AN AMMONITE ASSEMBLAGE
South Dakota, USA
from the late Cretaceous (110-65.5 Mya), Discoscaphites conradi and Hoploscaphits nebrascensis showing good iridescence, other shelly material in matrix; housed in a late 19th century glass dome.
13½in. (35cm.) high in dome
AN AMMONITE ASSEMBLAGE
South Dakota, USA
from the late Cretaceous (110-65.5 Mya), Discoscaphites conradi and Hoploscaphits nebrascensis showing good iridescence, other shelly material in matrix; housed in a late 19th century glass dome.
13½in. (35cm.) high in dome