Taxonomic Relationships and Paleoecological Significance of Two Exceptionally Large Lower Jaws of Late Cretaceous Ammonoids from Japan
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DOI: 10.2517/2018pr015
Abstract: Abstract. Two exceptionally large cephalopod jaws collected from the Upper Cretaceous marine deposits of the Hidaka area, Hokkaido (Yezo Group), and Awaji Island, Southwest Japan (Izumi Group), respectively, are described. Further, their taxonomic relationships and… read more here.
Keywords: lower jaws; taxonomic relationships; two exceptionally; exceptionally large ... See more keywords