About 10 results for Río Loro Formation
en.wikipedia.org › Río_Loro_Formation

Río Loro Formation

The Río Loro Formation is a geological formation of the Sierras Pampeanas in Tucumán Province Argentina whose strata date back to the Late Paleocene of the Paleogene, or Riochican in the SALMA classification. The formation has been deposited in a...

Updated: June 5, 2025
en.wikipedia.org › Lorosuchus

Lorosuchus

Lorosuchus is an extinct genus of sebecid mesoeucrocodylian known from the Río Loro Formation in Tucumán Province of northwestern Argentina.

Updated: August 3, 2025
en.wikipedia.org › Riochican

Riochican

The Riochican (Spanish: Riochiquense) age is a period of geologic time within the early Eocene epoch of the Paleogene, used more specifically within the South American land mammal ages (SALMA) system. This age is named after the Río Chico Group of...

Updated: June 8, 2026
en.wikipedia.org › Itaboraian

Itaboraian

The Itaboraian (Portuguese: Itaboraiense) age is a period within the Early Eocene geologic time (53.0–50.0 Ma) epoch of the Paleogene, used more specifically with South American land mammal ages (SALMA). It follows the Riochican and precedes the...

Updated: April 27, 2026
en.wikipedia.org › Bretesuchus

Bretesuchus

Bretesuchus is an extinct genus of sebecosuchian mesoeucrocodylian within the family Sebecidae known from northwestern Argentina. It was a large apex predator (total length approximately 4 m).

Updated: June 6, 2026
en.wikipedia.org › Amilnedwardsia

Amilnedwardsia

Amilnedwardsia is a genus of extinct ungulates in the family Macraucheniidae. The type species is Amilnedwardsia brevicula which lived between 47.8 and 38.0 million years ago in modern-day Argentina.

Updated: July 20, 2026
en.wikipedia.org › Sebecidae

Sebecidae

Sebecidae is an extinct family of prehistoric terrestrial sebecosuchian crocodylomorphs, known from the Late Cretaceous and Cenozoic of Europe, South America and the Caribbean. They were the latest surviving group of non-crocodilian crocodylomorphs....

Updated: August 27, 2026
en.wikipedia.org › 2011_in_archosaur_paleontology

2011 in archosaur paleontology

The year 2011 in archosaur paleontology was eventful. Archosaurs include the only living dinosaur group — birds — and the reptile crocodilians, plus all extinct dinosaurs, extinct crocodilian relatives, and pterosaurs. Archosaur palaeontology is...

Updated: April 25, 2026
en.wikipedia.org › South_American_land_mammal_age

South American land mammal age

The South American land mammal ages (SALMA) establish a geologic timescale for prehistoric South American fauna beginning 64.5 Ma during the Paleocene and continuing through to the Late Pleistocene (0.011 Ma). These periods are referred to as ages,...

Updated: August 24, 2026
en.wikipedia.org › Sebecosuchia

Sebecosuchia

Sebecosuchia (meaning "Sobek crocodiles") is an extinct group of mesoeucrocodylian crocodyliforms that includes the families Sebecidae and Baurusuchidae. The group was long thought to have first appeared in the Late Cretaceous with the baurusuchids,...

Updated: October 5, 2026