Selection of related publications
Kröger, B., Aubrechtová, M. 2018. Cephalopods from reef limestone of the Vasalemma Formation, northern Estonia (latest Sandbian, Upper Ordovician) and the establishment of a local warm-water fauna. Journal of Systematic Palaeontology 16, 10, 799-839. DOI:10.1080/14772019.2017.1347212
Saladžius, V. J. 1971. Cephalopods of the Ludlowian and Downtonian deposits of the Upper Silurian of the Southern Baltic area.Palaeontology and stratigraphy of the Baltic and Byelorussia. Number III , pp. 205-208. Mintis.
Sweet, W. C. 1958. The Middle Ordovician of the Oslo Region, Norway: 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38, 1, 1-176.
Balashov, Z. G. 1955. Nekotorye novye rody i vidy nautiloidej ordovika Pribaltiki. Voprosy paleontologii II, 45-54. Izdatel'stvo Leningradskogo Universiteta.
Teichert, C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Paläontologische Zeitschrift 12, 3/4, 264-312. DOI:10.1007/BF03044452
List of species
1. Adamsoceras holmi (Troedsson, 1926) | Kunda Stage
2. Aluveroceras ievense Balashov, 1955 | Jõhvi Substage
4. Ormoceras estonicum Balashov, 1955 | Lasnamägi Stage
5. Ormoceras heckeri Teichert, 1930 | Pirgu Stage
6. Ormoceras kiaeri Sweet, 1958 | Katian
7. Ormoceras lapense Saladzhius, 1966 | Ludlow
8. Ormoceras schmidti Balashov, 1955 | Kunda Stage
10. Orthonybyoceras cf. dyeri (Miller, 1875) | Keila Stage
11. Orthonybyoceras isakari Kröger et Aubrechtová, 2018 | Keila Stage
12. Orthonybyoceras moisense Kröger et Aubrechtová, 2018 | Keila Stage
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Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Cephalopoda |
Subclass | Actinoceratoidea |
Order | Actinocerida |
Family | Actinoceratidae |
Armenoceratidae | |
Gonioceratidae | |
Huroniidae | |
Ormoceratidae | |
Genus | Adamsoceras |
Aluveroceras | |
Ormoceras | |
Orthonybyoceras | |
Species | Sactoceras |