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La Meseta - Telm 4, Weddell Sea, Western Antarctica, Antarctica

FormationLa Meseta
MemberTelm 4
Age:41.3 - 38.0 Ma
Eocene
IntervalLutetian - Bartonian
Lithologysandstone, "siliciclastic"
Number of Collections5
Number of Occurrences104

Recorded Sample Locations

LocationRegionStratigraphic Name
DVP 2/84Weddell Sea, Western Antarctica, AntarcticaLa Meseta - Telm 4
Seymour Island 1Weddell Sea, Western Antarctica, AntarcticaLa Meseta - Telm 4
ZPAL 12Weddell Sea, Western Antarctica, AntarcticaLa Meseta - Telm 4
ZPAL 10Weddell Sea, Western Antarctica, AntarcticaLa Meseta - Telm 4
Telm 4Weddell Sea, Western Antarctica, AntarcticaLa Meseta - Telm 4

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
La Meseta - Telm 147.8 - 41.3 Ma
Eocene
sandstone, siltstone/sandstone, conglomerate/sandstone42
La Meseta - Telm 247.8 - 33.9 Ma
Paleogene
sandstone/claystone, sandstone, sandstone/siltstone81
La Meseta - Telm 347.8 - 38.0 Ma
Eocene
not reported/sandstone, sandstone/siltstone, sandstone, "siliciclastic"86
La Meseta - Telm 537.2 - 33.9 Ma
Paleogene
sandstone, conglomerate, "mixed carbonate-siliciclastic"366
La Meseta - Telm 637.2 - 33.9 Ma
Paleogene
sandstone, siltstone, conglomerate, sandstone/siltstone143
La Meseta - Telm 737.2 - 33.9 Ma
Paleogene
sandstone, conglomerate/mudstone, sandstone/siltstone165
Lopez de Bertodano66.0 - 56.0 Ma
Paleocene
sandstone/siltstone, siltstone, sandstone/"shale", sandstone, siltstone/sandstone, "shale"/sandstone, siltstone/"carbonate", mudstone, "siliciclastic", "shale", siltstone/mudstone1719
Sobral66.0 - 56.0 Ma
Paleocene
sandstone, packstone, marl, grainstone, siltstone, siltstone/marl, mudstone, lime mudstone, sandstone/marl, marl/sandstone, marl/siltstone, claystone, sandstone/siltstone, "reef rocks"1003
Marambio - Sobral66.0 - 56.0 Ma
Paleocene
sandstone/siltstone, sandstone43

Recorded Fossils

Accepted NameHierarchyAge
Antarctodarwinella nordenskjoldi
species
7Antarctodarwinella nordenskjoldi56 - 47.8 Ma
Eocene
Struthioptera camachoi
species
7Struthioptera camachoi56 - 47.8 Ma
Eocene
Ficus sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Rosales : Moraceae : Ficus56 - 47.8 Ma
Eocene
Teredidae
family
5Animalia : Arthropoda : Insecta : Coleoptera : Teredidae47.8 - 38 Ma
Eocene
Homolodromia chaneyi
species
7Animalia : Arthropoda : Malacostraca : Decapoda : Homolodromiidae : Homolodromia : Homolodromia chaneyi47.8 - 38 Ma
Eocene
Bouchardia antarctica
species
7Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Bouchardiidae : Bouchardia : Bouchardia antarctica47.8 - 41.3 Ma
Eocene
Magellania antarctica
species
7Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Terebratellidae : Magellania : Magellania antarctica47.8 - 41.3 Ma
Eocene
Liothyrella anderssoni
species
7Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Terebratulidae : Liothyrella : Liothyrella anderssoni47.8 - 41.3 Ma
Eocene
Beryciformes
order
4Animalia : Chordata : Actinopterygii : Beryciformes47.8 - 38 Ma
Eocene
Labridae
family
5Animalia : Chordata : Actinopteri : Labriformes : Labridae47.8 - 38 Ma
Eocene
Oplegnathus sp.
genus
6Animalia : Chordata : Actinopteri : Oplegnathidae : Oplegnathus47.8 - 38 Ma
Eocene
Xiphiorhynchus sp.
genus
6Animalia : Chordata : Actinopteri : Istiophoriformes : Xiphiidae : Xiphiorhynchus47.8 - 38 Ma
Eocene
Trichiurus sp.
genus
6Animalia : Chordata : Actinopteri : Scombriformes : Trichiuridae : Trichiurus47.8 - 38 Ma
Eocene
Siluriformes
order
4Animalia : Chordata : Actinopterygii : Siluriformes47.8 - 38 Ma
Eocene
Pelagornithidae
family
5Animalia : Chordata : Aves : Pelagornithidae47.8 - 38 Ma
Eocene
Diomedeidae
family
5Animalia : Chordata : Aves : Procellariiformes : Diomedeidae47.8 - 38 Ma
Eocene
Anthropornis grandis
species
7Animalia : Chordata : Aves : Sphenisciformes : Anthropornis : Anthropornis grandis56 - 47.8 Ma
Eocene
Anthropornis nordenskjoeldi
species
7Animalia : Chordata : Aves : Sphenisciformes : Anthropornis : Anthropornis nordenskjoeldi47.8 - 38 Ma
Eocene
Delphinornis sp.
genus
6Animalia : Chordata : Aves : Sphenisciformes : Delphinornis47.8 - 38 Ma
Eocene
Marambiornis exilis
species
7Animalia : Chordata : Aves : Sphenisciformes : Marambiornis : Marambiornis exilis47.8 - 38 Ma
Eocene
Mesetaornis polaris
species
7Animalia : Chordata : Aves : Sphenisciformes : Mesetaornis : Mesetaornis polaris47.8 - 38 Ma
Eocene
Palaeeudyptes gunnari
species
7Animalia : Chordata : Aves : Sphenisciformes : Spheniscidae : Palaeeudyptes : Palaeeudyptes gunnari47.8 - 38 Ma
Eocene
Palaeeudyptes klekowskii
species
7Animalia : Chordata : Aves : Sphenisciformes : Spheniscidae : Palaeeudyptes : Palaeeudyptes klekowskii47.8 - 38 Ma
Eocene
Carcharhinus sp.
genus
6Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Carcharhinus47.8 - 38 Ma
Eocene
Scoliodon sp.
genus
6Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Scoliodon47.8 - 38 Ma
Eocene
Ischyodus sp.
genus
6Animalia : Chordata : Chondrichthyes : Chimaeriformes : Callorhynchidae : Ischyodus47.8 - 38 Ma
Eocene
Chimaera sp.
genus
6Animalia : Chordata : Chondrichthyes : Chimaeriformes : Chimaeridae : Chimaera47.8 - 38 Ma
Eocene
Heptranchias howelli
species
7Animalia : Chordata : Chondrichthyes : Hexanchiformes : Hexanchidae : Heptranchias : Heptranchias howelli47.8 - 38 Ma
Eocene
Hexanchus sp.
genus
6Animalia : Chordata : Elasmobranchii : Hexanchiformes : Hexanchidae : Hexanchus47.8 - 38 Ma
Eocene
Cetorhinus sp.
genus
6Animalia : Chordata : Elasmobranchii : Lamniformes : Cetorhinidae : Cetorhinus47.8 - 38 Ma
Eocene
Carcharodon auriculatus
species
7Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : Carcharodon : Carcharodon auriculatus47.8 - 38 Ma
Eocene
Isurus praecursor
species
7Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : Isurus : Isurus praecursor47.8 - 38 Ma
Eocene
Lamna sp.
genus
6Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : Lamna47.8 - 38 Ma
Eocene
Odontaspis winkleri
species
7Animalia : Chordata : Elasmobranchii : Lamniformes : Odontaspididae : Odontaspis : Odontaspis winkleri47.8 - 38 Ma
Eocene
Striatolamia macrota
species
7Animalia : Chordata : Chondrichthyes : Lamniformes : Mitsukurinidae : Striatolamia : Striatolamia macrota47.8 - 38 Ma
Eocene
Myliobatis sp.
genus
6Animalia : Chordata : Elasmobranchii : Myliobatiformes : Myliobatidae : Myliobatis47.8 - 38 Ma
Eocene
Anomotodon multidenticulata
species
7Animalia : Chordata : Elasmobranchii : Lamniformes : Mitsukurinidae : Anomotodon : Anomotodon multidenticulata47.8 - 38 Ma
Eocene
Pseudoginglymostoma brevicaudatum
species
7Animalia : Chordata : Chondrichthyes : Orectolobiformes : Orectolobidae : Pseudoginglymostoma : Pseudoginglymostoma brevicaudatum47.8 - 38 Ma
Eocene
Stegostoma fasciatum
species
7Animalia : Chordata : Chondrichthyes : Orectolobiformes : Orectolobidae : Stegostoma : Stegostoma fasciatum47.8 - 38 Ma
Eocene
Pristis sp.
genus
6Animalia : Chordata : Elasmobranchii : Rhinopristiformes : Pristidae : Pristis47.8 - 38 Ma
Eocene
Pristiophorus lanceolatus
species
7Animalia : Chordata : Chondrichthyes : Pristiophoriformes : Pristiophoridae : Pristiophorus : Pristiophorus lanceolatus47.8 - 38 Ma
Eocene
Centrophorus sp.
genus
6Animalia : Chordata : Elasmobranchii : Squaliformes : Centrophoridae : Centrophorus47.8 - 38 Ma
Eocene
Deania sp.
genus
6Animalia : Chordata : Elasmobranchii : Squaliformes : Centrophoridae : Deania47.8 - 38 Ma
Eocene
Squalus weltoni
species
7Animalia : Chordata : Chondrichthyes : Plagiostomi : Squalidae : Squalus : Squalus weltoni47.8 - 38 Ma
Eocene
Squalus woodburnei
species
7Animalia : Chordata : Chondrichthyes : Plagiostomi : Squalidae : Squalus : Squalus woodburnei47.8 - 38 Ma
Eocene
Squatina sp.
genus
6Animalia : Chordata : Elasmobranchii : Squatiniformes : Squatinidae : Squatina47.8 - 38 Ma
Eocene
Paraorthacodus sp.
genus
6Animalia : Chordata : Chondrichthyes : Synechodontiformes : Paraorthacodontidae : Paraorthacodus47.8 - 38 Ma
Eocene
Mammalia
class
3Animalia : Chordata : Mammalia47.8 - 38 Ma
Eocene
Antarctodon sobrali
species
7Animalia : Chordata : Mammalia : Antarctodon : Antarctodon sobrali47.8 - 38 Ma
Eocene
Basilosauridae
family
5Animalia : Chordata : Mammalia : Cetacea : Pontogeneus : Basilosauridae47.8 - 38 Ma
Eocene
Notolophus arquinotiensis
species
7Animalia : Chordata : Mammalia : Sparnotheriodontidae : Notolophus : Notolophus arquinotiensis47.8 - 38 Ma
Eocene
Antarctodolops dailyi
species
7Animalia : Chordata : Mammalia : Paucituberculata : Polydolopidae : Antarctodolops : Antarctodolops dailyi47.8 - 38 Ma
Eocene
Testudines
order
4Animalia : Chordata : Reptilia : Testudines47.8 - 38 Ma
Eocene
Dermochelyidae
family
5Animalia : Chordata : Reptilia : Testudines : Dermochelyidae47.8 - 38 Ma
Eocene
Psephophorus sp.
genus
6Animalia : Chordata : Reptilia : Testudines : Dermochelyidae : Psephophorus47.8 - 38 Ma
Eocene
Crinoidea
class
3Animalia : Echinodermata : Crinoidea47.8 - 38 Ma
Eocene
Bivalvia
class
3Animalia : Mollusca : Bivalvia47.8 - 38 Ma
Eocene
Cucullaea sp.
genus
6Animalia : Mollusca : Bivalvia : Arcida : Cucullaeidae : Cucullaea47.8 - 38 Ma
Eocene
Eucrassatella wilckensi
species
7Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Eucrassatella : Eucrassatella wilckensi56 - 47.8 Ma
Eocene
Saxolucina sharmani
species
7Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Saxolucina : Saxolucina sharmani56 - 47.8 Ma
Eocene
Australoneilo rossi
species
7Animalia : Mollusca : Bivalvia : Nuculanida : Malletiidae : Australoneilo : Australoneilo rossi56 - 47.8 Ma
Eocene
Solemya sp.
genus
6Animalia : Mollusca : Bivalvia : Solemyida : Solemyidae : Solemya56 - 47.8 Ma
Eocene
Mactra irizari
species
7Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Mactra : Mactra irizari56 - 47.8 Ma
Eocene
Eurhomalea newtoni
species
7Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Eurhomalea : Eurhomalea newtoni56 - 47.8 Ma
Eocene
Euciphoceras argentinae
species
7Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : Euciphoceras : Euciphoceras argentinae41.3 - 38 Ma
Eocene
Gastropoda
class
3Animalia : Mollusca : Gastropoda47.8 - 38 Ma
Eocene
Austrobuccinum tuberosum
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Austrobuccinum : Austrobuccinum tuberosum56 - 47.8 Ma
Eocene
Penion sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Penion56 - 47.8 Ma
Eocene
Zelandiella sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Zelandiella56 - 47.8 Ma
Eocene
Pristimerica sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Pristimerica56 - 47.8 Ma
Eocene
Austrosullivania sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Austrosullivania56 - 47.8 Ma
Eocene
Conomitra sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Volutomitridae : Conomitra56 - 47.8 Ma
Eocene
Streptochetus (Streptolathyrus) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Streptochetus : Streptochetus (Streptolathyrus)56 - 47.8 Ma
Eocene
Taioma sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Taiomidae : Taioma56 - 47.8 Ma
Eocene
Mitra sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Mitridae : Mitra56 - 47.8 Ma
Eocene
Mitra (Eumitra) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Neogastropoda : Mitridae : Mitra : Mitra (Eumitra)56 - 47.8 Ma
Eocene
Sudonassarius antarctohimaleos
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Nassariidae : Sudonassarius : Sudonassarius antarctohimaleos56 - 47.8 Ma
Eocene
Austrotoma sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Austrotoma56 - 47.8 Ma
Eocene
Eoscaphella ellioti
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : Eoscaphella : Eoscaphella ellioti56 - 47.8 Ma
Eocene
Wangaloa sp.
genus
6Animalia : Mollusca : Gastropoda : Architectonicidae : Wangaloa56 - 47.8 Ma
Eocene
Sigapatella sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Calyptraeidae : Sigapatella56 - 47.8 Ma
Eocene
Amaea (Discoscala) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Epitoniidae : Amaea : Amaea (Discoscala)56 - 47.8 Ma
Eocene
Epitonium (Epitonium) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Epitoniidae : Epitonium : Epitonium (Epitonium)56 - 47.8 Ma
Eocene
Austroficopsis wimani
species
7Animalia : Mollusca : Gastropoda : Littorinimorpha : Ficidae : Austroficopsis : Austroficopsis wimani56 - 47.8 Ma
Eocene
Globisinum sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Globisinum56 - 47.8 Ma
Eocene
Polinices (Polinices) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Naticidae : Polinices : Polinices (Polinices)56 - 47.8 Ma
Eocene
Orinella sp.
genus
6Animalia : Mollusca : Gastropoda : Pyramidellidae : Orinella56 - 47.8 Ma
Eocene
Ptycheulimella sp.
genus
6Animalia : Mollusca : Gastropoda : Pyramidellidae : Ptycheulimella56 - 47.8 Ma
Eocene
Antarctodarwinella sp.
genus
6Animalia : Mollusca : Gastropoda : Struthiolariidae : Antarctodarwinella47.8 - 38 Ma
Eocene
Tudicla sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Tudiclidae : Tudicla56 - 47.8 Ma
Eocene
Colposigma euthenia
species
7Animalia : Mollusca : Gastropoda : Turritellidae : Colposigma : Colposigma euthenia56 - 47.8 Ma
Eocene

References

Stilwell J. D., Zinsmeister W. J. (1992) Molluscan Systematics and Biostratigraphy, Antarctic Research Series, AGU 55
Marenssi S. A., Regeuro M. A., et al (1994) Eocene land mammals from Seymour Island, Antarctica: palaeobiogeographical implications 6 1, 3-15
Bitner M. A. (1996) Brachiopods from the Eocene La Meseta Formation of Seymour Island, Antarctic Peninsula, Palaeontologia Polonica 55, 65-100
Dzik J., Gazdzicki A. (2001) The Eocene expansion of nautilids to high latitudes, Palaeogeography, Palaeoclimatology, Palaeoecology 172, 297-312
Myrcha A., Jadwiszczak P., et al (2002) Taxonomic revision of Eocene Antarctic penguins based on tarsometatarsal morphology, Polish Polar Research 23 1, 5-46
Bond M., Reguero M. A., et al (2006) A new 'South American ungulate' (Mammalia: Litopterna) from the Eocene of the Antarctic Peninsula, Geological Society, London, Special Publications 258, 163-176
Chornogubsky L., Goin F. J., et al (2009) A reassessment of Antarctic polydolopid marsupials (Middle Eocene, La Meseta Formation), Antarctic Science 21 3, 285-297 doi:10.1017/S0954102009001916
Reguero M. A., Tambussi C., et al (2011) Vertebrates from the basal horizons (Ypresian to Lutetian) of the Cucullaea I Allomember, La Meseta Formation, Seymour (Marambio) Island, Antarctica, 11th International Symposium on Antarctic Earth Sciences (ISAES), PO21.3
Bond M., Kramarz A., et al (2011) A new astrapothere (Mammalia, Meridiungulata) from La Meseta Formation, Seymour (Marambio) Island, and a reassessment of previous records of antarctic astrapotheres, American Museum Novitates 3718, 1-16 doi:10.1206/3718.2
Reguero M. A., Marenssi S. A., et al (2012) Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica 19 3, 275-284
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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