Hacobjan V.T. (1973). K voprosu sistematiki pozdnemelovykh nerineid (Gastropoda) [= Systematics questions on nerineids (Gastropoda) from Upper Cretaceous]. Izvestiia Akademii Nauk Armianskoi SSR, Nauki o Zemle. 26(6): 3–14.
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Hacobjan V.T.
1973
K voprosu sistematiki pozdnemelovykh nerineid (Gastropoda) [= Systematics questions on nerineids (Gastropoda) from Upper Cretaceous].
Izvestiia Akademii Nauk Armianskoi SSR, Nauki o Zemle