Sissom & Francke 1981
williamsi Sissom & Francke, 1981: 98-102, fig. 13-20, 31-32; Kovarík,
1998: 144; Sissom & Jackman, 1998: 151; Sissom, 2000:514; Soleglad & Fet,
Paruroctonus (Paruroctonus) williamsi: Haradon, 1985:
31, 38, 39, 41.
Paruroctonus williamsi Sissom &
Francke: Holotype: M (AMNH), Grapevine Ranch, north base of Grapevine Mt.,
Big Bend National Park, Brewster County, Texas, USA. Paratypes: 13M, 1F (AMNH),
2 M (WDS), same locality as holotype.
AMERICA. USA (New México, Texas).
There is some debate about the locality, as the
Grapevine Hills are the only landmark by that name that can be verified. Repeated attempts to
recollect this species in and around the Grapevine Hills in Big Bend National Park, Texas have failed.