Overview
Distribution
National Distribution
Canada
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
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Ecology
Habitat
Migration
Non-Migrant: No. All populations of this species make significant seasonal migrations.
Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: No. No populations of this species make annual migrations of over 200 km.
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Molecular Biology and Genetics
Molecular Biology
Statistics of barcoding coverage: Vallonia pulchella
Public Records: 0
Species: 4
Species With Barcodes: 1
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Conservation
Conservation Status
National NatureServe Conservation Status
Canada
Rounded National Status Rank: N5 - Secure
United States
Rounded National Status Rank: N5 - Secure
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NatureServe Conservation Status
Rounded Global Status Rank: G5 - Secure
Environmental Specificity: Broad. Generalist or community with all key requirements common.
Comments: This species is considered a disturbance tolerant native to North America (Nekola, 2008).
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Wikipedia
Vallonia pulchella
Vallonia pulchella, common name the lovely vallonia, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae.
Contents |
Distribution
This species occurs in countries and islands including:
Europe:
America:
- British Columbia[5] in Canada
- Illinois[6] in the United States of America
- Brazil
Life habits
The size of the egg is 0.5 mm.[7]
In this species some parental care was observed: apparently the eggs were cleaned of fungi.[7] Parental care is very rare in gastropods in general and has otherwise been observed only in the genus Libera.
References
- ^ 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]. Havniæ & Lipsiæ. (Heineck & Faber).
- ^ a b (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.
- ^ Vallonia pulchella (O. F. Müller 1774) - Glatte Grasschnecke. Accessed 26 April 2009.
- ^ Vallonia pulchella. Stichting ANEMOON, Accessed 26 April 2009.
- ^ Robert G. Forsyth. Terrestrial Gastropods of the Columbia Basin, British Columbia Family Valloniidae. Accessed 25 April 2009.
- ^ Coppolino M.L. 2009. Land Snails of Southern Illinois. Southern Illinois University, Carbondale, Illinois, USA. Last updated 31 January 2009, accessed 25 April 2009.
- ^ a b Heller J.: Life History Strategies. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001, ISBN 0-85199-318-4. 1-146, cited pages: 419-420 and page 426.
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