Ancylastrum

Ancylastrum
Shell of Ancylastrum cumingianus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Superorder:	Hygrophila
Family:	Planorbidae
Genus:	Bourguignat, 1853[1]

Ancylastrum is a genus of air-breathing freshwater limpets, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies.

The genus Ancylastrum includes the following species:

• Ancylastrum cumingianum (Bourguignat, 1853) - Australian freshwater limpet
• Ancylastrum irvinae (Petterd, 1888)

Species inquirenda

• Ancylastrum dextrorsum Clessin, 1907
• Ancylastrum issykulense Clessin, 1907
• Ancylastrum ovatum Clessin, 1907
• Ancylastrum turkestanicum Clessin, 1907

• Bourguignat, J.-R. (1853). Notice sur le genre Ancylus, suivi d'un catalogue synonymique des espèces de ce genre. Journal de Conchyliologie. 4 (1): 55-66; 4 (2): 169-199, pl. 6 figs 9-12
• Walker, B. (1921). What is the type of Ancylastrum Bourguignat?. The Nautilus. 35(1): 5-9
• Kennard, A. S. & Woodward, B. B. (1925). The type of Ancylastrum is Ancylus fluviatilis Muller. The Nautilus. 38(3): 83-85.
• Baker, H. B. (1925). The type of Ancylastrum Bourguignat. The Nautilus. 39(2): 44-47
• Dall, W. H. (1926). Note on Ancylastrum. The Nautilus. 39(3): 105
• Iredale, T. (1926). The last word on Ancylastrum. The Nautilus. 39(4): 114-115