Ammonitella yatesii

Ammonitella yatesii, the tight coin, is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Megomphicidae. This species is endemic to the United States.

Ammonitella yatesii
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora

informal group Sigmurethra
Family:
Megomphicidae
Genus:
Ammonitella
Species:
A. yatesii
Binomial name
Ammonitella yatesii
J.G. Cooper, 1869

The shell in this species is very tightly coiled, hence the common name.

References
  1. Roth, B. (1996). "Ammonitella yatesii". IUCN Red List of Threatened Species. 1996: e.T1146A3279930. doi:10.2305/IUCN.UK.1996.RLTS.T1146A3279930.en. Retrieved 16 November 2021.


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