Illaenus is a genus of trilobites from Russia and Morocco, from the middle Ordovician.
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.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).