Description of Ghatiana, a new genus of freshwater crab, with two new species and a new species of Gubernatoriana (Crustacea: Decapoda: Brachyura: Gecarcinucidae) from the Western Ghat Mountains, India

A new genus of freshwater crab, Ghatiana , with two new species, Ghatiana aurantiaca and Ghatiana hyacintha , and a new species of Gubernatoriana Bott, 1970, are described from the Western Ghat Mountains in Maharashtra State, India. Ghatiana is most similar to Gubernatoriana by its wide, highly arch...

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Bibliographic Details
Published in:Journal of natural history 2014-06, Vol.48 (21-22), p.1279-1298
Main Authors: Pati, S.K, Sharma, R.M
Format: Article
Language:English
Subjects:
abdomen
Brachyura
color
crabs
Decapoda
freshwater
freshwater crabs
Gecarcinucidae
India
males
mountains
new genus
new species
taxonomy
Triangulus
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Description
Summary:A new genus of freshwater crab, Ghatiana , with two new species, Ghatiana aurantiaca and Ghatiana hyacintha , and a new species of Gubernatoriana Bott, 1970, are described from the Western Ghat Mountains in Maharashtra State, India. Ghatiana is most similar to Gubernatoriana by its wide, highly arched carapace and by the shape of the male abdomen. Nevertheless, the new genus can be distinguished from Gubernatoriana by the broadness of carapace, length of male abdomen, shape of sixth abdominal somite, length of telson and length of G1 terminal article. Ghatiana aurantiaca sp. nov. and G. hyacintha sp. nov. are distinguished by differences in body colour, carapace width, and G1 morphology, whereas Gubernatoriana triangulus sp. nov. is distinguished from two other known species [ Gubernatoriana gubernatoris (Alcock, 1909) and Gubernatoriana pilosipes (Alcock, 1909)] by its triangular G1 subterminal segment and by its carapace morphology. Keys to the species of both the genera are provided.
ISSN:1464-5262
0022-2933
1464-5262
DOI:10.1080/00222933.2013.859315