Globose sinistral shell, elongate papillate protoconch, prominent open umbilicus, sinuous outer lip, constricted last whorl. Teleoconch sculpture of fine axial and spiral threads which become obsolete on later whorls. Columella relatively broad and shelf-like with distinct broad bulge adjacent to umbilicus. Eyes situated on lobes on median side of tentacles. Animal body grey with patches of grey pigment.
Kessneria papillosa Walker & Ponder, 2001
Class Gastropoda
Infraclass Heterobranchia
Megaorder Hygrophila
Order Lymnaeida
Superfamily Planorboidea
Family Planorbidae
Genus Kessneria Walker, J.C.& Ponder, W.F. 2001 (Type species: Kessneria papillosa Walker & Ponder, 2001)
Original name: Kessneria papillosa Walker & Ponder, 2001. In Walker, J. C. & Ponder, W. F. (2001). A new genus and species of Planorbidae (Gastropoda: Heterobranchia: Pulmonata) from northern Australia. Journal of Molluscan Studies 67: 153-160.
Type locality: Flood plains west of Adelaide River, near Owens Lagoon, Northern Territory.
Found in wet, seasonally inundated muddy depressions on flood plain.
Adelaide River floodplain, Northern Territory.
Genetic study has shown that this species is most closely related to Leichhardtia sisurnius.
Albrecht, C., Kuhn, K. & Streit, B. (2007). A molecular phylogeny of Planorboidea (Gastropoda, Pulmonata): insights from enhanced taxon sampling. Zoologica Scripta 36: 27-39.
Albrecht, C., Stelbrink, B. & Clewing, C. (2019). Planorbidae Rafinesque, 1815. Pp. 181-186 in C. Lydeard & Cummings, K. S. Freshwater Mollusks of the World: a Distribution Atlas. Baltimore, John Hopkins University Press.
Walker, J. C. & Ponder, W. F. (2001). A new genus and species of Planorbidae (Mollusca: Gastropoda: Heterobranchia: Pulmonata) from northern Australia. Journal of Molluscan Studies 67: 153-160.
