Pleuroctenium

Pleuroctenium Hawle & Corda (1847) is an agnostid trilobite belonging to the family Condylopygidae Raymond (1913). The genus occurs in Middle Cambrian (Drumian) strata of Canada (Newfoundland and New Brunswick), the Czech Republic, England and Wales, France, and Sweden.
Type species.
By subsequent designation by Vogdes (1925) 
"Battus granulatus" Barrande, 1846, p. 15., from the Middle Cambrian of Bohemia.
Lectotype: By subsequent designation by Snajdr (1958), National Museum of Prague, coll. Barrande, cc 250, No.1008; figured Barrande (1852, pl. 49, fig.5); Šnadjr (1958, pl. 2, fig. 5); and Horny & Bastl, 1970, p1. 1, fig. 6. From the Skryje Beds (Jince Fmn.), "Eccaparadoxides pusillus" Zone, Týřovice, Bohemia.