Genus: Eotephradactylus KLIGMAN, WHATLEY, RAMEZANI, MARSH, LYSON, FITCH, PARKER & BEHRENSMEYER, 2025
Etymology: Greek, eos, "Greek mythology for goddess of the dawn", Greek, tephra, "ash" and Greek, dactylus, "finger": a commong suffix in pterosaur names. In reference to the orignial volcanic ash that yielded the high precision U-Pb date and to Pliot Rock, and teh more recent (Miocene-Pliocene) volcanic peak in the northern part of Petrified Forest Natinoal Monument.

Species: mcintireae KLIGMAN, WHATLEY, RAMEZANI, MARSH, LYSON, FITCH, PARKER & BEHRENSMEYER, 2025
Etymology: In honor of Suzanne McIntire, who discovered the spcimen during micropreparation of the quarry block, adn who prepared and curated most of the fossils from PFV 393.

Holotype: PEFO 53384

Locality: PEFO 393, Petrified Forest National Park, Navajo County, Arizona.

Horizon: Lower Owl Rock Member, Chinle Formation

Biostratigraphy:

Age: Apachean teilzone, Norian Stage, Late Triassic.

Material: A partial left mandibular ramus and associated mesial tooth.

Referred material:

PEFO 52926: Manual (wing) phalanx.

PEFO 53536: Isolated multicuspid tooth.

PEFO 54092. Isolated anterior caniniform tooth