Martens, K. (1997). Two new crenobiont ostracod genera (Crustacea, Ostracoda, Herpetocypridinae) from Africa and Asia Minor, with the description of a new species from dolomitic springs in South Africa. South African Journal of Science, 93 (11-12), 542-554

217099

Martens, K.

1997

93 (11-12), 542-554

Publication

A new genus in the Herpetocypridinae is established for the species of the Stenocypris subterranea group; eleven species are here assigned to this genus. A new species, Humphcypris greenwoodi n.sp., is described from bisexual populations from dolomitic springs in the North West Province (former western Transvaal) of South Africa and the male of H. subterranea (Hartmann) is described for the first time from a spring in northern Israel. Somalicypris n. gen. is established for the Somalian endemic Acocypris uegitia Masi and differs from Humphcypris n. gen. in aspects of the antennal and hemipenis morphology. Both new genera are closely related to Psychrodromus and it is here postulated that both Psychrodromus and Humphcypris originated from a common, Herpetocypris-like ancestor, around the eastern Mediterranean, in the Mesozoic. The origin of the Somalicypris-branch from Humphcypris in East Africa is much more recent. Most species in this Afro-Eurasian lineage are crenobiont and live at a surface-groundwater interface, such as springs, wells and caves; a few species have been described from epigean lakes. Psychrodromus occurs in Europe and the western part of Asia. Most species of Humphcypris are known from Africa; H. subterranea and H. condarensis occur in Asia and Asia Minor. Somalicypris uegitia is endemic to the Horn of Africa

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