Ferrantia, Volume 23: Ostracoda

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Language: English

Ostracoda contains the following three papers:

Claude Meisch, Roland Fuhrmann & Karel Wouters: llyocypris getica Masi, 1906 (Crustacea, Ostracoda): Taxonomy, Ecology, Life History, Distribution, Fossil Occurrence and First Record for Germany
The finding of living and fossil populations of the freshwater ostracod llyocypris setica Masi 1906 is reported for the first time from two sites in Germany, and from one site on the isle of Crete, Greece. A list of ostracod species, coexisting with I. setica is added. A redescription, a differential diagnosis, and a review of the ecology, distribution and fossil occurrence of the species are given. I.  getica is most probably stenothermal for a temperature range of 10-15°C. The main distribution area of Recent populations extends from the circum-mediterranean regions to eastern Europe and eastern Asia. The rare occurrence of the species in western and central Europe is best explained by occasional passive transport, probably by migratory birds, into those regions.

Gabriele Beyer & Claude Meisch: Freshwater Ostracoda (Crustacea) collected on La Gomera (Canary Islands), with a redescription of Cypridopsis obesa (Brady & Robertson, 1869)
During the course of detailed investigations of the freshwater fauna of the island La Gomera in 1991, 1992 and 1994 nine species of freshwater Ostracoda were found, only four of which were previously known from La Gomera. Two of the species, Herperocypris brevicaudata Kaufmann, 1900 and Cypridopsis ohesa Brady & Robertson, 1869, are new to the Macaronesian region. Two other species, Cypridopsis lusatica Schafer, 1943 and Potamocypris villosa (Jurine, 1820), are reported from the Canary Islands for the first time, although they occur in other parts of Macaronesia. Scanning electron micrographs of the carapace and valves, and a differential diagnosis of Cypridopsis·ohesa are provided. Representative physicochemical data of several of the sampling sites are given. Maps providing a preliminary overview of the distribution of the species on La Gomera are added. Furthermore, Cypridopsis lusarica Schafer, 1943 is repolled from one locality in Tenerife and Sarscypridopsis lanzarotensis from Fuerteventura.

Trajan Petkovski & Claude Meisch: Species of the genus Stenocypris Sars, 1889 from the rice-fields of Macedonia
The authors provide descriptions of two members of the genus Stenocypris (Ostracoda, Podocopida, Cypridoidea, Cyprididae, Herpetocypridinae) occurring in the rice-fields of Macedonia (former Yugoslavia): Stenocypris bolieki Ferguson, 1962, and Stenocypris macedonica nov. spec. The taxonomy of close relatives of Stenocypris major (Baird, 1859), the type species of the genus, is discussed. Three species groups are erected and characterized: (a) the major-group, with Stenocypris major (Baird, 1859), Stenocypris major okuboi n.ssp., and Stenocypris major sketi  n.ssp.; (b) the bolieki-group, with Stenocypris bolieki Ferguson, 1952; (c) the intermedia-group with Stenocypris intermedia Klie, 1932 and Stenocypris macedonica nov. spec.

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