly. The species is described and illustrated.Keywords : Key words: Isopoda, Sphaeromatidae, intertidal rocky habitat, Indian Ocean, Pakistani coast, new species