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Extinct genus of reptiles
caimans that lived in the Americas during the Miocene epoch, from the Friasian to the Huayquerian in the SALMA classification. It is known from skull
Purussaurus
South American land mammal age (SALMA)
The Friasian age is a period of geologic time (16.3–15.5 Ma) within the Early Miocene epoch of the Neogene, used more specifically within the SALMA classification
Friasian
South American land mammal age (SALMA)
classification in South America. It follows the Colhuehuapian and precedes the Friasian age. The age is named after the Santa Cruz Formation in the Austral/Magallanes
Santacrucian
Sedimentary basin in Patagonia, South America
basin; the Early Miocene Santacrucian from the Santa Cruz Formation and Friasian from the Río Frías Formation and the Pleistocene Ensenadan from the La
Magallanes_Basin
First epoch of the Neogene Period
Camfieldian Barstovian Tinderetian Langhian Colloncuran Orleanian (MN 3-5) Friasian Burdigalian Hemingfordian Santacrucian Shanwangian Kisingirian Wipajirian
Miocene
Extinct genus of ground sloths
Hirschfeld SE. 1985. Ground sloths from the Friasian La Venta Fauna, with additions to the pre-Friasian Coyaima Fauna of Colombia, South America. University
Prepotherium
Extinct genus of mammals
Notoungulata. Fossils of Homalodotherium have been found in the Middle Miocene (Friasian in the SALMA classification) Santa Cruz Formation of Argentina and the
Homalodotherium
Extinct species of bird
Paraptenodytes brodkorbi Temporal range: Early Miocene (Deseadan-Friasian) ~23.03–15.97 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom:
Paraptenodytes_brodkorbi
Geological formation in Colombia
to the Neogene period; Burdigalian to Langhian stages, Colloncuran and Friasian in the SALMA classification, and has a maximum thickness of 440 metres
Castilletes_Formation
Extinct genus of notoungulates
hegetotheriid notoungulate from the Early to Middle Miocene (Colhuehuapian-Friasian in the SALMA classification) of Argentina and Chile. Fossils of this genus
Pachyrukhos
Extinct genus of litopterns
Theosodon is an extinct genus of litoptern mammal from the Early to Middle Miocene of South America. Theosodon was long-legged with a long neck resembling
Theosodon
Period of geologic time within the Middle Miocene epoch
specifically within the SALMA classification in South America. It follows the Friasian and precedes the Laventan age. The age is named after the Collón Curá Formation
Colloncuran
Extinct order of mammals
Cladosictis patagonica (late early to earliest middle Miocene, Santacrucian-Friasian SALMA) Genus Notictis Notictis ortizi (latest Miocene, Huayquerian SALMA)
Sparassodonta
Extinct family of rodents
Patterson (1959). Fossils of the family were found in the Colhuehuapian to Friasian Pinturas, Sarmiento, Santa Cruz, Río Jeinemeiní and Collón Curá Formations
Eocardiidae
Geological formation in Brazil, Colombia, Ecuador and Peru
The Pebas Formation is a lithostratigraphic unit of Miocene age, found in western Amazonia. The formation extends over 1,000,000 square kilometres (390
Pebas_Formation
Extinct genus of gavialoid crocodilian
Gryposuchus (meaning "hooked crocodile") is an extinct genus of gavialid crocodilian. Fossils have been found from Argentina, Colombia, Venezuela, Brazil
Gryposuchus
Extinct genus of reptiles
upper Parángula Formation, dated to the lower middle Miocene, possibly the Friasian South American Land Mammal Age. While attempting to remove the specimen
Barinasuchus
Extinct genus of birds
tree-dwelling species. This change happened progressively during the earlier Friasian stage. The transition towards more arid landscapes would have happened
Kelenken
Extinct marsupial-like mammal
and premolars changing. Fossils of Prothylacinus have been found in the Friasian Río Frias Formation of Chile and the Santacrucian Santa Cruz Formation
Prothylacynus
Extinct genus of ground sloths
Hapalops is an extinct genus of ground sloth from the Early to Late Miocene of Brazil (Solimões Formation), Bolivia (Honda Group), Colombia (Honda Group)
Hapalops
Extinct genus of mammals
Peltephilus, the horned armadillo, is an extinct genus of armadillo xenarthran mammals that first inhabited Argentina during the Oligocene epoch, and became
Peltephilus
Extinct genus of birds
Phorusrhacos (meaning "bearer of scars" or "bearer of wrinkles") is an extinct genus of phorusrhacid, a group of predominantly large, predatory flightless
Phorusrhacos
Fossil locality in Colombia
Hirschfeld, and L. G. Marshall. Revised faunal list of the La Venta fauna (Friasian-Miocene) of Colombia, South America. Journal of Paleontology; May 1976;
La_Venta_(Colombia)
Extinct genus of mammals
Protamandua is an extinct genus of anteaters. Its closest living relatives are the giant anteater (Myrmecophaga tridactyla) and tamanduas (genus Tamandua)
Protamandua
Extinct genus of mammals
Prosqualodon is an extinct genus of Early to Middle Miocene cetacean from Argentina, Australia, New Zealand, and Venezuela. Prosqualodon was related to
Prosqualodon
Extinct genus of birds
Brontornis is an extinct genus of giant bird that inhabited Argentina during the Early to Middle Miocene. Its taxonomic position is highly controversial
Brontornis
Extinct genus of reptiles
Siquisiquesuchus (meaning "Siquisique crocodile" after the town in Lara, Venezuela, near where the first described specimens were found) is an extinct
Siquisiquesuchus
Extinct genus of ground sloths
Hiskatherium is an extinct genus of small ground sloth from the Middle Miocene (Friasian to Mayoan) Honda Group of Bolivia. The type species H. saintandrei was
Hiskatherium
Extinct genus of ground sloths
213–226. Marshall, Larry G. (1990-01-01). "Fossil marsupialla from the type Friasian Land Mammal Age (Miocene), Alto Rio Cisnes, Aisen, Chile". Andean Geology
Neonematherium
Extinct genus of monkey
Homunculus (Latin: [hɔˈmʊŋkʊlʊs]; "little person") is an extinct genus of New World monkey that lived in Patagonia during the Miocene. Two species are
Homunculus_(genus)
Extinct genus of reptiles
Victoria Formation of the Honda Group in Colombia and date back to the Friasian and Laventan regional South American land mammal ages of the Middle Miocene
Balanerodus
Extinct genus of birds
Patagornis is a genus of phorusrhacid ("terror bird"), an extinct clade of flightless birds, that lived in present-day Argentina during the Miocene age
Patagornis
Sedimentary formation in Chile
Tinguirirican South American land mammal age (SALMA), together with the Friasian named after the Río Frías Formation of the Aysén Region, the only ages
Abanico_Formation
Extinct species of bird
Palaeospheniscus bilocular Temporal range: Early Miocene (Colhuehuapian-Friasian) ~20.43–15.97 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification
Palaeospheniscus_bilocular
Extinct, aquatic ground sloth from South America
Megatheriidae. Thalassocninae may have diverged from Megatheriinae during the Friasian age of the Miocene around 16 mya. However, a 2018 analysis retains Thalassocninae
Thalassocnus
Extinct genus of rodents
Perimys is an extinct genus of neoepiblemid rodent that lived from the Early to Late Miocene in what is now South America. Fossils have been found in the
Perimys
in South America and the Caribbean Divisaderan Deseadan Hemingfordian & Colhuehuapian Santacrucian-Friasian Laventan Huayquerian Pleistocene Holocene
List of fossil primates of South America
List_of_fossil_primates_of_South_America
Extinct marsupial-like mammal genus
Lycopsis is an extinct genus of South American metatherian that lived during the Miocene in Argentina and Colombia. Although not named until 1927, Florentino
Lycopsis
Extinct genus of mammals
Astrapotherium ("lightning beast") is an extinct genus of large astrapotherian ungulate native to South America during the early-middle Miocene. It is
Astrapotherium
Extinct genus of birds
Opisthodactylus is an extinct genus of rheiform bird from the Early to Middle Miocene Santa Cruz and Chichinales Formations and the Late Miocene (Montehermosan)
Opisthodactylus
Cura-Mallín Group (Spanish: Grupo Cura-Mallín) is a heterogeneous group of volcano-sedimentary formations of Oligocene-Miocene age, Colhuehuapian to Laventan
Cura-Mallín_Group
Extinct genus of ground sloth
in the Americas, primarily among the Santacrucian (17.5–16.3 mya) and Friasian (16.3–15.5) sites of Argentina, Uruguay, Venezuela, and Brazil. Extensive
Ortotherium
Geological formation in Argentina
used in South America as subdivision for the Cenozoic, follows on the Friasian age, defined from the Chilean Río Frías Formation of the Aysén Basin and
Collón_Curá_Formation
Extinct genus of ground sloths
Hirschfield, Sue Ellen (1985). "Ground Sloths from the Friasian la Venta Fauna: With Additions to the Pre-Friasian Coyaima Fauna of Colombia, South America". University
Magdalenabradys
Extinct genus of litopterns
Adianthus Temporal range: Early-Middle Miocene (Colhuehuapian-Friasian) ~20–16 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia
Adianthus
Extinct genus of sloth
in the Americas, primarily among the Santacrucian (17.5–16.3 mya) and Friasian (16.3–15.5) sites of Argentina, Uruguay, Venezuela, and Brazil. Extensive
Eucholoeops
Extinct family of rodents
The Neoepiblemidae are an extinct family of hystricognath rodents from South America. The genera Dabbenea and Perumys are now included in Phoberomys. The
Neoepiblemidae
Laventan Socorro Formation Laventan Parángula Formation Friasian Río Yuca Formation Santacrucian-Friasian Cantaure Formation Santacrucian Chaguaramas Formation
List of fossiliferous stratigraphic units in Venezuela
List_of_fossiliferous_stratigraphic_units_in_Venezuela
Extinct genus of mammals
Parapropalaehoplophorus is an extinct genus of comparatively small (compared to Glyptodon) species of glyptodont, extinct relatives of the modern armadillo
Parapropalaehoplophorus
Geological formation in Patagonia
Cruz Formation Stratigraphic range: Burdigalian-Langhian (Santacrucian-Friasian) ~18–15.2 Ma PreꞒ Ꞓ O S D C P T J K Pg N Type Geological formation Sub-units
Santa_Cruz_Formation
Extinct genus of notoungulates
Hegetotherium is a small to middle-sized extinct genus of mammals, ranging from the size of rabbit (about 20-30 cm/12-16") to a beaver (about 3 ft/1 m)
Hegetotherium
Extinct genus of crocodylians
Sacacosuchus is an extinct monospecific genus of marine gavialid that lived along the coast of the south-east Pacific from approximately 19 to 6.3 million
Sacacosuchus
The Viche Formation is a Langhian (Friasian to Colloncuran in the SALMA classification) geologic formation of the Borbón Basin in northwestern Ecuador
Viche_Formation
Extinct genus of mammals
Adinotherium (meaning "not terrible beast") is an extinct genus of toxodontid, large bodied hoofed ungulates which inhabited South America during the Middle
Adinotherium
Extinct genus of notoungulates
Interatherium is an extinct genus of interatheriid notoungulate that lived from the Early to Middle Miocene (Colhuehuapian-Mayoan). Fossils of this genus
Interatherium
Extinct genus of reptiles
Mourasuchus Temporal range: Mid-Late Miocene (Friasian-Huayquerian), 16–5.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N Holotype skull of M. pattersoni Size comparison
Mourasuchus
Geologic formation in western Patagonia
(Spanish: Río Cisnes). Marsupial fossils have been found in the formation. The Friasian period in the South American Land Mammal Ages is named after the formation
Río_Frías_Formation
Extinct genus of litopterns
Diadiaphorus is an extinct genus of litoptern mammal from the Miocene of Argentina (Ituzaingó, Pinturas, Chiquimil and Santa Cruz Formations) and Bolivia
Diadiaphorus
Extinct genus of birds
Paraptenodytes is an extinct genus of penguins which contains two or three species sized between a Magellanic penguin and an emperor penguin (Aptenodytes
Paraptenodytes
Extinct genus of mammals
an extinct genus of river dolphins from the Early Miocene (Deseadan to Friasian in the SALMA classification). The type species is H. raimondii, found in
Huaridelphis
374.5 ± 2.6 age Devonian ICS Frasne (Belgium) d'Omalius d'Halloy, 1862 Friasian 16.3 15.5 age Miocene South America Kraglievich, 1930 Fujian 11.1 9.5 age
List_of_geochronologic_names
Extinct species of bird
Palaeospheniscus bergi is a species of the extinct penguin genus Palaeospheniscus. It stood about 60 to 75 centimetres (24 to 30 in) high in life, or somewhat
Palaeospheniscus_bergi
Extinct genus of litopterns
Tetramerorhinus is an extinct genus of proterotheriid litoptern that lived during the Early and Middle Miocene in what is now Argentina and Peru. This
Tetramerorhinus
Geologic timescale for prehistoric South American fauna
Alto Río Cisnes Fossil Fauna (Río Frías Formation, Early-Middle Miocene, Friasian SALMA): A keystone and paradigmatic vertebrate assemblage of the South
South American land mammal age
South_American_land_mammal_age
Extinct genus of notoungulates
tree-dwelling species. This change happened progressively during the earlier Friasian stage. The transition towards more arid landscapes would have happened
Protypotherium
Extinct genus of mammals
Borhyaena Temporal range: Early-Middle Miocene (Colhuehuapian-Friasian) ~21.0–15.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N Aqu. Burdig. Lan. Ser. Tortonian M Z
Borhyaena
Extinct species of bird
Palaeospheniscus gracilis Temporal range: Early Miocene (Colhuehuapian-Friasian) ~20.43–15.97 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification
Palaeospheniscus_gracilis
Extinct genus of astrapothere
Xenastrapotherium Temporal range: Mid-Late Miocene (Friasian-Huayquerian) ~16–6.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N Mandible of X. kraglievichi, Honda Group
Xenastrapotherium
Extinct genus of mammals
Propalaehoplophorus Temporal range: Early Miocene (Santacrucian-Friasian) ~17.5–15.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N Propalaeohoplophorus minor Scientific
Propalaehoplophorus
Extinct genus of South American metatherian mammals
Cladosictis Temporal range: Early-Mid Miocene (Colhuehuapian-Friasian) ~21.0–15.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N A lower jaw fragment of Cladosictis lustratus
Cladosictis
Extinct genus of reptiles
Kuttanacaiman Temporal range: Middle Miocene (Friasian-Mayoan) ~15.97–11.608 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia
Kuttanacaiman
Extinct genus of birds
Liptornis Temporal range: Mid Miocene (Friasian-Laventan) ~15.97–11.6 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum:
Liptornis
Extinct genus of notoungulates
Nesodon Temporal range: Early Miocene (Deseadan-Friasian) ~23.03–15.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N Nesodon imbricatus skeleton Nesodon imbricatus skull
Nesodon
Montehermosan Palo Pintado Chasicoan Laventan Angastaco Friasian Friasian Metán Jesús María Friasian Anta Early Miocene Río Seco Priabonian Los Colorados
Salta_Basin
Extinct genus of astrapotheriid mammals
Hilarcotherium Temporal range: Mid Miocene (Friasian-Laventan) ~15.5–11.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N The holotype skull of H. castanedaii, in ventral
Hilarcotherium
Extinct genus of turtles
Pacifichelys Temporal range: Mid Miocene (Friasian-Laventan) ~15.97–13.65 Ma PreꞒ Ꞓ O S D C P T J K Pg N Skull of Pacifichelys urbinai Scientific classification
Pacifichelys
Geologic formation in Bolivia
The Yecua Formation is a geological Formation in what is now Bolivia. Studies suggest that the Yecua Formation preserves a coastal setting with humid to
Yecua_Formation
Possibly marine ground sloth from Venezuela
Eionaletherium Temporal range: Mid-Late Miocene (Friasian-Montehermosan) ~15.97–5.332 Ma PreꞒ Ꞓ O S D C P T J K Pg N Right and left femurs Scientific classification
Eionaletherium
Argentinian sedimentary basin
Gran Bajo de Gualicho Shallow marine 57 m (187 ft) Laventan Colloncuran Friasian Santacrucian Mid Miocene Barranca Final Marine 300 m (980 ft) Oligocene
Colorado_Basin,_Argentina
Extinct genus of notoungulates
Juchuysillu is an extinct genus of interatheriid notoungulate. It lived from the Early to the Middle Miocene, and its fossils have been found in Bolivia
Juchuysillu
Extinct genus of mammals
Megathericulus Temporal range: Middle Miocene-Late Miocene (Friasian-Huayquerian) ~15.0–5.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom:
Megathericulus
(2019). A revision and a study on the phylogenetic relationships of the Friasian and Mayoan interatheriine interatheriid notoungulates from southern Argentina
2019_in_paleomammalogy
Extinct genus of snakes
Colombophis Temporal range: Mid-Late Miocene (Friasian-Huayquerian) ~15.97–7.25 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia
Colombophis
Country Notes Images Mcdonaldocnus Gen. et comb. nov Valid Gaudin et al. Friasian to Montehermosan Argentina Bolivia A member of the family Nothrotheriidae
2022_in_paleomammalogy
Geological group in the Colombian Andes
Chapadmalalan Montehermosan Huayquerian Chasicoan Mayoan Laventan Colloncuran Friasian Santacrucian Colhuehuapian Deseadan Tinguirirican Divisaderan Mustersan
Honda_Group,_Colombia
Extinct species of bird
Palaeospheniscus patagonicus Temporal range: Early Miocene (Colhuehuapian-Friasian) ~20.43–15.97 Ma PreꞒ Ꞓ O S D C P T J K Pg N Fossil material, Beneski Museum
Palaeospheniscus_patagonicus
Extinct genus of litopterns
Anisolophus is an extinct genus of proterotheriid from the Early to Middle Miocene of Argentina. The genus was named by Burmeister in 1885 to accommodate
Anisolophus
Formation Santacrucian Chilcatay Formation Chattian-Burdigalian (Deseadan-Friasian) Chambira Formation Late Oligocene-Early Miocene (Deseadan) Upper Moquegua
List of fossiliferous stratigraphic units in Peru
List_of_fossiliferous_stratigraphic_units_in_Peru
Extinct genus of ground sloths
Mcdonaldocnus Temporal range: Middle Miocene-Early Pliocene (Friasian-Montehermosan) ~16.3–5.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification
Mcdonaldocnus
Extinct genus of mammals
Epipeltephilus is an extinct genus of armadillo, belonging to the family Peltephilidae, the "horned armadillos", whose most famous relative was Peltephilus
Epipeltephilus
Extinct genus of cingulates
Vassallia is an extinct genus of cingulate belonging to the family Pampatheriidae. It lived between the Middle Oligocene and the Early Pliocene in what
Vassallia
Extinct genus of notoungulates
Boleatherium Temporal range: Early-Mid Miocene (Santacrucian-Friasian) ~17.5–16 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia
Boleatherium
Extinct genus of mammals
Phoenixauchenia Temporal range: Miocene (Friasian) ~16.3–15.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum: Chordata
Phoenixauchenia
Extinct genus of mammals
Prozaedyus Temporal range: Middle Oligocene-Middle Miocene (Deseadan-Friasian) ~33–16.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N Carapace of P. impressus, Beneski
Prozaedyus
Sedimentary basin in Colombia
medium-grained to conglomeratic fossiliferous lithic to quartzitic sandstones Friasian Early Miocene Santacrucian Jimol Fm. 203 m (666 ft) Calcareous lithic &
Cocinetas_Basin
Extinct genus of ground sloths
Prepoplanops Temporal range: Early Miocene (Santacrucian-Friasian) ~18.3–15.97 Ma PreꞒ Ꞓ O S D C P T J K Pg N Calcaneum of Prepoplanops boleadorensis Scientific
Prepoplanops
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