Taxon Detail Search:

RankNameAuthor
Phylum:Mollusca  
Class:Cephalopoda 
Subclass:Ammonoidea 
Genus:Cosmoceras  
Subgenus:Cosmoceras 


Species
   spinosum
AuthorsYearTitle
Imlay, Ralph1953Callovan (Jurassic) ammonites from the United States and Alaska. Part 2. Alaska Peninsula and Cook Inlet Regions. USGS Proferssional Paper 249-B
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1:24,000,000
Description: