Species: huizachalensis REYNOSO, 1996
Etymology: Huizachal, = place of mesquites, nahuatal, In reference to the name of the canyon where the taxon was found.

Holotype: Cat. No. IGM 6652

Locality: Huizachal Canyon, Municipio de Ciudad Victoria, Tamaulipas State, Mexico.

Horizon: Lower part of the La Boca Formation.

Biostratigraphy:

Age: Middle Jurassic.

Material: Dental portion of the right dentary with the complete tooth row.

Hypodigm:

IGM 6653: Posterior right dentary.

IGM 6654: Anterior portion of a right maxilla.

IGM 6655: Middle portion of a right maxilla.

IGM 6656: Anterior portion of a right dentary.

IGM 6657: Anterior portion of a right dentary.

IGM 6658: Symphysial region of a right dentary.

IGM 6659: Anterior part of a left dentary.

IGM 6660: Posterior part of a left dentary with coronoid process.

16 incomplete lower jaws.

IGM 6661: Distal part of the right premaxilla.

IGM 6662: Mid-caudal vertebra.

IGM 6663: Lateral fragment of a mid-caudal vertebra.

IGM 6664: Anterior caudal vertebra.

IGM 6665: Proximal portion of a mid-caudal vertebra.