Order

Proetida Fortey et Owens, 1975

Selection of related publications

Vinn, O., El Hedeny, M., Alkahtane, A. A., Alfarraj, S. 2025. Early cryptic microconchids and other invertebrates in empty nautiloid shells from the Silurian of Saaremaa Island, Estonia. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 314, 3, 321-327. DOI:10.1127/njgpa/1258

Pelska, J. 2025. Kalana trilobiidid: stratigraafiline ja paleoökoloogiline kontekst. pp. 1-45.

Hints, L., Männik, P. 2014. Stop A10: Porkuni quarry. 4th Annual Meeting of IGCP 591, Estonia, 10-19 June 2014. Abstracts and Field Guide, pp. 167-172. University of Tartu.

Pärnaste, H., Bergström, J., Zhou, Z.-Y. 2013. High-resolution trilobite stratigraphy of the Lower-Middle Ordovician Öland Series of Baltoscandia. Geological Magazine 150, 3, 509–518. DOI:10.1017/S0016756812000908

Pärnaste, H. 2012. Suurte silmadega väike mereelukas Telephina. Eesti Loodus 6-7, 20-23.

Pärnaste, H., Popp, A. 2011. First record of Telephina (Trilobita) from the Ordovician of northeastern Estonia and its stratigraphical implications. Estonian Journal of Earth Sciences 60, 2, 83-90. DOI:10.3176/earth.2011.2.02

Popp, A., Pärnaste, H. 2011. Biometry and lifestyle of the Ordovician proetide trilobite Cyamella stensioei Owens, 1979. GFF 133, 3-4, 111-123. DOI:10.1080/11035897.2011.599418

Pärnaste, H., Popp, A., Owens, R. M. 2009. Distribution of the Proetida (Trilobita) in Baltoscandian Ordovician strata. Estonian Journal of Earth Sciences 58, 1, 10-23. DOI:10.3176/earth.2009.1.02

Popp, A., Pärnaste, H. 2008. Morphometric study of the Ordovician proetid trilobite Cyamella stensioei Owens, 1978. Advances in trilobite research, pp. 327-332. IGME.

Pärnaste, H. 2006. The Early Ordovician trilobite distribution and zonation of the East Baltic. Proceedings of the Estonian Academy of Sciences. Geology 55, 2, 109-127. DOI:10.3176/geol.2006.2.03

Owens, R. M. 2004. Late Ordovician and early Silurian Proetida (Trilobita) from north‐western and central Europe. Palaeontology 47, 3, 557-578. DOI:10.1111/j.0031-0239.2004.00380.x

Ahlberg, P. 1995. Telephinid trilobites from the Ordovician of the East Baltic. GFF 117, 1, 49-52. DOI:10.1080/11035899509546196

Bassett, M. G., Kaljo, D., Teller, L. 1989. The Baltic region. National Museum of Wales, Geological Series 9, 158-170. National Museum of Wales.

Männil, Reet 1982. Trilobite communities (Wenlock, East Baltic). Communities and biozones in the Baltic Silurian Communities and biozones in the Baltic Silurian, pp. 51-62. Valgus.

Männil, Reet 1981. Late Silurian proetidae (Trilobita) of Estonia. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 30, 3, 98-105. DOI:10.3176/geol.1981.3.02

Männil, Reet 1979. Silurian trilobites of the subfamily Warburgellinae of the East Baltic area. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 28, 3, 99-107. DOI:10.3176/geol.1979.3.04

Owens, R. M. 1978. The trilobite genera Panarchaeogonus Öpik, Isbergia Warburg and Cyamops gen. nov. from the Ordovician of Balto-Scandia and British Isles. Norsk Geologisk Tidsskrift 58, 199-219.

Kielan, Z. 1960. Upper Ordovician trilobites from Poland and some related forms from Bohemia and Scandinavia. Palaeontologia Polonica 11, 1-198.

Öpik, A. 1937. Trilobiten aus Estland. Tartu Ülikooli Geoloogia Instituudi Toimetused 52, 1-163.

Siegfried, P. 1936. Über das Pandersche Organ bei den Asaphiden des ostbaltischen Ordoviciums. Eesti Loodusteaduse Arhiiv XI, 2, 1-42.

Öpik, A. 1928. Beiträge zur Kenntnis der Kukruse-(C2-C3-) Stufe in Eesti. III. Tartu Ülikooli Geoloogia Instituudi Toimetused 12, 1-42.

Öpik, A. 1927. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. II. Tartu Ülikooli Geoloogia Instituudi Toimetused 10, 1-35.

Warburg, E. 1925. The trilobites of the Leptaena Limestone in Dalarne. Bulletin of the Geological Institution of the University of Upsala 17, 4, i-viii, 1-446.

Öpik, A. 1925. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. I. Acta et Commentationes Universitatis Tartuensis VIII, 5, 1-18. G. Mattiesen.

Schmidt, Fr. 1894. Revision der ostbaltischen silurischen Trilobiten. Abt. IV. Calymmeniden, Proetiden, Bronteiden, Harpediden, Trinucleiden, Remopleuriden und Agnostiden. Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg 42, 5, 1-93.

Nieszkowski, J. 1857. Versuch einer Monographie der in den silurischen Schichten der Ostseeprovinzen vorkommenden Trilobiten. Archiv für die Naturkunde Liv-, Ehst- und Kurlands 1, 3, 517-626.

Angelin, N. P. 1854. Palæontologia Scandinavica, Crustacea formationis transitionis. II. pp. 21-92, tab, XXV-XLI. Typis Berlingianis.

Dalman, J. W. 1827. Om Palaeaderna, eller de så kallade Trilobiterna. Kungliga Svenska Vetenskapsakademiens Handlingar 1826, 2, 113–152, 226–294.

List of species

1. Ascetopeltis bockeliei Owens, 1973 | Upper Ordovician

2. Ascetopeltis kertelensis (Schmidt, 1894) | Vormsi Stage

3. Ascetopeltis lepta Owens, 1973 | Upper Ordovician

4. Carolinites popovkiensis Balashova, 1961 | Tremadocian

5. Celmus barrandei (Volborth, 1858) | Kunda Stage

6. Celmus granulatus Angelin, 1854 | Lower Ordovician

7. Cyamella stensioei (Owens, 1978) | Upper Ordovician→Silurian

8. Cyphoproetus insterianus Schrank, 1972 | Wenlock

9. Cyphoproetus latifrontalis Schrank, 1972 | Wenlock

10. Decoroproetus asellus (Esmark, 1833) | Upper Ordovician

11. Decoroproetus bodae Owens, 1973 | Upper Ordovician

12. Decoroproetus campanulatus Owens, 1973 | Upper Ordovician

13. Decoroproetus evexus Owens, 1973 | Upper Ordovician

14. Decoroproetus furubergensis Owens, 1970 | Upper Ordovician

15. Decoroproetus papyraceus (Törnquist, 1884) | Upper Ordovician

16. Decoroproetus wesenbergensis (Schmidt, 1885 )

17. Decoroproetus? scanicus (Olin, 1906) | Upper Ordovician

18. Dimeropyge minuta Öpik, 1937 | Kukruse Stage

19. Eremiproetus agellus Owens, 1973 | Upper Ordovician

20. Harpidella elegantula (Lowen, 1846)

Klassificering

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Trilobita
Order	Asaphida
	Corynexochida
	Librostoma
	Lichida
	Olenida
	Phacopida
	Proetida
Suborder	Aulacopleuroidea
	Bathyuroidea
	Proetoidea
Family	Brachymetopidae
	Glaphuridae
	Holotrachelidae
Order	Ptychopariida
	Redlichiida
Family	Changshaniidae
	Kingstoniidae