Abstract
A new genus, Anabariceras, and two new species, A. meledinae and A. aspectabile, are described from the Upper Callovian-Lower Oxfordian boundary beds from the Anabar River basin. Based on analysis of the ontogenetic development of major characters (suture, shell shape, and ornamentation), the affinity of this genus to the subfamily Quenstedtoceratinae is substantiated.
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References
J. H. Callomon, “The Evolution of the Jurassic Ammonite Family Cardioceratidae,” Spec. Pap. Palaeontol., No. 33, 49–89 (1985).
J. H. Callomon and J. K. Wright, “Cardioceratid and Kosmoceratid Ammonites from the Callovian of Yorkshire,” Palaeontology 32(Part 4), 799–836 (1989).
R. Imlay, “Jurassic (Oxfordian and Late Callovian) Ammonites from the Western Interior Region of the United States,” US Geol. Surv. Prof. Pap. 1232, 1–44 (1982).
D. N. Kiselev, Zones, Subzones, and Biohorizons of the Middle Callovian of Central Russia (Yaroslavl, 2001) [in Russian].
V. G. Knyazev, Ammonites and the Zonal Stratigraphy of the Lower Oxfordian of Northern Siberia (Nauka, Moscow, 1975) [in Russian].
T. A. Lominadze, Callovian Ammonites of the Caucasus Mountains (Metsniereba, Tbilisi, 1982) [in Russian].
S. V. Meledina, Ammonites and the Zonal Stratigraphy of the Callovian of Siberia (Nauka, Moscow, 1977) [in Russian].
S. V. Meledina, The Boreal Middle Jurassic of Russia (Ammonites and the Zonal Stratigraphy of the Bajocian, Bathonian, and Callovian) (Nauka, Novosibirsk, 1994) [in Russian].
Yu. S. Repin, “New Ammonites from the Upper Callovian of the Pechora Region,” Paleontol. Zh., No. 5, 32–38 (2002) [Paleontol. J. 36 (5), 472–479 (2002)].
Yu. S. Repin and N. Kh. Rashvan, Callovian Ammonites of the Saratov Volga Region and Mangyshlak (Mir i sem’ya-95, St. Petersburg) [in Russian].
L. R. Stolyarova, “Structural Features of the Suture Lines of the Late Callovian and Oxfordian Ammonites of the Family Cardioceratidae from the Lower Anabar River and the Anabarskaya Guba (Bay),” in Proceedings of the Scientific Conference (Yakutsk, 2002), pp. 66–70.
Treatise on Invertebrate Paleontology: Part L, Mollusca 4 (Geol. Soc. Am., New York, and Univ. Kansas Press, Lawrence, 1957).
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Original Russian Text © L.R. Stolyarova, 2007, published in Paleontologicheskii Zhurnal, 2007, No. 3, pp. 10–15.
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Stolyarova, L.R. A new genus of cardioceratids (Ammonoidea) from the Upper Callovian-Lower Oxfordian of northern Siberia. Paleontol. J. 41, 241–247 (2007). https://doi.org/10.1134/S0031030107030021
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DOI: https://doi.org/10.1134/S0031030107030021