Taxon Detail Search:

RankNameAuthor
Phylum:Mollusca  
Class:Cephalopoda 
Subclass:Ammonoidea 
Genus:Protrachyceras 


Species
   beckeri , lecontei
AuthorsYearTitle
Reeside, John1939Report on Mesozoic fossils collected in Nutzotin Mountains, Yukon Valley, Alaska, by F.H. Moffit in 1938.
Martin, G.1926Mesozoic Stratigraphy of Alaska
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