Family

Aulaceratidae Kühn, 1927

Images
GIT 310-110
Aulacera | Aulacera sp.
Upper Ordovician | Otar Stage
GIT 310-110#2
Aulacera | Aulacera sp.
Upper Ordovician | Otar Stage
GIT 477-50
Aulacera | Aulacera sp.
Pristana Bay Llandovery
GIT 748-27 Pirgu Stage | Siuge Member holotype