History of the finds and descriptions of conularians from early Kazanian deposits of the Samara region, and their species identification

Abstract

The article provides the review of the 155-year history of the finds of conularians near villages Kamyshla and Baitugan of the Samara region from the Early Kazanian deposits as well as their descriptions. These findings were previously attributed to one species Conularia hollebeni Geinitz, 1853, now they are served as a basis for the distinguish of two new species - Paraconularia kazanensis Weldon and Shi, 2003 and P. larae Sendino, data on the latter species has not yet published. For verification of a species diversity of conularians of the considered region, it is offered to make the detailed description of the best remained fossils of the modern collecting and then to reconsider all existing materials on this basis.

Keywords

• конулярия
• нижнеказанский подъярус
• видовое разнообразие