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Evans, D. H.; King, A. H. (1990). The affinities of early oncocerid nautiloids from the Lower Ordovician of Spitsbergen and Sweden. Palaeontology. 33: 623–630.
486533
Evans, D. H.; King, A. H.
1990
The affinities of early oncocerid nautiloids from the Lower Ordovician of Spitsbergen and Sweden
Palaeontology
33: 623–630
Publication
Available for editors [request]
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Phthanoncoceras D. H. Evans & A. H. King, 1990 † (original description)
Phthanoncoceras oelandense D. H. Evans & A. H. King, 1990 † (original description)
Phthanoncoceratidae D. H. Evans & A. H. King, 1990 † (original description)
Valhalloceras D. H. Evans & A. H. King, 1990 † (original description)
Valhalloceras floweri D. H. Evans & A. H. King, 1990 † (original description)
Phthanoncoceras oelandense D. H. Evans & A. H. King, 1990 † (original description)
Phthanoncoceratidae D. H. Evans & A. H. King, 1990 † (original description)
Valhalloceras D. H. Evans & A. H. King, 1990 † (original description)
Valhalloceras floweri D. H. Evans & A. H. King, 1990 † (original description)