Physa mezzalirai

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]

Physa mezzalirai
Temporal range:
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[1]

References
  1. 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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