REDESCRIPTION OF DIAPHANOSOMA BIRGEI SSP. LACUSTRIS KORINEK, 1981 (CRUSTACEA, CLADOCERA) FROM THE DELTA REGION, EGYPT. | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 2, Volume 3, Issue 3, June 1999, Page 31-41 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejabf.1999.3424 | ||||
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| Author | ||||
| Fadia Heiba | ||||
| Department of Zoology, Faculty of Science, Tanta University. | ||||
| Abstract | ||||
| The subspecies Diaphanosoma birgei lacustirs, was separated from other recorded cladoceran species which were collected from the Delta region, Egypt on certain morphological criteria. This subspecies is distinguished from Diaphanosoma brachyurum and the same subspecies described in populations of America or Europe by Korinek (1981). It is also distinguished from Diaphanosoma birgei recorded in Egypt that was reidentified and described as Diaphanosoma mongolianum. The main taxonomical characters for different species of the genus Diaphanosoma are antennal setae and spines, marginal spinulation of valves and their inner fold, denticles on sides of postabdomen and the shape of male copulatory appendages. | ||||
| Keywords | ||||
| Taxonomy; Description; Cladocera; Diaphanosoma spp; Egypt | ||||
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