Illaenus
| Illaenus Temporal range:
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| Illaenus tauricornis from Russia. On display at the Museo Civico di Storia Naturale di Milano | |
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| Genus: | Illaenus Dalman, 1827
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Illaenus is a genus of trilobites from Russia and Morocco, from the middle Ordovician.
Species included in this genus can reach a length of about 57 millimetres (2.2 in). They are without glabella and without articulation of the tail. The cephalon has a high profile and recurved genal spines. Eyes are distant from the axis of the head, situated nearer to the edge.[1][2]
Selected species
This genus includes about 50 species:
- Illaenus alveatus Raymond 1925
- Illaenus auriculatus Ross, Jr. & Barnes 1967
- Illaenus bayfieldi Billings 1859
- Illaenus bucculentus Whittington 1963
- Illaenus consimilis Billings 1865
- Illaenus consobrinus Billings 1865
- Illaenus crassicauda Wahlenberg 1826
- Illaenus fraternus Billings 1865
- Illaenus gelasinus Whittington 1965
- Illaenus lacertus Whittington 1954
- Illaenus marginalis Raymond 1925
- Illaenus oscitatus Fortey 1980
- Illaenus slancyensis Krylov 2016
- Illaenus spiculatus Whittington 1963
- Illaenus tauricornis Kutorga 1848
- Illaenus tumidifrons Billings 1865
- Illaenus utahensis Hintze 1952
- Illaenus welchi Loch & Ethington 2017
See also
References
- Yvonne Howells, "Ordovician Trilobites of St. Petersburg Region"
External links
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Categories:
- Corynexochida genera
- Illaenina
- Ordovician trilobites
- Fossils of Morocco
- Fossils of Russia
- Bromide Formation
- Paleozoic life of Ontario
- Paleozoic life of Newfoundland and Labrador
- Paleozoic life of the Northwest Territories
- Paleozoic life of Nunavut
- Paleozoic life of Quebec
- Paleozoic life of Yukon
- Corynexochida stubs