Suborder

Illaenina Jaanusson, 1959

Selection of related publications

Vinn, O., Ernst, A., Toom, U., Isakar, M. 2018. Cryptic encrusting fauna inside invertebrate fossils from the Ordovician of Estonia. Annales Societatis Geologorum Poloniae 88, 3, 285-290. DOI:10.14241/asgp.2018.008

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

Stein, M., Bergström, J. 2010. Some lower Middle Ordovician species of Asaphus (Trilobita) from Sweden. GFF 132, 2, 105–116. DOI:10.1080/11035897.2010.486478

Ebbestad, J. O. R. 1999. Trilobites of the Tremadoc Bjørkåsholmen Formation in the Oslo Region, Norway. Fossils and Strata 47, 1-118.

Nielsen, A. 1995. Trilobite systematics, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Formations, southern Scandinavia. Fossils and Strata 38, 1-374. DOI:10.18261/8200376583-1995-01

Melnikov, S. A. 1995. New trilobites from the Lower/Middle Ordovician boundary Deposits in Leningrad oblast. Paleontologicheski Zhurnal 4, 131-135.

Bruton, D. L. 1976. The trilobite genus Phillipsinella from the Ordovician of Scandinavia and the Baltic areas. Palaeontology 19, 4, 699 – 718.

Bruton, D. L. 1968. The trilobite genus Panderia from the Ordovician of Scandinavia and the Baltic areas. Norsk Geologisk Tidsskrift 48, 1,2, 1-53.

Bruton, D. L. 1968. Ordovician odontopleurid trilobites from Estonia and Latvia. Lethaia 1, 3, 288-302. DOI:10.1111/j.1502-3931.1968.tb01742.x

Männil, Ralf 1966. O vertikal'nyh norkah zaryvaniâ v ordovikskih izvestnâkah Pribaltiki. The organism and environment in the geological past, pp. 200-207. Nauka.

Jaanusson, V. 1957. Unterordovizische Illaeniden aus Skandinavien. Mit Bemerkungen über die Korrelation des Unterordoviziums. Bulletin of the Geological Institutions of the University of Uppsala 37, 79–165.

Skjeseth, S. 1955. The Middle Ordovician of the Oslo Region, Norway: 5. The Trilobite Family Styginidae. Norsk Geologisk Tidsskrift 35, 9-28.

Thorslund, P. 1940. On the Chasmops series of Jämtland and Södermanland (Tvären). Sveriges Geologiska Undersökning 1-191.

Luha, A. 1939. Paar uut kivistist Saaremaa lademeist. Eesti Loodus VII, 2/3, 98-99.

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

Schmidt, Fr. 1907. Revision der ostbaltischen silurischen Trilobiten. Abt. VI. Allgemeine Übersicht mit Nachträgen und Verbesserungen. Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg 20, 8, 1-104.

Schmidt, Fr. 1904. Revision der ostbaltischen silurischen Trilobiten. Abt. V. Asaphiden. Lief III. Enthaltend die Gattungen Ptychopyge (Pseudasaphus, Basilicus und Ptychopyge sens. str.), Ogygia und Nileus. Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg 14, 10, 1-68.

Holm, G. 1886. Die ostbaltischen Illaeniden. Revision der ostbaltischen Trilobiten. Abt. III. Illaeniden, pp. 1–173.

Volborth, A. 1864. Über einige neue ehstländische Illaenen. Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg 8, 9, 1-11.

Eichwald, E. 1858. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode (Fortsetzung. S. Bulletin 1851. N 1. pag. 192). Klasse der Krustazeen. Klasse der Fische. Klasse der Reptilen. Bulletin of the Moscow Society of Naturalists. Geological series 30, IV, 305-354.

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.

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

Eichwald, E. von 1825. Geognostico-zoologicae per Ingriam marisque Baltici provincias; nec non de Trilobitis observationes. pp. 1-58. Typis Universitatis Caesareis.

List of species

1. Agerina erratica Tjernvik, 1956 | Latorp Superstage

2. Agerina genuflexa Melnikov, 1995 | Volkhov Stage→Kunda Stage

3. Agerina praematura Tjernvik, 1956 | Tremadocian

4. Agerina wöhrmanni (Schmidt, 1907) | Volkhov Stage

5. Bronteopsis panderi (Schmidt, 1904) | Kukruse Stage

6. Bumastus barriensis Murchison, 1839 | Jaani Stage

7. Bumastus livonicus (Holm, 1886)

8. Bumastus phrix Lane et Thomas, 1978 | Wenlock

9. Bumastus sulcatus Lindström, 1885 | Silurian

10. Dysplanus acutigenia Jaanusson, 1957 | Saka Substage→Langevoja Substage

11. Dysplanus babinoensis Melnikov, 1995

12. Dysplanus centrotus (Dalman, 1827) | Hunderum Substage

13. Eobronteus laticauda (Wahlenberg, 1821) | Ordovician

14. Hallanta modesta Poulsen, 1965 | Saka Substage→Vääna Substage

15. Illaenus aduncus Jaanusson, 1957 | Valaste Substage→Aluoja Substage

16. Illaenus ariensis Holm, 1886 | Ordovician

17. Illaenus atavus Eichwald, 1858 | Aseri Stage→Uhaku Stage

18. Illaenus brevispina (Krylov, 2010) | Lasnamägi Stage→Uhaku Stage

19. Illaenus chiron Holm, 1883

20. Illaenus chudleighensis Holm, 1886 | Kunda Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Trilobita
Order	Corynexochida
Suborder	Corynexochina
	Illaenina
Family	Illaenidae
	Panderiidae
	Phillipsinellidae
	Styginidae
Suborder	Leiostegiina
Family	Dinesidae
	Dorypygidae