Order

Oncocerida Flower, 1950

Selection of related publications

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

Mutvei, H. 2015. Characterization of two superorders Nautilosiphonata and Calciosiphonata and a new order Cyrtocerinida of the subclass Nautiloidea; siphuncular structure in the Ordovician nautiloid Bathmoceras (Cephalopoda). GFF 137, 3, 164-174. DOI:10.1080/11035897.2015.1061592

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. Elsevier BV. 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.

Kröger, B., Mutvei, H. 2005. Nautiloids with multiple paired muscle scars from Lower-Middle Ordovician of Baltoscandia. Palaeontology 48, 4, 781-791. DOI:10.1111/j.1475-4983.2005.00478.x

Jacobson, M. 1999. Five new cephalopod species from the Silurian of Gotland. Examensarbeite i geologi vid Lunds Universitet 108, 1-18.

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

Stridsberg, S. 1985. Silurian oncocerid cephalopods from Gotland. Fossils and Strata 18, 1-65.

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]. 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. Amphicyrtoceras benedictae Strand, 1934 | Ordovician

2. Beloitoceras cautis Kröger et Aubrechtová, 2018 | Keila Stage

3. Beloitoceras duplex Stumbur | Pirgu Stage

4. Beloitoceras estonicum Teichert, 1930 | Vormsi Stage

5. Beloitoceras heterocurvatum Strand, 1934 | Katian

6. Beloitoceras siljaense Frye, 1987 | Katian

7. Beloitoceras sinuososeptatum (Roemer, 1861) | Vormsi Stage→Pirgu Stage

8. Beloitoceras stoermeri Sweet, 1958 | Sandbian

9. Beloitoceras thorslundi Kröger et Aubrechtová, 2019

10. Clathroceras plicatum Stridsberg, 1985 | Ludlow

11. Codoceras dubium Strand, 1934 | Ordovician

12. Codoceras schmidti Teichert, 1930 | Katian

13. Cyrtorizoceras borni Teichert, 1930 | Nabala Stage→Vormsi Stage

14. Cyrtorizoceras tenue Strand, 1934 | Ordovician

15. Cyrtorizoceras thorsundi Kröger, 2013 | Katian

16. Dalecarlioceras bodense Frye, 1987 | Katian

17. Dalecarlioceras constrictum Frye, 1987 | Katian

18. Dalecarlioceras dalecarlicum (Frye, 1987) | Katian

19. Danoceras breve Strand, 1934 | Lower Ordovician→Ordovician

20. Danoceras broeggeri Strand, 1934 | Katian

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Mollusca
Class	Cephalopoda
Subclass	Multiceratia
Order	Bisonoceratida
	Cyrtocerinida
	Discosorida
	Ellesmerocerida
	Oncocerida
Suborder	Polyelasmoceratidae
Family	Acleistoceratidae
	Diestoceratidae
	Graciloceratidae
	Hemiphragmoceratidae
	Jovellaniidae
	Karoceratidae
	Oncoceratidae
	Phtanoncoceratidae
	Trimeroceratidae
	Valcouroceratidae