Ilyocryptusthailandensis sp. nov. (Cladocera: Anomopoda: Ilyocryptidae) from North Thailand
✍ Scribed by Alexey A. Kotov; La-orsri Sanoamuang
- Book ID
- 102281565
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 128 KB
- Volume
- 89
- Category
- Article
- ISSN
- 1434-2944
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✦ Synopsis
Abstract
Previously only a single species of Ilyocryptus Sars, 1862 (Cladocera: Anomopoda: Ilyocryptidae) was reported from Thailand, I. spinifer Herrick, 1882. However, our examination of numerous samples from this country resulted in the discovery of four other species of Ilyocryptus. Ilyocryptus thailandensis sp. nov. is described from two adjacent water bodies in Uttaradit Province, North Thailand. It has at least two characters which distinguish it from any other species of the Ilyocryptus: (1) a row of lateral setae reaching medial anus, and continuing along preanal margin up to base of the postabdomen; (2) a large projection bearing the sensory setae, situated on the coxal region of antenna II. It appears to be a rare species, may be, endemic of the North Thailand.