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Valvata tricarinata

From Wikipedia, the free encyclopedia

Valvata tricarinata
Drawing: apertural view of shell of Valvata tricarinata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Family: Valvatidae
Genus: Valvata
Species:
V. tricarinata
Binomial name
Valvata tricarinata
Say, 1817
Synonyms

Cyclostoma tricarinata Say, 1817 (original combination)

Valvata tricarinata, common name the three-ridge valvata or threeridge valvata, is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails.

Distribution

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This species occurs in North America.

Shell description

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There is great variation in the degree of carination of the shell.[2]

Paleontology

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Valvata tricarinata is abundant in nearly all lacustrine and fluviatile deposits in North America of the Pleistocene period. The fossil shells are more variable than the Recent ones.[2] Eight forms or subspecies were described.[2]

References

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This article incorporates public domain text from the reference.[2]

  1. ^ Seddon, M.B.; Lepitzki, D. (2017). "Valvata tricarinata". IUCN Red List of Threatened Species. 2017: e.T189129A80973880. doi:10.2305/IUCN.UK.2017-3.RLTS.T189129A80973880.en. Retrieved 18 November 2021.
  2. ^ a b c d Frank C. Baker. July 1921. New forms of Pleistocene molluks of Illinois. The Nautilus, volume 35, number 1, 22–24.
  • Turgeon, D.D., et al. 1998. Common and scientific names of aquatic invertebrates of the United States and Canada. American Fisheries Society Special Publication 26
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