Porambonites (Equirostra) Cooper & Muir-Wood, 1951

Type species: Terebratulites aequirostris von Schlotheim, 1820.

Stratigraphic distribution: lower Llanvirnian to Cardocian (Ordovician). Geographic distribution: Russia, Estonia, Europe, Canada.

MIN 0001576

Porambonites (Equirostra) aequirostris (von Schlotheim, 1820) Locality: St. Petersburg, Russia

Stratigraphy: Ashgillian, Upper Ordovician