- Source: Illaenus
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.
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
Ordovician fauna of Putilovo village
References
Yvonne Howells, "Ordovician Trilobites of St. Petersburg Region"
External links
Russian Trilobites
Saint Petersburg Paleontological Laboratory Archived 2012-03-24 at the Wayback Machine
Kata Kunci Pencarian:
- Illaenus
- Illaenus crassicauda
- Illaenus tauricornis
- 2018 in arthropod paleontology
- Illaenidae
- Corynexochida
- List of the prehistoric life of Maine
- Illaenina
- List of the prehistoric life of New York
- Bumastus
