Authors: LOFGREN Anita L. TOLMACHEVA Tatiana Ju.

Citation: L. Lofgren Anita et Tolmacheva Tatiana Ju, Taxonomy and distribution of the Ordovician conodont Drepanodus arcuatus PANDER, 1856, and related species, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 77(1), 2003, pp. 203-221

Authors: TOLMACHEVA Tatiana Ju. JOREN Tatiana N. HOLMER Lars E. POPOV Leonid E. RAEVSKAYA Elena

Citation: Tolmacheva Tatiana Ju et al., The Hunneberg Stage (Ordovician) in the area of St.Petersburg, nort-western Russia, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 74(4), 2001, pp. 543-561