Category
page 1Taxa named by Bryant Walker
Ferrissia
Ferrissia is a genus of small, air-breathing freshwater limpets, aquatic gastropod mollusks in the family Planorbidae.
Clappia umbilicata
species of mollusc
Atlas pebblesnail
species of mollusc
Somatogyrus obtusus
species of mollusc
Neoplanorbis umbilicatus
Extinct species of freshwater snail
Ovate pebblesnail
species of mollusc
Ouachita pebblesnail
species of mollusc
Angular pebblesnail
species of mollusc

Clappia
genus of molluscs
Hood ancylid
species of mollusc
Knotty pebblesnail
species of mollusc
Neoplanorbis carinatus
Extinct species of freshwater snail
Stocky pebblesnail
species of mollusc
Hidden pebblesnail
species of mollusc
Pygmy pebblesnail
species of mollusc
Panhandle pebblesnail
species of mollusc
Tallapoosa pebblesnail
species of mollusc
Coosa pebblesnail
species of mollusc
Camptoceras hirasei
species of mollusc
Rolling pebblesnail
species of mollusc
Granite pebblesnail
species of mollusc
Fluted pebblesnail
species of mollusc
Quadrate pebblesnail
species of mollusc
Thick-lipped pebblesnail
species of mollusc
Channeled pebblesnail
species of mollusc
Dwarf pebblesnail
species of mollusc
Opaque pebblesnail
species of mollusc

Rhodacmea
Rhodacmea is a genus of small freshwater snails or limpets, aquatic gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies.