Genus

Drepanoistodus Lindström, 1971

Selection of related publications

Rasmussen, J. A., Eriksson, M. E., Lindskog, A. 2021. Middle Ordovician Drepanoistodus (Vertebrata, Conodonta) from Baltica, with description of three new species. European Journal of Taxonomy 774, 106–134. DOI:10.5852/ejt.2021.774.1533

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

Viira, V. 2008. Conodont biostratigraphy in the Middle-Upper Ordovician boundary beds of Estonia. Estonian Journal of Earth Sciences 57, 1, 23-38.

Löfgren, A. 2006. An Oistodus venustus-like conodont species from the Middle Ordovician of Baltoscandia. Paläontologische Zeitschrift 80, 1, 12-21. DOI:10.1007/BF02988394

Viira, V., Mens, K., Nemliher, J. 2006. Lower Ordovician Leetse Formation in the North Estonian Klint area. Proceedings of the Estonian Academy of Sciences. Geology 55, 2, 156-174. DOI:10.3176/geol.2006.2.05

Löfgren, A., Viira, V., Mens, K. 2005. Conodont biostratigraphy and sedimentary history in the upper Tremadoc at Uuga, Cape Pakri, NW Estonia. GFF 127, 4, 283-293. DOI:10.1080/11035890501274283

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

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

Löfgren, A. 1978. Arenigian and Llanvirnian cocodonts from Jämtland, northern Sweden. Fossils and Strata 13, 1-129.

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

List of species

1. Drepanoistodus balticus (Löfgren, 2006) | Kunda Stage→Aseri Stage

2. Drepanoistodus basiovalis (Sergeeva, 1963) | Volkhov Stage→Uhaku Stage

3. Drepanoistodus contractus (Lindström, 1954) | Hunneberg Stage→Billingen Stage

4. Drepanoistodus forceps (Lindström, 1954) | Hunneberg Stage→Volkhov Stage

5. Drepanoistodus iommii Rasmussen, Eriksson et Lindskog, 2021

6. Drepanoistodus nowlani Ji et Barnes, 1994

7. Drepanoistodus pervetus Nowlan, 1985

8. Drepanoistodus stougei Rasmussen, 1991 | Kunda Stage

9. Drepanoistodus suberectus (Branson et Mehl, 1933) | Uhaku Stage→Porkuni Stage

10. Drepanoistodus svendi Rasmussen, Eriksson et Lindskog, 2021

11. Drepanoistodus venustus (Stauffer, 1935)

12. Drepanoistodus viirae Rasmussen, Eriksson et Lindskog, 2021 | Volkhov Stage→Kunda Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Chordata
Class	Conodonta
Order	Protopanderodontida
Family	Drepanoistodontidae
Genus	Drepanoistodus
Species	balticus
	basiovalis
	contractus
	forceps
	iommii
	nowlani
	pervetus
	stougei
	suberectus
	svendi
	venustus
	viirae