Tryonia is a genus of freshwater snails in the family Hydrobiidae.[3] This genus is sometimes placed in the family Cochliopidae[2]
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.[4]
Most of these snails occur in western North America, especially the Chihuahuan Desert. There are also species known in Florida and Guatemala.[4]
Species include:[5]
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.
Tryonia es un género de molusco gasterópodo de la familia Hydrobiidae en el orden Mesogastropoda.
Las especies de este género son:[1]
Tryonia es un género de molusco gasterópodo de la familia Hydrobiidae en el orden Mesogastropoda.
Tryonia is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).
Tryonia is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).
