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Jardinella tumorosa Ponder, 1991

Diagnostic features

This is one of three riverine species found in northeast Australia that have similar shell morphology. This one differs from J. thaanumi in having a swollen bursal duct, and from J. tullyensis in having rounded shoulders.

Classification

Jardinella tumorosa Ponder, 1991

Class Gastropoda

Subclass Caenogastropoda

Order Littorinimorpha 

Superfamily Truncatelloidea

Genus Jardinella Iredale & Whitley,1938

Original name: Jardinella tumorosa Ponder, 1991. Ponder, W. F. (1991).The eastern seaboard species of Jardinella (Mollusca, Gastropoda, Hydrobiidae), Queensland rainforest - inhabiting freshwater snails derived from the west.Records of the Australian Museum 43: 275-289.

Type locality: Mulgrave River at Mulgrave River Forestry Road, Queensland.

Biology and ecology

Found in shaded, clear flowing creeks and river with rock and gravel beds.

Distribution

Found in the Mulgrave River and Fishery Creek drainages of north-eastern Queensland.

Notes

The shape of the bursal duct is a readily discernible character of this species, as is the narrow, open umbilicus in the adult shell.

Further reading

Perez, K. E., Ponder, W. F., Colgan, D. J., Clark, S. A. & Lydeard, C. (2005). Molecular phylogeny and biogeography of Spring-associated hydrobiid snails of the Great Artesian Basin, Australia. Molecular Phylogenetics and Evolution 34: 545-556.

Ponder, W. F. (1991). The eastern seaboard species of Jardinella (Mollusca, Gastropoda, Hydrobiidae), Queensland rainforest-inhabiting freshwater snails derived from the west. Records of the Australian Museum 43: 275-289.