A NEW GENUS AND SPECIES OF PLANORBIDAE (GASTROPODA: HETEROBRANCHIA: PULMONATA) FROM NORTHERN AUSTRALIA

A new genus and species of Planorbidae, Kessneria papillosa n.gen. and sp. from the Northern Territory, Australia, are described. The new genus is morphologically most similar to Leichhardtia, another genus restricted to Northern Australia, from which it differs in a number of important shell and an...

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Bibliographic Details
Published in:Journal of molluscan studies 2001-05, Vol.67 (2), p.153-160
Main Authors: WALKER, J.C., PONDER, W.F.
Format: Article
Language:English
Subjects:
Freshwater
Kessneria papillosa
Planorbidae
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Description
Summary:A new genus and species of Planorbidae, Kessneria papillosa n.gen. and sp. from the Northern Territory, Australia, are described. The new genus is morphologically most similar to Leichhardtia, another genus restricted to Northern Australia, from which it differs in a number of important shell and anatomical characters. The shell of the new genus differs from all other planorbids in having a raised, papillate protoconch, and is also unique amongst Australian high-spired genera in being umbilicate and in having a sinuate outer lip.
ISSN:0260-1230
1464-3766
1464-3766
DOI:10.1093/mollus/67.2.153