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†Pseudogregoryceras Jeannet 1951
urn:lsid:organismnames.com:name:2924539
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†Pseudogregoryceras Jeannet 1951
Jeannet 1951. Stratigraphie and Palaeontologie das Oolithischen eisenerlayers von Herznach und Seiner Umgebung. Beitraege Geol Schweiz Ser Geotech, 13(5) 1951: pp. 1-244