• 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 (1,841 words) - 19:59, 18 November 2024
  • 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) - 04:55, 11 November 2024
  • 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) - 03:13, 11 March 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) - 19:16, 1 May 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 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 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 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
  • 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
  • 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) - 09:11, 18 November 2024
  • 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) - 00:35, 24 April 2025
  • 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 (1,857 words) - 11:15, 1 January 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 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) - 04:41, 12 February 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) - 06:33, 18 November 2024
  • 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
  • Thumbnail for Stagodontidae
    (2017) considered the species Eobrasilia coutoi from the early Eocene (Itaboraian) of Brazil to be a stagodontid; if confirmed it would make it the only...
    9 KB (890 words) - 23:51, 31 March 2024
  • 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
  • Depaulacoutoia Nom. nov Junior homonym Cifelli & Ortiz-Jaureguizar Paleogene (Itaboraian) Itaboraí Formation  Brazil A didolodontid "condylarth"; a replacement...
    107 KB (6,163 words) - 20:24, 2 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) - 15:43, 3 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 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
  • 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
  • Thumbnail for Xenopus
    Group, Yemen †Xenopus hasaunus Spinar 1980 †Xenopus romeri Estes 1975 - Itaboraian Itaboraí Formation, Brazil †Xenopus stromeri Ahl 1926 cf. Xenopus sp....
    52 KB (5,807 words) - 02:44, 2 August 2024
  • 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) - 10:37, 25 April 2025
  • American land mammal ages (SALMA). It follows the Peligran and precedes the Itaboraian age. This age is named after the Río Chico Group of the Golfo San Jorge...
    21 KB (1,224 words) - 20:18, 18 November 2024
  • metatherians from the Paleogene of Itaboraí (Brazil): systematics and age of the Itaboraian SALMA". Revista Brasileira de Paleontologia. 14 (2): 105–136. doi:10.4072/rbp...
    61 KB (3,946 words) - 12:48, 8 April 2025
  • local wildfire incidence. In South America, the EECO coincided with the Itaboraian South American Land Mammal Age. Cingulates diversified over the course...
    40 KB (4,249 words) - 21:29, 6 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