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Contents

   



(Top)
  


1 Distribution  




2 Shell description  




3 Ecology  




4 References  




5 External links  













Valvata cristata






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From Wikipedia, the free encyclopedia
  

Valvata cristata
Five views of a shellofValvata cristata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Valvatidae
Genus: Valvata
Species:
V. cristata
Binomial name
Valvata cristata

O. F. Müller, 1774[1]

Valvata cristata is a species of minute freshwater snail with an operculum, an aquatic gastropod molluskormicromollusk in the family Valvatidae, the valve snails.

Distribution

[edit]
Specimens of V.cristatainNaturalis Biodiversity Center. Note the tiny size

Shell description

[edit]

The shell of this exceeding small (2–4 mm) Valvata species is very flat in its coiling, and therefore it somewhat resembles a Planorbis shell. However, the shell is dextral in coiling and has an operculum.[5] The shell is transparent, has 3-3.5 whorls in a circular aperture. The umbilicus is wide and open, more than 1/3 of shell diameter.

Ecology

[edit]

This species lives in stagnant and slow-moving water.

Myzyk (2002)[6] described life cycle of Valvata cristata.

References

[edit]
  1. ^ Müller O. F. (1774). Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum, et testaceorum, non marinorum, succincta historia. Volumen alterum. pp. I-XXVI [= 1-36], 1-214, [1-10]. Havniae & Lipsiae. (Heineck & Faber).
  • ^ a b (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.
  • ^ (in German) Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 106, ISBN 3-923376-02-2
  • ^ Filippenko D. (2011). "Fauna of gastropod molluscs in the Curonian Lagoon littoral biotopes (Baltic Sea, Kaliningrad region, Russia)". Malacologica Bohemoslovaca 10: 79–83. PDF.
  • ^ Janus, Horst (1965). ‘’The young specialist looks at land and freshwater molluscs’’, Burke, London
  • ^ Myzyk S. (2002). "Life cycle of Valvata cristata O. F. Müller, 1774 (Gastropoda: Heterobranchia) in the laboratory". Folia Malacologica 10(2): 47-75. PDF.
    • [edit]
    Wikimedia Commons has media related to Valvata cristata.

    This Valvatidae-related article is a stub. You can help Wikipedia by expanding it.

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    • Retrieved from "https://en.wikipedia.org/w/index.php?title=Valvata_cristata&oldid=1224781292"
    Categories: 
    ●Valvatidae
     ●Gastropods described in 1774
     ●Taxa named by Otto Friedrich Müller
     ●Heterobranchia stubs
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     ●Articles with German-language sources (de)
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    ●This page was last edited on 20 May 2024, at 12:24 (UTC).
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