Genus: Palmulasaurus ALBRIGHT, GILLETTE & TITUS, 2007c
Etymology: Latin for "square" in reference to the equi-dimensional shape of, particularly, the radius and tibia, and Latin, sauros, 'lizard'.
= Palmula LEA 1833 non ALBRIGHT, GILLETTE & TITUS, 2007a
Etymology: Latin for 'blade of an or"' in reference to plesiosaur paddles.

Species: quadratus ALBRIGHT, GILLETTE & TITUS, 2007a
Etymology: Latin for "square" in reference to the equi-dimensional shape of, particularly, the radius and tibia.

Holotype: MNA V9942

Locality: MNA LOC 1494, Grand Staircase-Escalante National Monument, Kane County, Utah.

Horizon: Tropic Shale, Approximately 18 m above local top of Dakota Formation, approximately 12.3 m above top of Bentonite B, 1.7 m below top of Bentonite C.

Biostratigraphy: Middle to upper part of the Pseudaspidoceras flexuosum Amonoid Biozone.

Age: Earliest Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material: Anterior part of rostrum, anterior part of mandible, fragment of articular, fragment of occipital condyle, partial right coracoid, parital right scapula, complete right forelimb, right and left ilium, right adn left pubis, right and left ischium, complete right hindlimb, 1 cervical, 19 dorsal, 3 sacral and 11 caudal vertebrae and ribs.