Taxa Count: 18

SUCCINEIDAE

Novisuccinea ovalis

Oxyloma effusum

Oxyloma elegans

Oxyloma haydeni

Oxyloma nuttallianum

Oxyloma peoriense

Oxyloma retusum

Oxyloma salleanum

Oxyloma sillimani

Succinea campestris

Succinea floridana

Succinea indiana

Succinea luteola

Succinea oregonensis

Succinea putris

Succinea rusticana

Succinea unicolor