<unk>  is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies.<unk>  is the type genus of the tribe<unk> ni. Taphius is a synonym for<unk> . The shell of this species, like all planorbids is sinistral in coiling, but is carried upside down and thus appears to be dextral. Apical, apertural and umbilical view of the shell of<unk>  tenagophila. Scale bar is 3 mm.
Biomphalaria
Boswellia
Chalazion
Mammillaria 
Allochiria
Curatella
Rhinophyma
Camptocormia