Valvata tricarinata
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.
Valvata tricarinata | |
---|---|
![]() | |
Drawing: apertural view of shell of Valvata tricarinata | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
(unranked): | |
Superfamily: | |
Family: | |
Genus: | |
Species: | V. tricarinata |
Binomial name | |
Valvata tricarinata Say, 1817 | |
Synonyms | |
Cyclostoma tricarinata Say, 1817 (original combination) |
Distribution
This species occurred in the Northwest Atlantic Ocean and along the Gulf of Maine.
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] There were described eight forms or subspecies.[2]
gollark: Production requires *some inputs*.
gollark: Which would be very cool.
gollark: You can't get them *literally free* until someone invents nanofabricators and an infinite supply of raw materials, or something.
gollark: You mean "paid for by someone else".
gollark: I don't get any push notifications except for direct text messages (and actually not even those now), it's great!
References
This article incorporates public domain text from the reference.[2]
- Seddon, M.B. & Lepitzki, D. 2017. Valvata tricarinata. The IUCN Red List of Threatened Species 2017: e.T189129A80973880. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T189129A80973880.en. Downloaded on 11 January 2019.
- 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
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.