Ringicula mississippiensis Conrad, 1848

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

Ringicula mississippiensis Conrad, 1848 Figure 4 I–J

Ringicula mississippiensis Conrad, 1848a: 287.

Type locality.

Dr. Smith’s plantation, 6 miles northeast of Vicksburg, Warren County, Mississippi, USA; stratum: Vicksburg Group; age: Oligocene.

Type material.

Lectotype, ANSP IP13414 (designation by Moore 1962: 77; as “lectotype” in MacNeil and Dockery 1984: 235, Moore 1962: 77; as “holotype” in Richards 1968: 161); paralectotypes, ANSP IP13415, 8 shells (as “paratype” in Richards 1968: 161; MacNeil and Dockery 1984: 235; see also Conrad 1848b: 117, pl. 11, fig. 36).

Current taxonomic status.

Ringicula (Ringiculella) mississippiensis Conrad, 1848 ( MacNeil and Dockery 1984).