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Thaleops conifrons

Trilobita - Corynexochida - Illaenidae

Taxonomy
Illaenus conifrons was named by Billings (1859). Its type specimen is GSC 1322 (lectotype) and is a 3D body fossil.

It was recombined as Hydrolaenus conifrons by Raymond (1916); it was recombined as Thaleops conifrons by Twenhofel (1938), Jell and Adrain (2002).