Family

Illaenidae Hawle et Corda, 1847

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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

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.

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.

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

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.

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. 1857. 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.

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.

List of species

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

2. Dysplanus babinoensis Melnikov, 1995

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

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

5. Illaenus ariensis Holm, 1886 | Ordovician

6. Illaenus atavus Eichwald, 1857 | Aseri Stage→Uhaku Stage

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

8. Illaenus chiron Holm, 1883

9. Illaenus chudleighensis Holm, 1886 | Kunda Stage

10. Illaenus crassicauda Wahlenberg, 1821

11. Illaenus dalmani Volborth, 1863 | Kunda Stage→Uhaku Stage

12. Illaenus excellens Holm, 1886 | Aseri Stage

13. Illaenus fornicatus Nielsen, 1995 | Langevoja Substage→Hunderum Substage

14. Illaenus gigas Holm, 1883

15. Illaenus glabriusculus Jaanusson, 1957 | Aluoja Substage

16. Illaenus incisus Jaanusson, 1957 | Hunderum Substage→Valaste Substage

17. Illaenus intermedius Holm, 1886 | Lasnamägi Stage

18. Illaenus jevensis Holm, 1886 | Sandbian

19. Illaenus kuckersianus Holm, 1886 | Sandbian

20. Illaenus laticlavius Eichwald, 1860 | Valaste Substage→Kunda Stage

Klassificering

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Trilobita
Order	Corynexochida
Suborder	Illaenina
Family	Illaenidae
Genus	Bumastoides
	Dysplanus
	Illaenus
	Parillaenus
	Platillaenus
	Stenopareia
Family	Panderiidae
	Phillipsinellidae
	Styginidae