Family
Oncoceratidae Hyatt, 1884
Aiheeseen liittyvät julkaisut
Kröger, B. 2025. The Lyckholm acme of cephalopods – Review of the late Katian (Vormsi–Pirgu regional stages) Ordovician cephalopods of Estonia. European Journal of Taxonomy 978, 1-168. DOI:10.5852/ejt.2025.978.2801
Kröger, B., Aubrechtová, M. 2019. The cephalopods of the Kullsberg Limestone Formation, Upper Ordovician, central Sweden and the effects of reef diversification on cephalopod diversity. Journal of Systematic Palaeontology 17, 12, 961-995. DOI:10.1080/14772019.2018.1491899
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
Kröger, B. 2013. The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden. European Journal of Taxonomy 41, 41, 1-110. DOI:10.5852/ejt.2013.41
Kröger, B., Ebbestad, J. O. R., Högström, A. E. S., Frisk, Ǻ. M. 2011. Mass concentration of Hirnantian cephalopods from the Siljan District, Sweden; taxonomy, palaeoecology and palaeobiogeographic relationships. Fossil Record 14, 1, 35-53. DOI:10.1002/mmng.201000014
Kröger, B., Zhang, Y., Isakar, M. 2009. Discosorids and Oncocerids (Cephalopoda) of the Middle Ordovician Kunda and Aseri Regional Stages of Baltoscandia and the early evolution of these groups. Geobios 42, 3, 273-292. DOI:10.1016/j.geobios.2008.09.006
Kröger, B. 2007. Concentrations of juvenile and small adult cephalopods in the Hirnantian cherts (Late Ordovician) of Porkuni, Estonia. Acta Palaeontologica Polonica 52, 3, 591–608.
Frye, M. W. 1987. Upper Ordovician (Harjuan) oncoceratid nautiloids from the Boda Limestone, Siljan District, Sweden. GFF 109, 1, 83-99. DOI:10.1080/11035898709454748
Balashov, E. A. 1959. Nekotorye novye vidy nautiloidej ordovika, silura i devona SSSR. Materialy k "Osnovam paleontologii", Bypusk 3, pp. 37-46. Paleontologicheskii Institut Akademii Nauk SSSR.
Sweet, W. C. 1958. The Middle Ordovician of the Oslo Region, Norway: 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38, 1, 1-178.
Stumbur, H. 1955. Eesti NSV ülem-ordoviitsiumi nautiloiididest [Diplomitöö. Juhendaja: A. Rõõmusoks]. pp. 1-159.
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. Beloitoceras cautis Kröger et Aubrechtová, 2018 | Keila Stage
2. Beloitoceras duplex Stumbur | Pirgu Stage
3. Beloitoceras estonicum Teichert, 1930 | Vormsi Stage
4. Beloitoceras heterocurvatum Strand, 1934 | Katian
5. Beloitoceras siljaense Frye, 1987 | Katian
7. Beloitoceras stoermeri Sweet, 1958 | Sandbian
9. Beloitoceras uuemoisense Kröger, 2025 | Pirgu Stage
11. Cyrtorizoceras hariense Kröger, 2025 | Vormsi Stage
12. Cyrtorizoceras tenue Strand, 1934 | Ordovician
13. Cyrtorizoceras thorsundi Kröger, 2013 | Katian
14. Dalecarlioceras bodense Frye, 1987 | Katian
15. Dalecarlioceras constrictum Frye, 1987 | Katian
16. Dalecarlioceras dalecarlicum (Frye, 1987) | Katian
17. Neumatoceras borense Kröger, Zhang et Isakar, 2009 | Kunda Stage
18. Neumatoceras parviborense Kröger, Zhang et Isakar, 2009 | Kunda Stage
19. Oncoceras kegelense Balashov, 1959 | Keila Stage
20. Oocerina dnestrovensis Balashov, 1959 | Ludlow
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See also