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19 Specimen Results
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Formation:
Greenhorn
Family:
Acanthoceratidae
Filter by
Phylum
Mollusca (19)
Order
Ammonitida (19)
Class
Cephalopoda (19)
Genus
Calycoceras (3)
Dunveganoceras (1)
Euomphaloceras (1)
Mammites (8)
Plesiacanthoceras (1)
Watinoceras (3)
has media
Has media (18)
Has no media (1)
Individual/Organization
Hattin, D.E. (1)
Miller, H.W. (6)
Bratton, K. (4)
Schumacher, B.A. (1)
Kirkland, J.J. (1)
Johnson, S. (1)
Johnson, E. (1)
Olson, R.E. (2)
Apply, F. (1)
Scott, D. (2)
and 3 more
Period
Cretaceous (19)
Formation
Greenhorn (19)
Member
Hartland (2)
Jetmore (8)
Lincoln (2)
Country
United States of America (15)
State/Province
Colorado (3)
Kansas (12)
County
Eagle (2)
Ellis (2)
Las Animas (1)
Mitchell (2)
Russell (8)