Physa aridi

Physa aridi; Temporal range: Senonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura; clade Panpulmonata; clade Hygrophila
Superfamily:	Planorboidea
Family:	Physidae
Subfamily:
Tribe:
Genus:	Physa
Species:	†P. aridi
Binomial name
	Physa aridi; Mezzalira, 1974

Physa aridi is a fossil species of air-breathing freshwater snail, an extinct aquatic pulmonate gastropod mollusk in the family Physidae. This species has a small, left-handed (or sinistral) shell, as is always the case in this family. Physa aridi dates from the Senonian (Upper Cretaceous) of the Bauru Group, in São Paulo state, Brazil.^[1]

References[]

^ ^a ^b ^c Simone, L.R.L. & Mezzalira, S. 1994. Fossil Molluscs of Brazil. Boletim do Instituto Geológico 11: 1–202.

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[Simone_&_Mezzalira_1994-1] Simone, L.R.L. & Mezzalira, S. 1994. Fossil Molluscs of Brazil. Boletim do Instituto Geológico 11: 1–202.

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