Systematic revision of the trilobite genera Laudonia and Lochmanolenellus (Olenelloidea) from the lower Dyeran (Cambrian Series 2) of western Laurentia Author Webster, Mark Author Bohach, Lisa L. text Zootaxa 2014 3824 1 1 66 journal article 36828 10.11646/zootaxa.3824.1.1 df227efc-13d9-421e-92ed-f9aa417b0cf7 1175-5326 286404 023D78D0-4182-48D2-BAEB-CDA6473CF585 Lochmanolenellus cf. subquadratus 2 Fig. 19.2 Material. One cephalon, LACMIP 12544. FIGURE 19. 1, Cephalon of Lochmanolenellus cf. subquadratus 1 from middle member of Poleta Formation at LACMIP locality 26828, Magruder Mountain, Esmeralda County, Nevada; LACMIP 7401, x3. 2, Cephalon of Lochmanolenellus cf. subquadratus 2 from middle member of Poleta Formation, LACMIP locality 17039, IS-4 section, Montezuma Range, Esmeralda County , Nevada; LACMIP 12544, x7. 3, Cephalon of genus and species indet. from upper portion of Puerto Blanco Formation at USNM locality 801c, Cerros de la Proveedora, Caborca area, Sonora, Mexico; latex peel of USNM 115682, x1.5. All in dorsal view. Occurrence. U.S.A. : Montezuma Range, Esmeralda County , Nevada: LACMIP locality 17039, limestone approximately 248 metres above the base of the section, corresponding to approximately 180 metres above the base and 21 metres below the top of the middle member of the Poleta Formation ( Bohach, 1997, text-fig. 60, p. 369 ), from the IS-4 section of Hollingsworth (1999) , Indian Springs Canyon.