Alaska Paleontological Database
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Taxon Detail
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Rank
Name
Author
Phylum:
Hemichordata
Class:
Graptolithina
Genus:
Isograptus
Species:
caduceus
Species
caduceus armatum
,
caduceus australis
,
caduceus divergens
Authors
Year
Title
Ross, Reuben
1961
Report on Referred Fossils
Ross, Reuben
1967
Anomalograptus from the Seward Peninsula, Alaska
Carter, Claire
1984
letter
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