Abstract:At Cerro de Cristo Rey in Doña Ana County, southern New Mexico, an ~ 350 m thick section of Cretaceous strata ranges in age from late Albian to middle Cenomanian. Nautiloids are rare in these strata and were collected from the upper Albian Smeltertown and Muleros formations. Five nautiloids, all assigned to Cymatoceras cf. C. loeblichi, are in the collections of the New Mexico Museum of Natural History (NMMNH). NMMNH P-50940 (179 mm in diameter), from the Smeltertown Formation, is a complete, somewhat dorso-ve… Show more
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