perekond

Parafavreina Brönnimann, Caron et Zaninetti, 1972

Taksoni kirjeldused

Brönnimann et al., 1972c

Definition: The rod-shaped coprolites of Parafavreina, n. gen„ are subcircular to „dorso·ventrally" slightly compressed in transverse sections. The „ventral" side is usually flattened and the „dorsal" side convex. The coprolites are perforated by 2 bilaterally symmetric groups of longitudinal canals with transverse sections in the form of isosceles triangles.