Spirorbula Spirorbula obtecta Spirorbula squalida Spirorbula latens Trisse*odontidae Geomitridae Fasciolaria List of the prehistoric life of Alabama Latirus spirorbulus List of least concern molluscs List of the Mesozoic life of Alabama List of vulnerable molluscs List of the Cenozoic life of Alabama IUCN Red List near threatened species (Animalia) List of vulnerable invertebrates IUCN Red List vulnerable species (Animalia)