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IRMNG source details
Mem. Geol. Soc. Am. 71
162744
Publication
Date action by
Butticeras Anderson, 1958 † (original description)
Eocanadoceras Anderson, 1958 † (original description) Exicrioceras Anderson, 1958 † (original description) Joaquinites Anderson, 1958 † (original description) Pachecocrinus Anderson, 1958 † (original description) |
