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Genus of trilobites From Wikipedia, the free encyclopedia
Illaenus is a genus of trilobites from Russia and Morocco, from the middle Ordovician.
Illaenus Temporal range: | |
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Illaenus tauricornis from Russia. On display at the Museo Civico di Storia Naturale di Milano | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Trilobita |
Order: | †Corynexochida |
Family: | †Illaenidae |
Genus: | †Illaenus Dalman, 1827 |
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]
This genus includes about 50 species:[3]
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