Taxon Detail Search:

RankNameAuthor
Phylum:Mollusca  
Class:Cephalopoda 
Subclass:Ammonoidea 
Genus:Phylloceras  
Subgenus:Holcophylloceras  
Species:ultramontanum(Zittel)


AuthorsYearTitle
Westermann, G.1964The ammonite fauna of the Kialagvik Formation at Wide Bay, Alaska. Part 1. Lower Bajocian (Aalenian). Bulletins of American Paleontology.
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