Genus: Haasiasaurus POLCYN, TCHERNOV & JACOBS, 2003
Etymology: In honor of Georg Haas, for his many contributions to paleontology, and Greek, sauros, "lizard": Georg Haas’s lizard.
= Haasia POLYCN, TCHERNOV & JACOBS, 1999 non BOLLMAN, 1893 (Haasia troglodytes, subgenus of Myriapoda, Crachnida), non YUAN, 1988 (Haasia wildungensis, Proetidae, Trilobite)
Etymology: In honor of Georg Haas, for his many contributions to paleontology.

Species: gittelmani (POLYCN, TCHERNOV & JACOBS, 1999) POLCYN, TCHERNOV & JACOBS, 2003
Etymology: In honor of Steven H. Gittelman, in recognition of his visions and selfless efforts on behalf of the science of paleontology.
= Haasia gittelmani POLYCN, TCHERNOV & JACOBS, 1999

Holotype: EJ693

Locality: ‘Ein Yabrud quarrys, approximately 20km north of Jerusalem, West Bank, Israel.

Horizon:

Biostratigraphy:

Age: Lower Cenomanian Stage, Gallic Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material: A block containing a virtually complete left mandible, quadrate, and skull fragments.

Referred material:

EJ694: Block containing the posterior region of the left mandible and fragments of the anterior region as well as maxillary and skull fragments.

EJ696: Block containing a partial semi-articulated postcranial skeleton.

EJ697: 8 articulated posterior dorsal vertebrae with ribs.

EJ700: Complete hind limb including pes in block.

EJ701: 6 associated semi-articulated posterior cervical and anterior dorsal vertebrae.

EJ703: Articulated caudal vertebrae.

EJ704: 5 middle to anterior dorsal vertebrae.

EJ705: 2 articulated posterior cervical vertebrae.

Unnumbered: 2 mid-dorsal? vertebrae.