Species and Subspecies, Description of New Taxa
BASTERIA, 68: 51-70 Albinaria cretensis group: definitionof the species and subspecies, with the description of new taxa (Gastropoda, Pulmonata, Clausiliidae) Hartmut Nordsieck Rathenaustrafie 8, D-65326 Aarbergen-Riickershausen,Germany; hrLordsgit-online.de The valid of the Albinaria cretensis Nordsieck and species taxa group sensu (1977) are defined, their far Distributional data of the and for types, as as available, are figured. taxa arguments The taxa the proposed classification are given. following are described asnew: Albinaria eburnea A. inflaticollis subspec. nov., A. e. samariae subspec. nov., troglodytes niproensis subspec. nov., A. virginea gavdopoulensis subspec. nov., A. v. gavdosensis subspec. nov., and A. v. litoralis subspec. nov. ( Key words: Gastropoda, Pulmonata, Clausiliidae,Albinaria,taxonomy,new taxa, Greece, Crete. INTRODUCTION The of the 1867 1977: cretensis group genus Albinaria Vest, (Nordsieck, 299) is the most its 'difficult' of species groups, because the species taxa involved are morphologically very similar, partly occurring sympatrically without transitions and partly connected by tran- 1999: revision sitional forms (Nordsieck, 11-12). Preconditionfor a of the whole groupor for of certain taxa is basic of the i. an investigation a knowledge respective taxa, e. the pos- and sibility to identify to name the taxa under discussion correctly. Therefore, the aim of is this paper to definethe validtaxa by their distinctive characters and to figure their types if available. The distributionaldata of given the taxa shall be a further support for their determination. MATERIAL AND METHODS The material on which the given informationis based comprises about 900 samples, which were collected in the last decades, and about 300 samples from old collections, of including type or original material nearly all taxa concerned.
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