Species

Semiacontiodus cornuformis (Sergeeva, 1963)

Synonymy list

1963 Scolopodus cornuformis Sergeeva sp. nov. — Sergeeva , pp. 93, fig. 7:1-3

1978 Scolopodus cornuformis Sergeeva — Löfgren , pp. 105, fig. 7:1-6,9-12

2001 "Semiacontiodus" cornuformis (Sergeeva, 1963) — Rasmussen , pp. 132

2003 Semiacontiodus cornuformis — Tolmacheva et al. , pp. 33

2018 Semiacontiodus cornuformis — Wu et al.

Selection of related publications

Kukk, R. 2014. Kesk-Ordoviitsiumi konodondid Aseri paemurrus, Kirde-Eestis: taksonoomia, levik ja biostratigraafia [Magistritöö. Juhendaja: O. Hints, kaasjuhendaja: V. Viira]. pp. 1-60. Tallinna Tehnikaülikooli geoloogia instituut.

Männik, P., Viira, V. 2012. Ordovician conodont diversity in the northern Baltic. Estonian Journal of Earth Sciences 61, 1, 1-14. Estonian Academy Publishers. DOI:10.3176/earth.2012.1.01

Hints, O., Viira, V., Nõlvak, J. 2012. Darriwilian (Middle Ordovician) conodont biostratigraphy in NW Estonia. Estonian Journal of Earth Sciences 61, 4, 210-226. DOI:10.3176/earth.2012.4.03

Viira, V. 2011. Lower and Middle Ordovician conodonts from subsurface of SE Estonia and adjacent Russia. Estonian Journal of Earth Sciences 60, 1, 1-21. DOI:10.3176/earth.2011.1.01

Tolmacheva, T., Egerquist, E., Meidla, T., Tinn, O., Holmer, L. 2003. Faunal composition and dynamics in unconsolidated sediments: a case study from the Middle Ordovician of the East Baltic. Geological Magazine 140, 1, 31-44. DOI:10.1017/S001675680200701X

Sjöstrand, L. L. M. 2003. Early to early Middle Ordovician conodont biostratigraphy of the Tamsalu drill core, central Estonia. Examensarbeite i geologi vid Lunds Universitet 156, 1-20. Lunds Universitet.

Viira, V., Löfgren, A., Mägi, S., Wickström, J. 2001. An Early to Middle Ordovician succession of conodont faunas at Mäekalda, northern Estonia. Geological Magazine 138, 6, 699-718. DOI:10.1017/S0016756801005945

Viira, V. 1974. Konodonty ordovika Pribaltiki. pp. 1-140. Valgus.

Sergeeva, S. P. 1963. Lower Ordovician conodonts from the Leningrad region. Paleontologicheski Zhurnal 1963, 2, 93-108.

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Chordata
Class	Conodonta
Genus	Semiacontiodus
Species	bulbosus
	carinatus
	cornuformis
	davidi

References based on distribution

Männik & Viira, 2012 Volkhov Stage
Sergeeva, 1963a Simankovo, Leningrad Oblast Kunda Stage
Sergeeva, 1963a Popovka River, Leningrad Oblast Kunda Stage
Tolmacheva et al., 2003a Putilovo quarry, Leningrad Oblast Volkhov Stage