Alaska Paleontological Database
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Taxon Detail
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Rank
Name
Author
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Genus:
Sonninia
Bayle, 1879
Subgenus:
Sonninites
Species
simulans
Authors
Year
Title
Imlay, Ralph
1984
Early and Middle Bajocian (Middle Jurassic) ammonites from southern Alaska
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