Genus: Rhabdopelix COPE, 1870 (nomen dubium)
Etymology: Greek, rhabdos, “rod, stave”, and Greek, pelyx, “pelvis, basin”: “Rod-basin” or “Rod-pelvis”.
= Rabdopelix HUENE, 1921 (sic)

Species: longispinis (COPE, 1866) COPE, 1870 (nomen dubium)
Etymology: Etymology: Lating, longus, “long” and Latin, spinus, “thorn."
= Pterodactylus longispinis COPE, 1866 (nomen nudum)

Holotype:

Locality: Gwynedd, Montgomery County, Pennsylvania.

Horizon: Lockatong Formation, Newark Supergroup.

Biostratigraphy:

Age: Newark series, Late Carnian Stage, Late Triassic Epoch, Late Triassic.

Material: Fragmentary remains.
Note: Possibly Tanytrachelos.