Taxon Detail Search:

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


Genus
   Grammoceras (Phlyseogrammoceras) , Grammoceras (Pseudogrammoceras)
Species
   antiquum
AuthorsYearTitle
Imlay, Ralph1953Report on Referred Fossils
Imlay, Ralph1955Report on Referred Fossils
Imlay, Ralph1976Report on Referred Fossils
Imlay, Ralph1954Report on Referred Fossils
Imlay, Ralph1961Report on Referred Fossils
Imlay, Ralph1960Report on Referred Fossils
Imlay, Ralph1981Early Jurassic Ammonites from Alaska
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