Genus: Ibirania NAVARRO, GHILARDI, AURELIANO, DIEZ DIAZ, BANDEIRA, CATTARUZZI, IORI, MARTINE, CARVALHO, ANELLI, FERNADES & ZAHER, 2022
Etymology: In reference to the Ibira municipality in which the speicmen was found and Greek, plania (ania), "wander". The name Ibira is a POrtuguese derivative from the Tupi word "ybyra", which means "tree" or "wood." Thus, the name fothis new genus , means "Ibria wanderer" or Tree wanderer" in allusion to its browser feeding behaviour.

Species: parva NAVARRO, GHILARDI, AURELIANO, DIEZ DIAZ, BANDEIRA, CATTARUZZI, IORI, MARTINE, CARVALHO, ANELLI, FERNADES & ZAHER, 2022
Etymology: Latin, parvus (feminine substantive parva), "small or little", in reference to the nanism exhibited by this form.

Holotype: LPP-PV-0200 to -0207

Locality: Sitio dos Irmaos Garcia (Barcia Brothers Farm, near Washington Luis Sate Highway (Sp-310), Vila Ventura, Ibira Municipality, northeastern Sao Paulo State, Brazil.

Horizon: Sao Jose do Rio Preto Formation.

Biostratigraphy:

Age: Late Santonian to Early Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Breakdown as follows;

LPP-PV-0200: Posterior dorsal vertebra.

LPP-PV-0201: Distal half of a metacarpal.

LPP-PV-0202: Ulna.

LPP-PV-0203: Fragmentary radius.

LPP-PV-0204: Partial anterior caudal centra.

LPP-PV-0205: Popsterior caudal centra.

LPP-PV-0206: Partial neural arch of a mid-caudal vertebra.

LPP-PV-0207: Nearly complete metatarsal.

Referred material:

Locality: Altimetric height equals 493 m, from outcrops around Vila Ventura District, near Washington Luis Sate Highway (Sp-310), Vila Ventura, Ibiar Municipality, northeastern Sao Paulo State, Brazil.

Note: GPS coordinates of these localities are deposited in thir respecitive collections (LPP, MPMA and MPPC) and are available upon request.

Horizon: Sao Jose do Rio Preto Formation.

Biostratigraphy:

Age: Late Santonian to Early Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

LPP-PV-0043: Diaphyseal fragments of a fibula.

MPPC 02-012: Fragmentary cervical centrum.

MPPC 00-023, 02-013: 2 partial neural arches of probable anterior dorsal vertebrae.

MPPC 02-005: Mid-dorssal centra.

MPMA 08-049/02: Posteriormost cervical vertebra.

MPMA 08-0050/01: Partial anterior dorsal vertebra.

MPMA 08-0060/97: Complete mid-caudal vertebra.

MPMA 09-0001/99: Nearly complete fibula.