Species Pumilicopta kessneri Solem, 1988

Museums

Regional Maps

• Pumilicopta kessneri Solem, A. 1989. Non-camaenid land snails of the Kimberley and Northern Territory, Australia. I. Systematics, affinities and ranges. Invertebrate Taxonomy 2(4): 455-604 [499].

  Type data:

   Holotype AM C135948, Wunyu Beach, W Arnhem Land, NT.
  Paratype(s) FMNH numerous specimens; AM C122529 many specimens; WAM numerous specimens; numerous specimens (Kessner, V. pers. colln.); QM numerous specimens; AM C160861 11 specimens; AM C160862 10 specimens; AM C160863 11 specimens; AM C160864 6 specimens; AM C121691 1 specimen; AM C160865 many specimens; AM C121209 many specimens; AM C121213 3 specimens; AM C121211 several specimens; AM C121207 3 specimens.

Generic Combinations

• Gastrocopta (Pumilicopta) kessneri (Solem, 1988). —
  Pokryszko, B.M. 1996. The Gastrocoptinae of Australia (Gastropoda: Pulmonata: Pupilloidea): systematics, distribution and origin. Invertebrate Taxonomy 10: 1085-1150 [1113] (new combination)

Introduction

Pumilicopta kessneri is minute species distinguished by a combination of whitish shell with conical spire and an aperture densely packed with barriers. It differs from the east coast P. bifurcata in being slightly smaller and having more deeply recessed barriers.

Distribution

States

Northern Territory, Western Australia

IBRA and IMCRA regions

IBRA

NT, WA: Arnhem Coast (ARC), Darwin Coastal (DAC), Northern Kimberley (NK), Tiwi Cobourg (TIW)

Distribution References

Ecological Descriptors

Closed forest, litter.

Diagnosis

Shell minute, greyish white, broad conically pupiform; smooth with weak axial growth threads and strongly rounded whorls, aperture subquadrate with nine barriers: a very large and long parieto-angular, concentric infraparietal, slanted columellar and deeply recessed infracolumellar lamellae; four knob-like palatal barriers in an arc ascending obliquely from well inside the aperture to the parieto-palatal angle; lip strongly reflected; umbilicus tiny; height up to 1.7 mm.

Diagnosis References

Solem, A. 1989. Non-camaenid land snails of the Kimberley and Northern Territory, Australia. I. Systematics, affinities and ranges. Invertebrate Taxonomy 2(4): 455-604 [500]

General References

Köhler, F., Kessner, V. & Whisson, C. 2012. New records of non-marine, non-camaenid gastropods (Mollusca: Gastropoda) from islands off the Kimberley coast, Western Australia. Records of the Western Australian Museum 27: 21-39 [29]

Pokryszko, B.M. 1996. The Gastrocoptinae of Australia (Gastropoda: Pulmonata: Pupilloidea): systematics, distribution and origin. Invertebrate Taxonomy 10: 1085-1150 [1113-1115] (as Gastrocopta (Pumilicopta) kessneri)

Smith, B.J. 1992. Non-Marine Mollusca. In, Houston, W.W.K. (ed.). Zoological Catalogue of Australia. Non-marine Mollusca. Canberra : Australian Government Publishing Service Vol. 8 xii 408 pp. [293]

Solem, A. 1989. Non-camaenid land snails of the Kimberley and Northern Territory, Australia. I. Systematics, affinities and ranges. Invertebrate Taxonomy 2(4): 455-604 [499-500]

History of changes