Itaboraian

Etymology
From, specifically referring to the (Formação Itaboraí), which is near the city of , Brazil.

Proper noun

 * 1)  A geologic age, 53.0–50.0 mya and within the Ypresian (Early Eocene), whose stratotype is the ; used especially in the context of  (SALMA) classification.
 * 2) * 2013, Richard A. Fariña, Sergio F. Vizcaíno, Gerry De Iuliis, Megafauna: Giant Beasts of Pleistocene South America,, page 85,
 * The Panriochican Subcycle includes two ages, the Itaboraian and the Riochican, summarized below.
 * The Panriochican Subcycle includes two ages, the Itaboraian and the Riochican, summarized below.

Adjective

 * 1)  Of, pertaining to or occurring within the Itaboraian age.