• Thumbnail for 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...
    38 KB (1,847 words) - 05:35, 2 June 2025
  • Thumbnail for Cerrejón Formation
    Cerrejón Formation (category Itaboraian)
    Alluvial-lacustrine Alluvial-fluvial Fluvio-lacustrine Lacustrine Fluvial Fluvio-deltaic Itaboraian volcanoclastics Itaboraian fauna Itaboraian flora Volcanic Yes...
    29 KB (2,371 words) - 20:39, 27 May 2025
  • Thumbnail for Carodnia
    Carodnia (category Itaboraian)
    Patagonia, are known from only a few dental remains. C. vieirai (from the Itaboraian SALMA of Itaborai) is known from much more complete dental, cranial, and...
    14 KB (777 words) - 03:49, 29 April 2025
  • Thumbnail for Paucituberculata
    Miocene epochs. The earliest paucituberculatans date to the late Paleocene (Itaboraian South American land mammal age). The group went through a pronounced decline...
    15 KB (944 words) - 14:00, 5 June 2025
  • Thumbnail for Xenungulata
    American hoofed mammals that lived from the Late Paleocene to Early Eocene (Itaboraian to Casamayoran in the SALMA classification). Fossils of the order are...
    9 KB (677 words) - 09:22, 18 November 2024
  • Thumbnail for Itaboraí Formation
    Itaboraí Formation (category Itaboraian)
    reaching a thickness of 100 metres (330 ft) is the defining unit for the Itaboraian South American land mammal age (SALMA), dating to the Early Eocene, approximately...
    54 KB (3,766 words) - 22:03, 23 May 2025
  • Thumbnail for Titanoboa
    Titanoboa (category Itaboraian)
    Titanoboa Temporal range: Mid-Late Paleocene (Peligran-Itaboraian) ~60–58 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Paratype dorsal vertebra of T. cerrejonensis...
    30 KB (3,391 words) - 13:45, 23 May 2025
  • Thumbnail for Madtsoia
    Madtsoia (category Itaboraian)
    Formation, Madagascar Eocene Casamayoran Sarmiento Formation, Argentina Itaboraian Las Flores Formation, Argentina and Itaboraí Formation, Brazil Mohabey...
    6 KB (388 words) - 15:05, 2 April 2025
  • Thumbnail for Trigonostylops
    Trigonostylops (category Itaboraian)
    American meridiungulatan ungulate, from the Late Paleocene to Late Eocene (Itaboraian to Tinguirirican in the SALMA classification) of South America (Argentina...
    8 KB (466 words) - 02:20, 27 May 2025
  • South American land mammal age (SALMA) classification. It follows the Itaboraian and precedes the Mustersan age. Several astrapotherian mammals are known...
    35 KB (1,988 words) - 08:03, 6 January 2025
  • Paleopsilopterus (category Itaboraian)
    Eocene (approximately 53 to 50 million years ago), specifically within the Itaboraian South American Land Mammal Age. Fossils of the only known species, Paleopsilopterus...
    2 KB (161 words) - 07:45, 4 May 2025
  • Thumbnail for Bogotá Formation
    Bogotá Formation (category Itaboraian)
    Alluvial-lacustrine Alluvial-fluvial Fluvio-lacustrine Lacustrine Fluvial Fluvio-deltaic Itaboraian volcanoclastics Itaboraian fauna Itaboraian flora Volcanic Yes...
    27 KB (2,082 words) - 20:38, 27 May 2025
  • Thumbnail for Isotemnidae
    notoungulate mammals known from the Paleocene (Las Flores Formation, Itaboraian) to Middle Miocene (Honda Group, Laventan) of South America. McKenna,...
    2 KB (126 words) - 12:22, 19 April 2025
  • Thumbnail for Phorusrhacidae
    Rio Negro Province, Argentina. Genus ?Paleopsilopterus – Lower Eocene (Itaboraian) Itaboraí Formation of Itaboraí, Brazil (identity as a phorusrhacid dubious)...
    52 KB (5,139 words) - 05:53, 26 May 2025
  • Clarkforkian North American land mammal ages, the Riochican and part of the Itaboraian South American land mammal ages and the upper Nongshanian and Gashatan...
    9 KB (800 words) - 11:08, 20 December 2024
  • Laguna del Hunco Formation (category Itaboraian)
    Laguna del Hunco, Tufolitas Laguna del Hunco) is a localized Early Eocene (Itaboraian in the SALMA classification) fossiliferous geological formation of the...
    23 KB (1,836 words) - 17:09, 5 June 2025
  • Thumbnail for Notioprogonia
    Henricosborniids such as Henricosbornia and Othnielmarshia from the late Paleocene (Itaboraian-Casamayoran SALMA) have generalized, low-crowned teeth with the dental...
    6 KB (517 words) - 12:22, 19 April 2025
  • Thumbnail for Itaboraí
    conservation units, created later in 2006. The city is the namesake of the Itaboraian period. Cabuçu IBGE 2022 "Itaboraí - Guia do cidade Itaboraí -RJ Aqui...
    7 KB (553 words) - 01:36, 9 March 2025
  • Tiffanian North American Land Mammal Age, the Peligran, Tiupampan and lower Itaboraian South American Land Mammal Ages and part of the Nongshanian Asian Land...
    11 KB (982 words) - 22:03, 23 February 2025
  • Apodops (category Itaboraian)
    Apodops Temporal range: Early Eocene (Itaboraian) ~53–50 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Scientific classification Domain: Eukaryota Kingdom: Animalia...
    2 KB (205 words) - 17:51, 26 May 2025
  • Formation and Mustersan Geste Formation of Argentina, Epidolops of the Itaboraian Las Flores Formation of the Golfo San Jorge Basin, Polydolops from Eocene...
    10 KB (1,058 words) - 03:24, 6 January 2025
  • eastern United States Wasatch Formation of the western United States Itaboraian formations Itaboraí Formation of Brazil Laguna del Hunco Formation of...
    7 KB (403 words) - 21:17, 23 May 2025
  • but had similar teeth. Victorolemoinea lived during the Riochican and Itaboraian South American land mammal ages, which date to the Ypresian age of the...
    11 KB (1,042 words) - 19:43, 23 May 2025
  • Thumbnail for Astrapotheria
    Paleocene-Eocene, and Astrapotheriidae from the Eocene-Miocene. The Brazilian, Itaboraian Tetragonostylops and the Argentinian, Riochican Eoastrapostylops are the...
    21 KB (1,789 words) - 07:13, 22 March 2025
  • Thumbnail for Cuchara Formation
    Cabra Hannold Hill Coalmont Cuchara Galisteo San Jose Ypresian (IUCS) • Itaboraian (SALMA) Bumbanian (ALMA) • Mangaorapan (NZ) Basin Powder River Uinta Piceance...
    16 KB (72 words) - 17:36, 31 May 2025
  • Thumbnail for Sparassodonta
    Eocene, Barrancan SALMA) Patene simpsoni (late Paleocene/early Eocene, Itaboraian SALMA) Genus Procladosictis Procladosictis anomala (late Eocene, Mustersan...
    63 KB (6,457 words) - 23:29, 22 May 2025
  • Corallus priscus (category Itaboraian)
    Corallus priscus Temporal range: Early Eocene (Itaboraian) ~53–50 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Scientific classification Domain: Eukaryota Kingdom:...
    1 KB (91 words) - 06:53, 18 November 2024
  • Cabra Hannold Hill Coalmont Cuchara Galisteo San Jose Ypresian (IUCS) • Itaboraian (SALMA) Bumbanian (ALMA) • Mangaorapan (NZ) Basin Powder River Uinta Piceance...
    51 KB (2,958 words) - 21:35, 31 May 2025
  • Thumbnail for Sudamerica
    Sudamerica (category Itaboraian)
    Sudamerica, literally "South America" in Spanish, is a genus of mammal from the extinct suborder Gondwanatheria that lived in Patagonia, Argentina (Salamanca...
    3 KB (235 words) - 20:55, 30 March 2025
  • Thumbnail for Henricosbornia
    Henricosbornia (category Itaboraian)
    Henricosbornia is an extinct genus of henricosborniid notoungulate that lived from the Late Paleocene to the Middle Eocene of what is now Argentina and...
    6 KB (499 words) - 12:20, 19 April 2025