Alaska Paleontological Database
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Taxon Detail
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Rank
Name
Author
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Genus:
Grammoceras
Genus
Grammoceras (Phlyseogrammoceras)
,
Grammoceras (Pseudogrammoceras)
Species
antiquum
Authors
Year
Title
Imlay, Ralph
1953
Report on Referred Fossils
Imlay, Ralph
1955
Report on Referred Fossils
Imlay, Ralph
1976
Report on Referred Fossils
Imlay, Ralph
1954
Report on Referred Fossils
Imlay, Ralph
1961
Report on Referred Fossils
Imlay, Ralph
1960
Report on Referred Fossils
Imlay, Ralph
1981
Early Jurassic Ammonites from Alaska
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