Upper Ordovician gastropods from the Seward Peninsula, Alaska

D. M. Rohr

1988

Article

Journal of Paleontology 62(4):551-566

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Taxa discussed in this work:

• Asgardaspira potteri
• Cataschisma exquisita
• Helicotoma blodgetti
• Helicotoma robinsoni
• Scalites tellerensis
• Sinutropis spiralis
• Trochonemella reusingi