Genus: Mecistotrachelos FRASER, OLSEN, DOOLEY & RYAN, 2007
Etymology: Greek, mecistos, "long, longest" and Greek, tachy, "neck": longest neck.

Species: apeoros FRASER, OLSEN, DOOLEY & RYAN, 2007
Etymology: Greek, apeoros, "soaring."

Holotype: VMNH 3649

Locality: Solite Quarry, Pittyslvania County, Virginia.

Horizon: Cow Branch Formation.

Biostratigraphy:

Age: Carnian Stage, Lower Late Triassic Epoch, Early Late Traissic.

Material: Articulated skull, neck, pectoral girdles, forelimbs and trunk complete as far as the pelvic girdle.

Referred material:

VMNH 3650: A complete skeleton missing only the distal tail and part of the left hindlimb.