Illaenus
Sign in to saveIllaenus is a genus of trilobites from Russia and Morocco, from the middle Ordovician.
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- Hoplolichas sp., Middle Ordovician, Asery Level, St. Petersburg region.jpg
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- Illaenus
- taxon name
- Illaenus
- taxon rank
- genus
- described by source
- Brockhaus and Efron Encyclopedic Dictionary
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Encyclopedic overview
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- Selected species
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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 . 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.
Excerpted from Wikipedia’s “Illaenus” article, available under the CC BY-SA 4.0 licence.