Genus: Adeopapposaurus MARTINEZ, 2009
Etymology: Latin, Adeo, "far," Latin, pappo, "eating" and Latin, saurus, "lizard": The name referes to the long neck charactersitic of this taxon.

Species: mognai MARINEZ, 2009
Etymology: In reference to the locality of Mogna in San Juan Province, Argentina, where the material was found.
= Genus: Nova MILANA, MARTINEZ, & ALCOBER, 1995
= Massospondylus species nova? MARTINEZ, 1999
= Genus: Nova MARTINEZ, ALCOBER, FERANDEZ, TROTTEYN, COLOMBI & HEREDIA, 2004
= Prosauropoda indeterminate WEISHAMPEL, BARRETT, CORIA, LE LOEUFF, XU, ZHAO, SAHNI, GOMANI & NOTO, 2004

Holotype: PVSJ610

Locality: From outcrops situated in southwestern Sierra de Mogna, San Juan Province, Argentina.

Horizon: 148m from the base of the formation, Upper Pelitic Member, Canon del Colorado Formation.

Biostratigraphy:

Age: Hettangian to Pliensbachian Stage, Middle Lias Epoch, Early Jurassic.

Material: An incomplete skeleton including complete skull with mandible in occulusion, complete cervical, dorsal and sacral vertebrae, 9 articulated caudal vertebrae with corresponding chevrons, pectoral girdles, forelimbs, incomplete pelvic girdle and incomplete hind limbs.

Adeopapposaurus mognai skull after MARTINEZ, 2009. Top dorsal and bottom lateral views.

Adeopapposaurus mognai skeleton modified from MARTINEZ, 2009.

Referred material:

PVSJ568: Partial skeleton consisting of partially articulated skull, atlas-axis complex, four articualted caudal vertebrae, presumablye 10th to 13th, fragmetns of indeterminate veterbral bodies, distal end of right femur, tibia, fibula, astragalus, calcaneum, distal tarsals III and IV and articiculated right hind foot.

PVSJ570: Rigth and left humerii, left with only proximal posterior border, and centrum of 2nd sacral vertebra.

 

Locality: From outcrops situated in southwestern Sierra de Mogna, San Juan Province, Argentina.

Horizon: 10m from the below the formation, Upper Pelitic Member, Canon del Colorado Formation.

Biostratigraphy:

Age: Early Jurassic.

Material:

PVSJ569: Partial skeleton, smaller than the holotype, consisting of 2nd and 3rd sacral vertebrae without neural spines, 6 sacral ribs, sequence of first 46 caudal vertebrae, articulated, incomplete pelvis, lacking part of right ilium and pubis, hindlimbs lacking right tibia and the full complement for right phalanges.