Itaboraian

English

Etymology

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

Proper noun

Itaboraian

1. (geology, paleontology) A geologic age, 53.0–50.0 mya and within the Ypresian (Early Eocene), whose stratotype is the Itaboraí Formation; used especially in the context of South American land mammal age (SALMA) classification.
   • 2012, John J. Flynn, Reynaldo Charrier, Darin A. Croft, Andre R. Wyss, “Cenozoic Andean Faunas”, in Bruce D. Patterson, Leonora P. Costa, editors, Bones, Clones, and Biomes, University of Chicago Press, page 62:

     Carodnia is known only from the Itaboraian in both Patagonia, where it was first discovered, and Brazil, where it is better represented.

   • 2013, Richard A. Fariña, Sergio F. Vizcaíno, Gerry De Iuliis, Megafauna: Giant Beasts of Pleistocene South America, University of Indiana Press, page 85,

     The Panriochican Subcycle includes two ages, the Itaboraian and the Riochican, summarized below.

Translations

geologic age

Adjective

Itaboraian (not comparable)

1. (geology, paleontology) Of, pertaining to or occurring within the Itaboraian age.

Translations

pertaining to or occurring within the Itaboraian age

Further reading

• South American land mammal age on Wikipedia.Wikipedia