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Valvata

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Valvata
a live Valvata piscinalis
Drawing: two views of a shell of Valvata cristata, the type species of the genus Valvata
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
informal group Lower Heterobranchia
Superfamily:
Valvatoidea
Family:
Valvatidae
Genus:
Valvata

Type species
Valvata cristata O. F. Müller, 1774.

Valvata is a genus of very small freshwater snails with an operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails.[2]

Synonyms

  • Cincinna Hübner, 1810 · accepted, alternate representation (Cincinna is treated as subgenus of Valvata)
  • Cincinna (Atropidina) Lindholm, 1906 (subgenus-genus combination invalid; Atropidina is considered a junior synonym of Tropidina or Cincinna (depending on source); to avoid problems we refer to Valvata only)
  • Cincinna (Cincinna) Hübner, 1810 (Cincinna is treated as subgenus of Valvata)
  • Gyrorbis Fitzinger, 1833 (junior synonym (?))
  • Planorbis (Gyrorbis) Fitzinger, 1833 (junior synonym (?))
  • Valvata (Atropidina) Lindholm, 1906 (type species of Atropidina (Valvata pulchella Studer, 1789) is considered a junior synonym of V. (Cincinna) piscinalis; however, FE ranks Atropidina as synonym of Tropidina (type species: V. macrostoma Mörch, 1864); to avoid problems we refer to Valvata)

Species

Species in the genus: Valvata O.F. Müller, 1773 include:[3]

(All the European species are included in this list.)

Two views of the type specimen of Valvata oregonensis. Width: 8.0 mm, height: 5.0 mm.
Species brought into synonymy
  • † Valvata euomphalus Fuchs, 1877: synonym of † Graecamnicola euomphalus (Fuchs, 1877)
  • † Valvata (Aphanotylus) pseudoadeorboides Sinzov, 1880: synonym of † Valvata pseudoadeorbis Sinzov, 1880
  • † Valvata (Cincinna) gaudryana Tournouër, 1866: synonym of † Valvata inflata Sandberger, 1875
  • † Valvata (Valvata) simplex bicincta Fuchs, 1870: synonym of † Muellerpalia bicincta (Fuchs, 1870)

References

  1. ^ Müller O. F. (1773). Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum et testaceorum, non marinorum, succincta historia. Voluminis Imi pars Ima., pp. [1-33], 1-135. Havniae & Lipsiae. (Heineck & Faber).
  2. ^ Bouchet, P.; Rosenberg, G. (2014). Valvata O. F. Müller, 1774. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=153994 on 2014-11-15
  3. ^ ITIS report for Valvata. Accessed 19 November 2008.
  4. ^ Teng-Chien Yen. 1946. Late Tertiary Fresh-Water Mollusks from Southeastern Idaho. Journal of Paleontology, Vol. 20, No. 5 (Sep., 1946), pp. 485-494
  5. ^ Hanna G. D. (August) 1922. Fossil Freshwater Mollusks from Oregon Contained in the Condon Myuseum of the University of Oregon. Volume I, number 12. page 11-12, plate 3. plate 4, figures 1-4.
  6. ^ Pierce H. G. 1993. The Nonmarine Mollusks of the Late Oligocene-Early Miocene Cabbage Patch Fauna of Western Montana III. Aquatic Mollusks and Conclusions. Journal of Paleontology, Vol. 67, No. 6 (Nov., 1993), pp. 980-993.
  7. ^ Parodiz J. J. (July) 1961. Notes on Valvatidae from early Tertiary of South America, with a new species. The Nautilus, volume 75(1). pages 16-19.
  • Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp.
Wikimedia Commons has media related to Valvata.
  • Valvata in The Paleobiology Database
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