Tryonia

Updated on Oct 26, 2023

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Kingdom Animalia Superfamily Truncatelloidea Scientific name Tryonia Rank Genus		Phylum Mollusca Family Hydrobiidae Higher classification Hydrobiidae Lower classifications Alamosa springsnail

Tryonia is a genus of freshwater snails in the family Hydrobiidae.This genus is sometimes placed in the family Cochliopidae.

Snails of this genus are very small with narrow shells. Females brood young within the genital tract. Species usually live in springs. The genus is differentiated from others by the structure of the male and female reproductive systems.

Most of these snails occur in western North America, especially the Chihuahuan Desert. There are also species known in Florida and Guatemala.

Species

Species include:

Tryonia adamantina – Diamond Y springsnail, Diamond tryonia

Tryonia aequicostata – smooth-rib hydrobe

Tryonia alamosae – Alamosa springsnail, Caliente tryonia

Tryonia angulata – Sportinggoods tryonia

Tryonia brevissima – regal hydrobe

Tryonia brunei – Brune's tryonia

Tryonia cheatumi – Phantom tryonia, Cheatum's snail

Tryonia circumstriata

Tryonia clathrata Stimpson, 1865 – grated tryonia (the type species)

Tryonia diaboli – devil tryonia

Tryonia elata – Point of Rocks tryonia

Tryonia ericae – minute tryonia

Tryonia gilae – Gila tryonia

Tryonia imitator – mimic tryonia, California brackish water snail

Tryonia kosteri – Koster's tryonia, Sago tryonia

Tryonia margae – Grapevine Springs elongate tryonia

Tryonia protea – desert tryonia

Tryonia quitobaquitae – Quitabaquito tryonia

Tryonia robusta – robust tryonia

Tryonia rowlandsi – Grapevine Springs squat tryonia

Tryonia salina – Cottonball Marsh tryonia

Tryonia seemani (Frauenfeld, 1863)

Tryonia variegata – Amargosa tryonia

References

Tryonia Wikipedia

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