Ammonites
from the
Collignoniceras woolgari
Biozone
Collignoniceras
woolgari
(Mantell) 1822
molds of Collignoniceras
woolgari
from the Tununk Member of the Mancos Shale
Flattened
shells of
Collignoniceras woolgari from the Tununk
Member of the
Mancos Shale
External
molds of Collignoniceras
woolgari
from the Tununk Member of the Mancos Shale
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