Ammonitella yatesii
| Ammonitella yatesii | |
|---|---|
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Order: | Stylommatophora | 
| Informal group: | Sigmurethra | 
| Family: | Megomphicidae | 
| Genus: | Ammonitella | 
| Species: | A. yatesii 
 | 
| Binomial name | |
| Ammonitella yatesii J.G. Cooper, 1869 
 | |

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