Kingdom Animalia Family Megomphicidae Scientific name Ammonitella yatesii Rank Species | Phylum Mollusca Genus Ammonitella Higher classification Ammonitella | |
The tight coin, scientific name Ammonitella yatesii, is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk 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
Tight coin Wikipedia(Text) CC BY-SA