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Type: Articles
Published: 2006-12-04
Page range: 23–37
Abstract views: 27
PDF downloaded: 1

First Asian report of the genus Chilibathynella Noodt, 1963 (Bathynellacea, Syncarida), with the description and biogeographic significance of a new species from Kotumsar Cave, India

Department of Zoology, Acharya Nagarjuna University, Nagarjunanagar 522 510, India
Parabathynellidae Chilibathynella kotumsarensis n. sp. cave India Gondwanan distribution

Abstract

The gen us Chilibathynella Noodt , 1963, presently contains two species: C. clandestina Noodt, 1963 and C. australiensis Schmi nke, 1973, fr om Central Chile an d southe r n Australia, respectivel y. A third spe cies, nam ed Chilibathynella kotumsarensis n. sp., is described herein f r om a cave in India. Th e new species has a unique combi n ation o f morphological cha r acters , which, inter alia, include six-segme nted anten na, presence of epip odite on th oraco pod I and of three en dopodal setae on the male thor acopod VIII , inhomonomous row o f spines on uro podal s ymp od, spineless uropod al endopodite, and convex anal operculu m. Some of these characters have not only necessitated pa r tial amendment of the generic diagnosis , but could p r ove of value in phylogenetic studies as well . Furthermore , the discovery of the new species is of interest because it is the first r ecor d of Chilibathynella from Asia as well as the tropical zone , thus filling a huge gap in the global distrib ution of t his genus.

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