Bulletin of Zoological Nomenclature 1989 46:91-93
12230104
10.5962/bhl.part.503

Case 2403. Valanginites Sayn In Kilian 1910 Cephalopoda Ammonoidea Confirmation Of The Author Of The Genus And Of Ammonites nucleus Roemer 1841 As Its Type Species

P F Rawson, E Kemper






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