Cyrtoceras (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cyrtoceras" in English language version.

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doi.org (Global: 2^nd place; English: 2^nd place)

Teiichi KOBAYASHI (1987). "The Ancestry of the Cephalopoda: From Helcionella to Plectronoceras". Proceedings of the Japan Academy, Series B: Physical and Biological Sciences. 63 (5): 135–138. Bibcode:1987PJAB...63..135K. doi:10.2183/pjab.63.135.
Afhüppe, Lukas; Becker, R. Thomas (2022-09-01). "A new discosorid and some other nautiloids from the Givetian of the Rhenish Massif, Germany". Palaeobiodiversity and Palaeoenvironments. 102 (3): 613–627. doi:10.1007/s12549-022-00541-3. ISSN 1867-1608.

Teiichi KOBAYASHI (1987). "The Ancestry of the Cephalopoda: From Helcionella to Plectronoceras". Proceedings of the Japan Academy, Series B: Physical and Biological Sciences. 63 (5): 135–138. Bibcode:1987PJAB...63..135K. doi:10.2183/pjab.63.135.

Teichert, C.; Kummel, B.; Sweet, W. C.; Stenzel, H. B.; Furnish, W. M.; Glenister, B. F.; Erben, H. K.; Moore, R. C.; Nodine Zeller, D. E. (1964). "Cephalopoda – general features, Endoceratoidea – Actinoceratoidea – Nautiloidea – Bactritoidea In R. C. Moore (Ed.), Treatise on Invertebrate Paleontology, Part K, Mollusca 3". Lawrence: The University of Kansas Press: 1–519.