Retusa sthillairii (Lea, 1833)

Cunha, Carlo M. & Salvador, Rodrigo B., 2018, Type specimens of fossil " Architectibranchia " and Cephalaspidea (Mollusca, Heterobranchia) in the Academy of Natural Sciences of Philadelphia, Zoosystematics and Evolution 94 (2), pp. 505-527 : 505

Retusa sthillairii (Lea, 1833) Figure 5 I–J

Bulla St. Hillairii Lea, 1833: 98, pl. 4, fig. 78.

Type locality.

Monroe Co., Claiborne Bluff, Alabama, USA; stratum: Gosport Sand (uppermost Claiborne Group); age: Eocene.

Type material.

Lectotype, ANSP IP5486, 1 shell (designation by Palmer 1937: 481; as “holotype” in Palmer and Brann 1966: 878); paralectotypes, ANSP IP5487, 1 shell, ANSP IP5488, 1 shell, ANSP IP5489, 1 shell, ANSP IP5490, 1 shell, ANSP IP5491, 1 shell, ANSP IP5487, 1 shell (all [including ANSP IP5486] as “types” in Richards 1968: 191).

Current taxonomic status.

Retusa galba (Conrad, 1833) ( Palmer and Brann 1966).