mhorn | Дата: Sunday, 30.05.2010, 20:10 | Сообщение # 1 |
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| Alifirov A.S. (2009) A new species of ammonites Costacadoceras postpisciculus from the Callovian of Anabar region (North Siberia) // News of palaeontology and stratigraphy, Vol.12, P.81–87. [in Russian with English summary] Pdf: http://www.ipgg.nsc.ru/Journal....2_6.pdf A collection of ammonites from the Lower–Upper Callovian boundary strata (N.B.: Middle Callovian deposits are missing in this section) of the Anabar Region is revised. A new species Costacadoceras postpisciculus sp. n. is described. The new species occurs together with Cadoceras emelianzevi Voronez, C. subtenuicostatum Voronez, Costacadoceras aff. insolitum Meledina, and C. cf. insolitum Meledina in a laterally discontinuous shell bed.
Middle Jurassic - Lower Cretaceous ammonites & aptychi
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