Physa mezzalirai

Physa mezzalirai; Temporal range: Turonian–Santonian 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:	Physinae
Tribe:	Physini
Genus:	Physa
Species:	†P. mezzalirai
Binomial name
	Physa mezzalirai; Ghilardi, Carbonaro & Simone, 2011

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

References[edit]

^ ^a ^b ^c Ghilardi,RP; Carbonaro, FA; & Simone, LRL. 2011. Physa mezzalirai, a new cretaceous basommatophoran from Adamantina formation, Brazil. Strombus 18(1-2): 1-14. http://www.conchasbrasil.org.br/strombus/online.asp

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