Aylacostoma stigmaticum

Aylacostoma stigmaticum is a species of freshwater snail, aquatic gastropod mollusc in the family Hemisinidae. This species disappeared after the building of the Yacyretá Dam on the Paraná River, in between Argentina and Paraguay.^[1] Although listed as extinct in the wild by the IUCN, no captive population survives meaning that it now is entirely extinct.^[3]

Aylacostoma stigmaticum
Conservation status
Extinct in the Wild  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Family:	Hemisinidae
Genus:	Aylacostoma
Species:	A. stigmaticum
Binomial name
Aylacostoma stigmaticum Hylton Scott, 1953[2]

See also

• List of non-marine molluscs of Argentina