Patera (gastropod)

Patera is a genus of land snails in the family Polygyridae.

Patera
Patera perigraptus
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Helicoidea
Family:
Polygyridae
Genus:
Patera

Albers, 1850[1]

The name is from the Latin patera ("a saucer"), and refers to the highly depressed, saucer-like shape of the shells of these snails. In addition to flattened shells, members of the group have an imperforate umbilicus and a single tooth on the parietal wall of the aperture.[2]

These snails are known only from the eastern United States.[3]

Species

Species include:[4]

  • Patera appressa – flat bladetooth
  • Patera binneyana – half-lidded oval
  • Patera clarki – dwarf proud globe
  • Patera clenchi – Calico Rock oval, Clench's middle-toothed land snail
  • Patera indianorum – lidded oval
  • Patera kiowaensis – drywoods oval
  • Patera laevior – smooth bladetooth
  • Patera leatherwoodi – Pedernales oval
  • Patera panselenus – Virginia bladetooth
  • Patera pennsylvanica – proud globelet
  • Patera perigrapta – engraved bladetooth
  • Patera roemeri – Texas oval
  • Patera sargentiana – grand bladetooth

References
  1. (in German) Albers J. C. (1850). Die Heliceen nach natürlicher Verwandtschaft systematisch geordnet. Berlin, 1-262 pp.
  2. Pilsbry, H. A. (1940). Land Mollusca of North America (North of Mexico). Acad. Nat. Sci. Philadelphia, Monograph 3, 1(2): 748.
  3. Pilsbry, H. A. (1940). Land Mollusca of North America (North of Mexico). Acad. Nat. Sci. Philadelphia, Monograph 3, 1(2): 747-761.
  4. Patera. Integrated Taxonomic Information System (ITIS).


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