Biology:Valvata tricarinata
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Short description: Species of gastropod
| Valvata tricarinata | |
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| Drawing: apertural view of shell of Valvata tricarinata | |
| Scientific classification | |
| Kingdom: | Animalia
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| Species: | V. tricarinata
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| Binomial name | |
| Valvata tricarinata Say, 1817
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| Synonyms | |
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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
This species occurs in North America.
Shell description
There is great variation in the degree of carination of the shell.[2]
Paleontology
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
This article incorporates public domain text from the reference.[2]
- ↑ 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. https://www.iucnredlist.org/species/189129/80973880. Retrieved 18 November 2021.
- ↑ 2.0 2.1 2.2 2.3 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
External links
Wikidata ☰ Q3172318 entry
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