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Monte Leon

FormationMonte Leon
Age:20.4 - 13.8 Ma
Miocene
IntervalAquitanian - Burdigalian
Lithologysiltstone/sandstone, "siliciclastic", sandstone, "shale", siltstone, tuff
Number of Collections37
Number of Occurrences450

Recorded Sample Locations

LocationRegionStratigraphic Name
Gran Bajo de San JulianCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
Darwin StationAvellaneda Department, Río Negro Province, ArgentinaMonte Leon
Monte Leon Fm - Cañadón de los MisionerosCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
Monte Leon Fm - Monte EntradaCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
Monte Leon Fm - Cañadón de la Yegua QuemadaCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
Monte Leon Fm - Monte LeonCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
Monte Leon Fm - Cañadón de la ArtillerosMagallanes Department, Santa Cruz Province, ArgentinaMonte Leon
Monte LeonCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
Monte LeonCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
1N - Perfil Punta NavaDeseado Department, Santa Cruz Province, ArgentinaMonte Leon
1F - Perfil El FaroDeseado Department, Santa Cruz Province, ArgentinaMonte León
Perfil Monte Observación MO1Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
MO2 Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
Perfil Monte Observación MO7Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
MO12 Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
ME1 Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
ME2 Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
MO11 Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
MO5 Corpen Aike Department, Santa Cruz Province, ArgentinaMonte León
Rio ChaliaCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
1M - Perfil MazarredoDeseado Department, Santa Cruz Province, ArgentinaMonte León
Masatierra IslandChileMonte León
Barrancas Blancas lowerCorpen Aike Department, Santa Cruz Province, ArgentinaMonte León
Monte LeonCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon
Monte LeonCorpen Aike Department, Santa Cruz Province, ArgentinaMonte Leon

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Monte Leon Fm23.0 - 16.0 Ma
Miocene
sandstone, sandstone/"limestone"252
Santa Cruz1.81 - 0.78 Ma
Pleistocene
mudstone, siltstone, tuff, claystone, mudstone/sandstone611

Recorded Fossils

Accepted NameHierarchyAge
Arecipites subverrucatus
species
7Plantae : Tracheophyta : Liliopsida : Arecales : Arecipites : Arecipites subverrucatus28.4 - 15.97 Ma
Cenozoic
Liliacidites sp.
genus
6Plantae : Tracheophyta : Liliopsida : Liliales : Liliacidites28.4 - 23.03 Ma
Cenozoic
Sparganiaceaepollenites barungensis
species
7Plantae : Angiospermae : Sparganiaceaepollenites : Sparganiaceaepollenites barungensis28.4 - 15.97 Ma
Cenozoic
Graminidites sp.
genus
6Plantae : Tracheophyta : Liliopsida : Poales : Poaceae : Graminidites28.4 - 15.97 Ma
Cenozoic
Milfordia argentina
species
7Plantae : Tracheophyta : Liliopsida : Poales : Restionaceae : Milfordia : Milfordia argentina28.4 - 15.97 Ma
Cenozoic
Cannosphaeropsis utinensis
species
7Chromista : Myzozoa : Dinophyceae : Gonyaulacales : Gonyaulacaceae : Cannosphaeropsis : Cannosphaeropsis utinensis28.4 - 15.97 Ma
Cenozoic
Spiniferites mirabilis
species
7Dinophyceae : Spiniferites : Spiniferites mirabilis23.03 - 15.97 Ma
Miocene
Baumannipollis variaperturatus
species
7Baumannipollis : Baumannipollis variaperturatus23.03 - 15.97 Ma
Miocene
Brigantedinium sp.
genus
6Brigantedinium28.4 - 23.03 Ma
Cenozoic
Canthiumidites bellus
species
7Canthiumidites : Canthiumidites bellus28.4 - 23.03 Ma
Cenozoic
Chenopodipollis chenopodiaceoides
species
7Chenopodipollis : Chenopodipollis chenopodiaceoides28.4 - 23.03 Ma
Cenozoic
Cymatiosphaera sp.
genus
6Cymatiosphaera28.4 - 23.03 Ma
Cenozoic
Cyperaceaepollis neogenicus
species
7Cyperaceaepollis : Cyperaceaepollis neogenicus23.03 - 15.97 Ma
Miocene
Diporites aspis
species
7Diporites : Diporites aspis28.4 - 23.03 Ma
Cenozoic
Glencopollis ornatus
species
7Glencopollis : Glencopollis ornatus28.4 - 15.97 Ma
Cenozoic
Lactoris sp.
genus
6Lactoris28.4 - 15.97 Ma
Cenozoic
Lejeunecysta sp.
genus
6Lejeunecysta28.4 - 15.97 Ma
Cenozoic
Lejeunecysta communis
species
7Lejeunecysta : Lejeunecysta communis28.4 - 23.03 Ma
Cenozoic
Lejeunecysta globosa
species
7Lejeunecysta : Lejeunecysta globosa28.4 - 23.03 Ma
Cenozoic
Lejeunecysta pulchra
species
7Lejeunecysta : Lejeunecysta pulchra28.4 - 23.03 Ma
Cenozoic
Lingulodinium hemicystum
species
7Lingulodinium : Lingulodinium hemicystum23.03 - 15.97 Ma
Miocene
Malvacipolloides comodoroensis
species
7Malvacipolloides : Malvacipolloides comodoroensis28.4 - 15.97 Ma
Cenozoic
Mutisiapollis sp.
genus
6Mutisiapollis28.4 - 23.03 Ma
Cenozoic
Mutisiapollis viteauensis
species
7Mutisiapollis : Mutisiapollis viteauensis28.4 - 23.03 Ma
Cenozoic
Nematosphaeropsis rigida
species
7Nematosphaeropsis : Nematosphaeropsis rigida23.03 - 15.97 Ma
Miocene
Odontocymbiola sp.
genus
6Odontocymbiola23.03 - 15.97 Ma
Miocene
Operculodinium centrocarpum
species
7Operculodinium : Operculodinium centrocarpum28.4 - 15.97 Ma
Cenozoic
Quintiniapollis striatulosa
species
7Quintiniapollis : Quintiniapollis striatulosa28.4 - 15.97 Ma
Cenozoic
Reticulatosphaera actinocoronata
species
7Reticulatosphaera : Reticulatosphaera actinocoronata28.4 - 23.03 Ma
Cenozoic
Rubipollis oblatus
species
7Rubipollis : Rubipollis oblatus28.4 - 23.03 Ma
Cenozoic
Selenopemphix sp.
genus
6Selenopemphix28.4 - 23.03 Ma
Cenozoic
Selenopemphix crenata
species
7Selenopemphix : Selenopemphix crenata28.4 - 23.03 Ma
Cenozoic
Selenopemphix warriensis
species
7Selenopemphix : Selenopemphix warriensis28.4 - 23.03 Ma
Cenozoic
Tasmanites sp.
genus
6Tasmanites28.4 - 23.03 Ma
Cenozoic
Tuberculodinium vancampoae
species
7Tuberculodinium : Tuberculodinium vancampoae28.4 - 23.03 Ma
Cenozoic
Araucariaceae
family
5Plantae : Tracheophyta : Pinopsida : Pinales : Araucariaceae28.4 - 15.97 Ma
Cenozoic
Araucariacites australis
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Araucariaceae : Araucariacites : Araucariacites australis28.4 - 23.03 Ma
Cenozoic
Lygistepollenites florinii
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Lygistepollenites : Lygistepollenites florinii28.4 - 23.03 Ma
Cenozoic
Podocarpaceae
family
5Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae28.4 - 15.97 Ma
Cenozoic
Podocarpidites ellipticus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites : Podocarpidites ellipticus28.4 - 23.03 Ma
Cenozoic
Podocarpidites microreticuloidata
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites : Podocarpidites microreticuloidata28.4 - 23.03 Ma
Cenozoic
Podocarpidites rugulosus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites : Podocarpidites rugulosus28.4 - 23.03 Ma
Cenozoic
Tubulifloridites antipodica
species
7Plantae : Tracheophyta : Magnoliopsida : Asterales : Asteraceae : Tubulifloridites : Tubulifloridites antipodica28.4 - 15.97 Ma
Cenozoic
Pseudowinterapollis sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Canellales : Pseudowinterapollis28.4 - 23.03 Ma
Cenozoic
Margocolporites tenuireticulatus
species
7Plantae : Tracheophyta : Magnoliopsida : Fabales : Fabaceae : Margocolporites : Margocolporites tenuireticulatus28.4 - 23.03 Ma
Cenozoic
Fagaceae
family
5Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae28.4 - 15.97 Ma
Cenozoic
Nothofagidites americanus
species
7Plantae : Tracheophyta : Magnoliopsida : Fagales : Nothofagidites : Nothofagidites americanus28.4 - 23.03 Ma
Cenozoic
Nothofagidites deminuta
species
7Plantae : Tracheophyta : Magnoliopsida : Fagales : Nothofagidites : Nothofagidites deminuta28.4 - 23.03 Ma
Cenozoic
Nothofagidites saraensis
species
7Plantae : Tracheophyta : Magnoliopsida : Fagales : Nothofagidites : Nothofagidites saraensis28.4 - 23.03 Ma
Cenozoic
Clavatipollenites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Chloranthales : Chloranthaceae : Clavatipollenites28.4 - 23.03 Ma
Cenozoic
Myrtaceidites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Myrtales : Myrtaceidites28.4 - 23.03 Ma
Cenozoic
Corsinipollenites atlantica
species
7Plantae : Tracheophyta : Magnoliopsida : Myrtales : Onagraceae : Corsinipollenites : Corsinipollenites atlantica23.03 - 15.97 Ma
Miocene
Rhoipites baculatus
species
7Plantae : Tracheophyta : Magnoliopsida : Rhoipites : Rhoipites baculatus28.4 - 23.03 Ma
Cenozoic
Rhoipites cienaguensis
species
7Plantae : Tracheophyta : Magnoliopsida : Rhoipites : Rhoipites cienaguensis28.4 - 23.03 Ma
Cenozoic
Senipites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Senipites28.4 - 15.97 Ma
Cenozoic
Senipites patagonica
species
7Plantae : Tracheophyta : Magnoliopsida : Senipites : Senipites patagonica28.4 - 15.97 Ma
Cenozoic
Tricolpites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Tricolpites28.4 - 23.03 Ma
Cenozoic
Tricolpites reticulatus
species
7Plantae : Tracheophyta : Magnoliopsida : Tricolpites : Tricolpites reticulatus28.4 - 23.03 Ma
Cenozoic
Tricolpites trioblatus
species
7Plantae : Tracheophyta : Magnoliopsida : Tricolpites : Tricolpites trioblatus28.4 - 15.97 Ma
Cenozoic
Proteacidites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Proteales : Proteacidites28.4 - 23.03 Ma
Cenozoic
Cupanieidites reticularis
species
7Plantae : Tracheophyta : Magnoliopsida : Sapindales : Sapindaceae : Cupanieidites : Cupanieidites reticularis28.4 - 23.03 Ma
Cenozoic
Cirripedia
subclass
3.3Animalia : Arthropoda : Maxillopoda : Cirripedia23.03 - 15.97 Ma
Miocene
Balanus sp.
genus
6Animalia : Arthropoda : Maxillopoda : Sessilia : Balanidae : Balanus23.03 - 15.97 Ma
Miocene
Chaceon peruvianus
species
7Animalia : Arthropoda : Malacostraca : Decapoda : Geryonidae : Chaceon : Chaceon peruvianus23.03 - 15.97 Ma
Miocene
Proterocarcinus latus
species
7Animalia : Arthropoda : Malacostraca : Decapoda : Potamidae : Proterocarcinus : Proterocarcinus latus23.03 - 15.97 Ma
Miocene
Pachymagas sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Terebratellidae : Pachymagas23.03 - 15.97 Ma
Miocene
Terebratella patagonica
species
7Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Terebratellidae : Terebratella : Terebratella patagonica23.03 - 15.97 Ma
Miocene
Bryozoa
phylum
2Animalia : Bryozoa23.03 - 15.97 Ma
Miocene
Brontornis burmeisteri
species
7Animalia : Chordata : Aves : Phorusrhacidae : Brontornis : Brontornis burmeisteri23.03 - 15.97 Ma
Miocene
Phororhacos longissimus
species
7Animalia : Chordata : Aves : Phorusrhacidae : Phorusrhacos : Phororhacos longissimus23.03 - 15.97 Ma
Miocene
Psilopterus lemoinei
species
7Animalia : Chordata : Aves : Phorusrhacidae : Psilopterus : Psilopterus lemoinei23.03 - 15.97 Ma
Miocene
Palaeospheniscus bergi
species
7Animalia : Chordata : Aves : Sphenisciformes : Palaeospheniscus : Palaeospheniscus bergi23.03 - 15.97 Ma
Miocene
Arthrodytes andrewsi
species
7Animalia : Chordata : Aves : Sphenisciformes : Spheniscidae : Arthrodytes : Arthrodytes andrewsi23.03 - 15.97 Ma
Miocene
Paraptenodytes brodkorbi
species
7Animalia : Chordata : Reptilia : Dinosauria : Paraptenodytes : Paraptenodytes brodkorbi23.03 - 15.97 Ma
Miocene
Paraptenodytes robustus
species
7Animalia : Chordata : Reptilia : Dinosauria : Paraptenodytes : Paraptenodytes robustus23.03 - 15.97 Ma
Miocene
Kentriodon sp.
genus
6Animalia : Chordata : Mammalia : Cetacea : Kentriodontidae : Kentriodon23.03 - 15.97 Ma
Miocene
Prosqualodon australis
species
7Animalia : Chordata : Mammalia : Cetacea : Squalodontidae : Prosqualodon : Prosqualodon australis23.03 - 15.97 Ma
Miocene
Notocetus vanbenedeni
species
7Animalia : Chordata : Mammalia : Cetacea : Squalodelphinidae : Notocetus : Notocetus vanbenedeni23.03 - 15.97 Ma
Miocene
Flabellum sp.
genus
6Animalia : Cnidaria : Anthozoa : Scleractinia : Flabellidae : Flabellum23.03 - 15.97 Ma
Miocene
Echinoidea
class
3Animalia : Echinodermata : Protocidaris : Echinoidea23.03 - 15.97 Ma
Miocene
Scutella sp.
genus
6Animalia : Echinodermata : Echinoidea : Clypeasteroida : Scutellidae : Scutella23.03 - 15.97 Ma
Miocene
Bivalvia
class
3Animalia : Mollusca : Bivalvia23.03 - 15.97 Ma
Miocene
Arca (Arca) patagonica
species
7Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Arca : Arca (Arca) patagonica23.03 - 15.97 Ma
Miocene
Cucullaea alta
species
7Animalia : Mollusca : Bivalvia : Arcida : Cucullaeidae : Cucullaea : Cucullaea alta23.03 - 15.97 Ma
Miocene
Glycymeris sp.
genus
6Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Glycymeris23.03 - 15.97 Ma
Miocene
Limopsis insolita
species
7Animalia : Mollusca : Bivalvia : Arcida : Limopsidae : Limopsis : Limopsis insolita23.03 - 15.97 Ma
Miocene
Cardium sp.
genus
6Animalia : Mollusca : Bivalvia : Cardium23.03 - 15.97 Ma
Miocene
Cardium puelchum
species
7Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Trachycardium : Cardium puelchum23.03 - 15.97 Ma
Miocene
Serratina sp.
genus
6Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Serratina23.03 - 15.97 Ma
Miocene
Tellina sp.
genus
6Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Tellina23.03 - 15.97 Ma
Miocene
Tellinidae
family
5Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae23.03 - 15.97 Ma
Miocene
Pleuromeris sp.
genus
6Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Pleuromeris23.03 - 15.97 Ma
Miocene
Spissatella sp.
genus
6Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Spissatella23.03 - 15.97 Ma
Miocene
Panopea sp.
genus
6Animalia : Mollusca : Bivalvia : Hiatellida : Hiatellidae : Panopea23.03 - 15.97 Ma
Miocene
Pteromyrtea sp.
genus
6Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Pteromyrtea23.03 - 15.97 Ma
Miocene
Nucula sp.
genus
6Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Nucula23.03 - 15.97 Ma
Miocene
Ostrea hatcheri
species
7Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Crassostrea : Ostrea hatcheri28.4 - 15.97 Ma
Cenozoic
Crassostrea patagonica
species
7Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Crassostrea : Crassostrea patagonica23.03 - 15.97 Ma
Miocene
Ostrea philippii
species
7Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : Ostrea philippii28.4 - 15.97 Ma
Cenozoic
Anomiidae
family
5Animalia : Mollusca : Bivalvia : Pectinida : Anomiidae23.03 - 15.97 Ma
Miocene
Aequipecten paranensis
species
7Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Aequipecten : Aequipecten paranensis23.03 - 15.97 Ma
Miocene
Chlamys (Swiftopecten) iheringii
species
7Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Chlamys : Chlamys (Swiftopecten) iheringii23.03 - 15.97 Ma
Miocene
Zygochlamys sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Zygochlamys23.03 - 15.97 Ma
Miocene
Zygochlamys geminata
species
7Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Zygochlamys : Zygochlamys geminata23.03 - 15.97 Ma
Miocene
Mactra patagonica
species
7Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Mactra : Mactra patagonica23.03 - 15.97 Ma
Miocene
Chionopsis sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Chionopsis23.03 - 15.97 Ma
Miocene
Dosinia sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Dosinia23.03 - 15.97 Ma
Miocene
Leukoma sp.
genus
6Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Leukoma23.03 - 15.97 Ma
Miocene
Pitar sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Pitar23.03 - 15.97 Ma
Miocene
Retrotapes sp.
genus
6Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Retrotapes23.03 - 15.97 Ma
Miocene
Gastropoda
class
3Animalia : Mollusca : Gastropoda23.03 - 15.97 Ma
Miocene
Cancellaria sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Cancellaria23.03 - 15.97 Ma
Miocene
Sveltia major
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Sveltia : Sveltia major23.03 - 15.97 Ma
Miocene
Zeadmete sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Zeadmete23.03 - 15.97 Ma
Miocene
Melongena (Pyrula) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Neogastropoda : Melongenidae : Melongena : Melongena (Pyrula)23.03 - 15.97 Ma
Miocene
Marginella gracilior
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Mitridae : Austroimbricaria : Marginella gracilior23.03 - 15.97 Ma
Miocene
Marginella quemadensis
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Mitridae : Austroimbricaria : Marginella quemadensis23.03 - 15.97 Ma
Miocene
Trophon patagonicus
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Trophon : Trophon patagonicus23.03 - 15.97 Ma
Miocene
Trophon santacrucensis
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Trophon : Trophon santacrucensis23.03 - 15.97 Ma
Miocene
Xymene sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Xymene23.03 - 15.97 Ma
Miocene
Austrotoma sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Austrotoma23.03 - 15.97 Ma
Miocene
Terebra sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : Terebra23.03 - 15.97 Ma
Miocene
Eopleurotoma sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Eopleurotoma23.03 - 15.97 Ma
Miocene
Miomelon gracilis
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : Miomelon : Miomelon gracilis23.03 - 15.97 Ma
Miocene
Voluta patagonica
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Volutomitridae : Neoimbricaria : Voluta patagonica23.03 - 15.97 Ma
Miocene
Calyptraea sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Calyptraeidae : Calyptraea23.03 - 15.97 Ma
Miocene
Cerithiopsis sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Cerithiopsidae : Cerithiopsis23.03 - 15.97 Ma
Miocene
Scalaria sp.
genus
6Animalia : Mollusca : Gastropoda : Epitoniidae : Scalaria23.03 - 15.97 Ma
Miocene
Bulbus sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Bulbus23.03 - 15.97 Ma
Miocene
Natica sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Natica23.03 - 15.97 Ma
Miocene
Sassia sp.
genus
6Animalia : Mollusca : Gastropoda : Ranellidae : Sassia23.03 - 15.97 Ma
Miocene
Rostellaria (Fusus) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Strombidae : Tibia : Rostellaria (Fusus)23.03 - 15.97 Ma
Miocene
Struthiolarella ameghinoi
species
7Animalia : Mollusca : Gastropoda : Struthiolariidae : Struthiolarella : Struthiolarella ameghinoi23.03 - 15.97 Ma
Miocene
Struthiolarella patagoniensis
species
7Animalia : Mollusca : Gastropoda : Littorinimorpha : Struthiolariidae : Perissodonta : Struthiolarella patagoniensis23.03 - 15.97 Ma
Miocene
Struthiolaria ornata
species
7Animalia : Mollusca : Gastropoda : Littorinimorpha : Struthiolariidae : Struthiolaria : Struthiolaria ornata23.03 - 15.97 Ma
Miocene
Calliostoma sp.
genus
6Animalia : Mollusca : Gastropoda : Trochida : Calliostomatidae : Calliostoma23.03 - 15.97 Ma
Miocene
Vermetidae
family
5Animalia : Mollusca : Gastropoda : Littorinimorpha : Vermetidae23.03 - 15.97 Ma
Miocene
Turritella sp.
genus
6Animalia : Mollusca : Gastropoda : Turritellidae : Turritella23.03 - 15.97 Ma
Miocene
Turritella ambulacrum
species
7Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : Turritella ambulacrum23.03 - 15.97 Ma
Miocene
Dentalium sp.
genus
6Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : Dentalium23.03 - 15.97 Ma
Miocene
Botryococcus sp.
genus
6Plantae : Chlorophyta : Trebouxiophyceae : Trebouxiales : Botryococcaceae : Botryococcus28.4 - 23.03 Ma
Cenozoic
Pediastrum sp.
genus
6Plantae : Chlorophyta : Chlorophyceae : Sphaeropleales : Hydrodictyaceae : Pediastrum28.4 - 15.97 Ma
Cenozoic
Equisetosporites claricristatus
species
7Plantae : Cycadophyta : Cycadopsida : Gnetales : Equisetosporites : Equisetosporites claricristatus28.4 - 23.03 Ma
Cenozoic
Ranunculacidites operculatus
species
7Plantae : Magnoliophyta : Ranunculacidites : Ranunculacidites operculatus28.4 - 23.03 Ma
Cenozoic
Pterospermella sp.
genus
6Prasinophyta : Pterospermella28.4 - 23.03 Ma
Cenozoic
Muricingulisporis chenquensis
species
7Plantae : Pteridophyta : Muricingulisporis : Muricingulisporis chenquensis28.4 - 15.97 Ma
Cenozoic
Verrucosisporites kopukuensis
species
7Plantae : Pteridophyta : Verrucosisporites : Verrucosisporites kopukuensis28.4 - 23.03 Ma
Cenozoic
Cyatheacidites annulatus
species
7Plantae : Pteridophyta : Pteridopsida : Cyatheales : Cyatheacidites : Cyatheacidites annulatus28.4 - 15.97 Ma
Cenozoic
Cyathidites sp.
genus
6Plantae : Tracheophyta : Cyathidites28.4 - 23.03 Ma
Cenozoic
Ischyosporites sp.
genus
6Plantae : Pteridophyta : Pteridopsida : Ischyosporites28.4 - 15.97 Ma
Cenozoic
Ischyosporites areapunctatis
species
7Plantae : Pteridophyta : Pteridopsida : Ischyosporites : Ischyosporites areapunctatis28.4 - 15.97 Ma
Cenozoic
Polypodiidites sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Polypodiaceae : Polypodiidites28.4 - 23.03 Ma
Cenozoic
Polypodiisporites radiatus
species
7Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Polypodiisporites : Polypodiisporites radiatus28.4 - 23.03 Ma
Cenozoic
Azolla sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Salviniales : Salviniaceae : Azolla28.4 - 15.97 Ma
Cenozoic

References

Moreno F. P., Mercerat A. Catalogue des Oiseaux Fossiles de la Republique Argentine conserves au Musee de la Plata, Anales del Museo de la Plata 1, 1-71
Ortmann A. E. On some of the large Oysters of Patagonia, The American Journal of Science 4 23, 355-356
Bravard A. Monografia de los terrenos marinos terciarios, de las cercanias del Parana, Annales Museo Nacional de Buenos Aires 3, 45-94
True F. W. (1909) A new genus of fossil cetaceans from the Santa Cruz Territory, Patagonia; and description of a mandible and vertebrae of Prosqualodon, Smithsonian Miscellaneous Collections 52, 441-455
Simpson G. G. (1946) Fossil Penguins, Bulletin of the American Museum of Natural History 87 1, 1-100
Simpson G. G. (1972) Conspectus of Patagonian fossil penguins, American Museum Novitates 2488, 1-37
Cione A. L., Cozzuol M. A. (1990) Reidentification of Portheus patagonicus Ameghino, 1901, a supposed fish from the Middle Tertiary of Patagonia as a delphinoid cetacean, Journal of Paleontology 64 3, 451-453
Olivera A. M., Camacho H. H. (1990) Revision del genero Neoimbricaria Ihering, 1907 (Gastropoda, Neogastropoda) del Oligoceno de la Argentina, Anales de la Academia Nacional de Ciencias Exactas, Físicas y Naturales, Buenos Aires 42, 225-235
Del Rio C. J. (1995) The genus Swiftopecten Hertlein, 1936 (Bivalvia: Pectinidae) in the Tertiary of Southern South America, Journal of Paleontology 69 6, 1054-1059
Barreda V., Palamarczuk S. (2000) Palinoestratigrafía de depósitos del Oligoceno tardío-Mioceno en el área sur del Golfo San Jorge, provincia de Santa Cruz, Argentina, Ameghiniana 37 1, 103-117
Barreda V., Palamarczuk S. (2000) Palinomorfos continentales y marinos de la Formación Monte León en su área tipo, provincia de Santa Cruz, Argentina, Ameghiniana 37 1, 3-12
Crawford R. S., Casadio S., et al (2008) Mass mortality of fossil decapods within the Monte Leon Formation (early Miocene), southern Argentina: victims of Andean Volcanism?, Annals of Carnegie Museum 77 2, 259-287
Gamerro J. C., Barreda V. D. (2008) New fossil record of the Lactoridaceae in southern South America: a paleobiogeographic approach, Botanical Journal of the Linnean Society 158, 41-50 doi:10.1071/BT00023
Fernicola J. C., Cuitiño J. I., et al (2014) Fossil localities of the Santa Cruz Formation (Early Miocene, Patagonia, Argentina) prospected by Carlos Ameghino in 1887 revisited and the location of the Notohippidian, Journal of South American Earth Sciences 52, 94-107 doi:10.1016/j.jsames.2014.02.002
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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