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
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.
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.
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.
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
2. Illaenus ariensis Holm, 1886 | Ordovician
6. Illaenus chudleighensis Holm, 1886 | Kunda Stage
9. Illaenus excellens Holm, 1886 | Aseri Stage
12. Illaenus glabriusculus Jaanusson, 1957 | Aluoja Substage
14. Illaenus intermedius Holm, 1886 | Lasnamägi Stage
15. Illaenus jevensis Holm, 1886 | Sandbian
16. Illaenus kuckersianus Holm, 1886 | Sandbian
18. Illaenus oblongatus (Angelin, 1854) | Aseri Stage
20. Illaenus planifrons Jaanusson, 1957 | Aseri Stage
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Classification
See also
References based on distribution
- Holm, 1886a Isvos, Leningrad Oblast
- Jaanusson, 1957a Isvos, Leningrad Oblast Hunderum Substage
- Jaanusson, 1957a Hälludden Cliff, Öland Hunderum Substage
- Jaanusson, 1957a Byrum Cliff, Öland Hunderum Substage
- Jaanusson, 1957a Gillberga quarry, Öland Hunderum Substage
- Jaanusson, 1957a Sweden Hunderum Substage
- Jaanusson, 1957a Sweden Hunderum Substage
- Eichwald, 1825
- Holm, 1886a
- Pärnaste et al., 2013 Volkhov Stage
- Pärnaste et al., 2013 Hunderum Substage
- Pärnaste et al., 2013 Kunda Stage
- Pärnaste et al., 2013 Kunda Stage
- Pärnaste et al., 2013 Volkhov Stage
- Pärnaste et al., 2013 Langevoja Substage
- Pärnaste et al., 2013 Aluoja Substage
- Pärnaste et al., 2013 Hunderum Substage
- Pärnaste et al., 2013 Valaste Substage
- Pärnaste et al., 2013 Hunderum Substage
- Pärnaste et al., 2013 Valaste Substage
- Pärnaste et al., 2013 Valaste Substage
- Holm, 1886a Väike-Pakri Island Aseri Stage
- Holm, 1886a Tallinn Aseri Stage
- Holm, 1886a Koporje outcrop, Leningrad Oblast Aseri Stage
- Holm, 1886a Aseri Stage
- Holm, 1886a Maidla opencast (Ida-Virumaa County) Kukruse Stage
- Holm, 1886a Idavere Idavere Substage
- Holm, 1886a Fjäcka
- Jaanusson, 1957a Hunderum Substage
- Nielsen, 1995 Slemmestad, Norway Langevoja Substage
- Nielsen, 1995 Skelbro Quarry, Bornholm Langevoja Substage
- Jaanusson, 1957a Vikarbyn Aseri Stage
- Holm, 1886a Pavlovsk, Leningrad Oblast Aseri Stage
- Holm, 1886a Päite cliff Aseri Stage
- Holm, 1886a Malla Aseri Stage
- Holm, 1886a Paldiski Aseri Stage
- Holm, 1886a Aseri Stage
- Holm, 1886a Tallinn Lasnamägi Stage
- Jaanusson, 1957a Ordovician
- Jaanusson, 1957a Hunderum Substage
- Jaanusson, 1957a Kunda Stage
- Holm, 1886a Aari quarry
- Holm, 1886a Kandle cliff
- Holm, 1886a Tallinn
- Holm, 1886a Madise scarplet
- Holm, 1886a Jõhvi
- Holm, 1886a Kukruse
- Holm, 1886a Pulkovo, Leningrad District
- Holm, 1886a Vassilkovo, Leningrad Oblast
- Holm, 1886a Duboviki quarry
- Holm, 1886a Väike-Pakri Island
- Holm, 1886a Aseri
- Holm, 1886a Kotly, Leningrad District
- Holm, 1886a Porkuni
- Holm, 1886a Paluküla
- Holm, 1886a Odalema
- Holm, 1886a Kirna
- Holm, 1886a Voka
- Volborth, 1864 Suuremõisa, Hiiumaa
- Eichwald, 1858 Paldiski
- Thorslund, 1940 Tvären, boulders
- Nieszkowski, 1857a Ontika cliff Lasnamägi Stage