EOTOURNAYELLA Lipina and Pronina, 1964

 

 

Type species: Tournayella (Eotournayella) jubra Lipina and Pronina, 1964; OD.

Tournayella (Eotournayella) Lipina and Pronina, 1964 (*1870), p. 125.

Eotournayella Conil and Lys, 1977 (*667), p. 17 (nom. transl.).

Test a simple coiled tube throughout, with slight growth constrictions but little indica­tion of pseudochambers, early stage streptospiral or irregular, later planispiral and evolute for most of the growth: wall calcareous, microgranular, with little or no differentia­tion and no secondary deposits; aperture sim­ple, at the open end of the tube. U. Devonian (Frasnian); USSR: Urals.