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Zugokosmoceras
Taxonomy
Zugokosmoceras was named as a genus. It is not extant.
It was reranked as Kosmoceras (Zugokosmoceras) by Arkell (1939).
It was assigned to Kosmoceras by Arkell (1939); to Kosmoceratidae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
It was reranked as Kosmoceras (Zugokosmoceras) by Arkell (1939).
It was assigned to Kosmoceras by Arkell (1939); to Kosmoceratidae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
Species