Watznaueria angustoralis

Watznaueria angustoralis Reinhardt, 1964

In this study, the subcircular species of Watznaueria with a closed central area is identified as Watznaueria angustoralis. The extinction angle measured from the distal side is typically about 73° on the distal shield and 60° on the tube cycles. Watznaueria angustoralis differs from Watznaueria barnesiae by being subcircular (ellipticity less than 1.1; holotype 0.6), whereas the latter species is broadly elliptical (ellipticity between 1.1 and 1.3; holotype 1.14). Both species are believed to have tube cycles that become extinct every 90°. The holotypes of both species are SEM micrographs, so the extinction angles of the tube cycles in these species are unknown. The well-known Watznaueria barnesiae is invalid according to ICN Article 35.1. However, ICN Article 51.1 states: ‘A legitimate name must not be rejected merely because it, or its epithet, is
inappropriate or disagreeable, or because another is preferable or better known (but see Art. 56.1), or because it has lost its original meaning'.

Reinhardt, P. 1964. Einige Kalkflagellaten-Gattungen (Coccolithophoriden, Coccolithineen) aus dem Mesozoikum Deutschlands. - Monatsberichteder Deutschen Akademieder Wissenschaftenzu Berlin. 6: 749-759.