In 1973, he and Jim Jensen described a partial skeleton (BYU ESM 163 as of Galton, 2007) missing the head, hands, and tail as Nanosaurus (?) rex, which had been damaged by other collectors prior to description.
On i Jim Jensen su 1973. godine opisali nepotpun skelet (BYU ESM 163 prema Galton, 2007.) kojem su nedostajala glava, ruke i rep, kao Nanosaurus (?) rex; prije opisa su ga oštetili drugi skupljači.