Dagys, A.S. (2001). The ammonoid family Arctohungaritidae from the Boreal Lower-Middle Anisian (Triassic) of Arctic Asia. Revue de Paleobiologie, 20 (2), 543-641
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Dagys, A.S.
2001
The ammonoid family Arctohungaritidae from the Boreal Lower-Middle Anisian (Triassic) of Arctic Asia.