Order

Siphonotretida Kühn, 1949

Selection of related publications

Nemliher, J., Kurvits, T., Kallaste, T., Puura, I. 2004. Apatite varieties in the shell of the Cambrian lingulate brachiopod Obolus apollinis Eichwald. Proceedings of the Estonian Academy of Sciences. Geology 53, 4, 246-256. DOI:10.3176/geol.2004.4.02

Holmer, L. E., Biernat, G. 2002. Lingulate brachiopods from Lower Ordovician (Tremadoc) chalcedonites, Holy Cross Mountains, Poland. Acta Palaeontologica Polonica 47, 1, 141-156.

Holmer, L. E., Popov, L. E. 2000. Class Lingulata. Treatise on Invertebrate Paleontology, part H Brachiopoda, pp. 30-146.

Popov L., Nõlvak J., Holmer, L. 1994. Late Ordovician lingulate brachiopods from Estonia. Palaeontology 37, 3, 627-650.

Holmer, L. E. 1989. Middle Ordovician phosphatic inarticulate brachiopods from Västergötland and Dalarna, Sweden. Fossils and Strata 26, 1-172.

Popov, L., Nõlvak, J. 1987. Revision of the morphology and systematic position of the genus Acanthambonia (Brachiopoda, Inarticulata). Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 36, 1, 14-19. DOI:10.3176/geol.1987.1.03

Kaljo, D., Borovko, N., Heinsalu, H., Khazanovich, K., Mens, K., Popov, L., Sergejeva, S., Sobolevskaya, R., Viira, V. 1986. The Cambrian-Ordovician boundary in the Baltic-Ladoga clint area (North Estonia and Leningrad Region, USSR). Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 35, 3, 97-108. DOI:10.3176/geol.1986.3.01

Gorjansky, V. J. 1969. Bezzamkovye brahiopody kembrijskih i ordovikskih otloženij severo-zapada Russkoj platformy. pp. 1-176. Nedra.

Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia. Acta et Commentationes Universitatis Tartuensis II, 1, 1-92.

List of species

1. Acanthambonia delicata Holmer, 1989 | Ordovician

2. Acanthambonia ildjernensis Hansen, 2008 | Ordovician

3. Acanthambonia portranensis Wright, 1963

4. Alichovia ramispinosa Gorjansky, 1969 | Idavere Substage

5. Eosiphonotreta acrotretomorpha (Gorjansky, 1969) | Hunneberg Stage

6. Eosiphonotreta verrucosa (Eichwald, 1840) | Volkhov Stage→Kunda Stage

7. Gorchakovia granulata Popov et Khazanovitch, 1989 | Upper Cambrian (old nomenclature)

8. Helmersenia ladogensis (Jeremejew, 1856) | Pakerort Stage→Tremadocian

9. Mesotreta tentorium (Kutorga, 1848) | Ordovician

10. Nushbiella lillianae Holmer, 1989 | Sandbian

11. Schizambon esthonia Walcott, 1912 | Hunneberg Stage

12. Schizambon ovalis Goryanskij, 1969 | Hunneberg Stage

13. Siphonotreta acrotretomorpha Gorjansky, 1969 | Hunneberg Stage→Billingen Stage

14. Siphonotreta intermedia Gorjansky, 1969 | Lasnamägi Stage→Kukruse Stage

15. Siphonotreta unguiculata (Eichwald, 1829)

16. Siphonotreta verrucosa (Eichwald, 1840) | Volkhov Stage→Kunda Stage

17. Siphonotretella jani Popov et Holmer, 1994 | Ordovician

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Brachiopoda
Subphylum	Linguliformea
Class	Lingulata
Order	Acrotretida
	Lingulida
	Siphonotretida
Superfamily	Siphonotretoidea