Abstract

"Three new species of nautiloids, Cymatoceras colombiana, Eutrephoceras laverdei, and Heminautilus etheringtoni, are described from the upper Aptian [Cretaceous] of Colombia. Heminautilus etheringtoni is discussed at some length and compared with H. stantoni (Scott) and H. lallieranus (d'Orbigny)."

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