Baculites
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
Geological context: Late Cretaceous, Fox Hills Fm, Trail City Mbr. Collection locality: float, concs. in river bed, undifferentiated Limopsis - large Gervillia layers, high bluff on N bank of Grand River, about .5 mi W of Bullhead, Corson County, South Dakota, USA. Collected by Karl M. Waage, 1956/1959. IP number 902345; lot count 1; accn=IPA.07111; associatedwith=on same slab: IP.902345,IP.902352,IP.902353,IP.902358,IP.902370,IP.902371,IP.902372,IP.902374,IP.902375,IP.902376,IP.902377,IP.902378,IP.902379,IP.902360,IP.902361,IP.902362,IP.902363,IP.902364,IP.902365,IP.902354,IP.902366,IP.902355,IP.902367,IP.902368,IP.902356,IP.902369,IP.902357,IP.902373,IP.902380,IP.902346,IP.902359,IP.902347,IP.902348,IP.902349,IP.902350,IP.902351.
Yale Peabody Museum’s own description