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New data on the brachiopod genus Platystrophia (Orthida, Plectorthidae) from the Lower Ordovician of the Leningrad Region
Zuykov, M. A.
The Third Baltic Stratigraphical Conference. Abstracts. Field Guide
Aasta: 1996 | Leheküljed: 75-75 | abstrakt
Lower Ordovician conodonts, reworking, and biostratigraphy of the Orreholmen quarry, Västergötland, south‐central Sweden
Löfgren, A.
GFF
Aasta: 1996 | Köide: 118 | Leheküljed: 169-183 | artikkel ajakirjas
Peri-Gondwanan acritarchs from the Ordovician of the Llanos Orientales Basin, Colombia
Kroeck, D.M., Pardo-Trujillo, A., Plata Torres, A., Romero-Baéz, M., Servais, T.
Palynology
Aasta: 2020 | Köide: 44 | Leheküljed: 419-432 | artikkel ajakirjas
Lower ordovician palynomorphs from the Acoite formation, Northwestern Argentina
Ottone, E. G., Toro, B. A., Waisfeld, B. G.
Palynology
Aasta: 1992 | Köide: 16 | Leheküljed: 93-116 | artikkel ajakirjas