Illaenus

Illaenus
Temporal range: Middle Ordovician
Illaenus tauricornis from Russia. On display at the Museo Civico di Storia Naturale di Milano
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Corynexochida
Family: Illaenidae
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:

[3]

See also

References

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