UGA Stratigraphy Lab

The data is in the strata

Periodon

Species

Periodon grandis (Ethington, 1959)
Occurrence: Edenian
Reference: Bergström and Sweet, 1966; Sweet, 1979
Includes form-species: Eoligonodina magna Ethington, 1959, Loxognathus grandis Ethington, 1959, Trichonodella insolita Ethington, 1959, Prioniodina araea Webers, 1966, ligonodiniform elements, and falodiform elements