Template:Ivantsov & Grazhdankin, 1997
- Ivantsov, A.Yu. & Grazhdankin, D.V. 1997. [A new representative of the Petalonamae from the Upper Vendian of the Arkhangelsk Region.] Paleontologicheskii Zhurnal 1997(1): 3–18. (in Russian). [English translation: Paleontological Journal 31(1): 1–16. ResearchGate
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