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Marambio - Snow Hill Island, Western Antarctica, Antarctica

GroupMarambio
FormationSnow Hill Island
Member(s)Herbert Sound
Age:83.5 - 66.0 Ma
Late/Upper Cretaceous
IntervalLate Campanian - Early Maastrichtian
Lithologysandstone
Number of Collections3
Number of Occurrences27

Recorded Sample Locations

LocationRegionStratigraphic Name
EchinoideaWestern Antarctica, AntarcticaMarambio - Snow Hill Island
DG6-1Weddell Sea, Western Antarctica, AntarcticaMarambio - Snow Hill Island
Santa Marta Cove elasmosauridWestern Antarctica, AntarcticaMarambio - Snow Hill Island - Herbert Sound
Santa Marta CoveWestern Antarctica, AntarcticaMarambio - Snow Hill Island

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Gustav - Hidden Lake86.3 - 83.5 Ma
Late/Upper Cretaceous
siltstone/sandstone, sandstone531
Marambio - Lopez de Bertodano66.0 - 56.0 Ma
Paleocene
sandstone/siltstone, "siliciclastic", mudstone, mudstone/sandstone91
Marambio - Santa Marta85.8 - 70.6 Ma
Late/Upper Cretaceous
sandstone/siltstone, siltstone/sandstone, siltstone35
Marambio - Snow Hill Island - Herbert Sound83.5 - 70.6 Ma
Late/Upper Cretaceous
sandstone1

Recorded Fossils

Accepted NameHierarchyAge
Rotularia sp.
genus
6Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Rotularia83.5 - 66 Ma
Late/Upper Cretaceous
Hoploparia sp.
genus
6Animalia : Arthropoda : Malacostraca : Decapoda : Nephropidae : Hoploparia83.5 - 66 Ma
Late/Upper Cretaceous
Notidanodon sp.
genus
6Animalia : Chordata : Elasmobranchii : Hexanchiformes : Hexanchidae : Notidanodon83.5 - 70.6 Ma
Late/Upper Cretaceous
Antarctopelta oliveroi
species
7Animalia : Chordata : Ornithischia : Nodosauridae : Antarctopelta : Antarctopelta oliveroi83.5 - 70.6 Ma
Late/Upper Cretaceous
Trinisaura santamartaensis
species
7Animalia : Chordata : Ornithischia : Trinisaura : Trinisaura santamartaensis83.5 - 70.6 Ma
Late/Upper Cretaceous
Aristonectinae
unranked clade
99Animalia : Chordata : Reptilia : Sauropterygia : Elasmosauridae : Aristonectinae83.5 - 70.6 Ma
Late/Upper Cretaceous
Elasmosauridae
family
5Animalia : Chordata : Reptilia : Sauropterygia : Brimosaurus : Elasmosauridae83.5 - 70.6 Ma
Late/Upper Cretaceous
Lithostrotia
unranked clade
99Animalia : Chordata : Saurischia : Lithostrotia83.5 - 70.6 Ma
Late/Upper Cretaceous
Cyathocidaris sp.
genus
6Animalia : Echinodermata : Echinoidea : Cidaroida : Cidaridae : Cyathocidaris83.5 - 66 Ma
Late/Upper Cretaceous
Giraliaster sp.
genus
6Animalia : Echinodermata : Echinoidea : Holasteroida : Pseudholasteridae : Giraliaster83.5 - 66 Ma
Late/Upper Cretaceous
Hemiaster sp.
genus
6Animalia : Echinodermata : Echinoidea : Spatangoida : Hemiasteridae : Hemiaster83.5 - 66 Ma
Late/Upper Cretaceous
Bivalvia
class
3Animalia : Mollusca : Bivalvia83.5 - 70.6 Ma
Late/Upper Cretaceous
Nordenskjoeldia sp.
genus
6Animalia : Mollusca : Bivalvia : Arcida : Parallelodontidae : Nordenskjoeldia83.5 - 66 Ma
Late/Upper Cretaceous
Lahillia sp.
genus
6Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Lahillia83.5 - 66 Ma
Late/Upper Cretaceous
Panopea sp.
genus
6Animalia : Mollusca : Bivalvia : Hiatellida : Hiatellidae : Panopea83.5 - 66 Ma
Late/Upper Cretaceous
Modiolus sp.
genus
6Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus83.5 - 66 Ma
Late/Upper Cretaceous
Pinna sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : Pinna83.5 - 66 Ma
Late/Upper Cretaceous
Solemya sp.
genus
6Animalia : Mollusca : Bivalvia : Solemyida : Solemyidae : Solemya83.5 - 66 Ma
Late/Upper Cretaceous
Trigonia sp.
genus
6Animalia : Mollusca : Bivalvia : Trigoniida : Trigoniidae : Trigonia83.5 - 66 Ma
Late/Upper Cretaceous
Nautiloidea
subclass
3.3Animalia : Mollusca : Cephalopoda : Nautiloidea83.5 - 70.6 Ma
Late/Upper Cretaceous
Gunnarites antarcticus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Kossmaticeratidae : Gunnarites : Gunnarites antarcticus83.5 - 66 Ma
Late/Upper Cretaceous
Cymatoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Nautilida : Cymatoceratidae : Cymatoceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Gastropoda
class
3Animalia : Mollusca : Gastropoda83.5 - 70.6 Ma
Late/Upper Cretaceous
Perissoptera sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Perissoptera83.5 - 66 Ma
Late/Upper Cretaceous
Galeodea sp.
genus
6Animalia : Mollusca : Gastropoda : Cassidae : Galeodea83.5 - 66 Ma
Late/Upper Cretaceous
Amberleya sp.
genus
6Animalia : Mollusca : Gastropoda : Seguenziida : Eucyclidae : Amberleya83.5 - 66 Ma
Late/Upper Cretaceous

References

Gasparini Z., Pereda-Suberbiola X., et al (1996) New data on the ankylosaurian dinosaur from the Late Cretaceous of the Antarctic Peninsula, Memoirs of the Queensland Museum 39 3, 583-594
Néraudeau D, Crame A, et al (2000) Upper Cretaceous echinoids from James Ross Basin, Antarctica, Géobios 33 4, 455-466
Salgado L., Gasparini Z. (2006) Reappraisal of an ankylosaurian dinosaur from the Upper Cretaceous of James Ross Island (Antarctica), Geodiversitas 28 1, 119-135
Cerda I. A., Paulina Carabajal A., et al (2012) The first record of a sauropod dinosaur from Antarctica, Naturwissenschaften 99, 83-87 doi:10.1007/s00114-011-0869-x
O'Gorman J. P. (2012) The oldest elasmosaurs (Sauropterygia, Plesiosauria) from Antarctica, Santa Marta Formation (upper Coniacian? Santonian-upper Campanian) and Snow Hill Island Formation (upper Campanian-lower Maastrichtian), James Ross Island, Polar Research 31 11090, 1-10 doi:10.3402/polar.v31i0.11090
Coria R. A., Moly J. J., et al (2013) A new ornithopod (Dinosauria; Ornithischia) from Antarctica, Cretaceous Research 41, 186-193 doi:10.1016/j.cretres.2012.12.004
Otero R. A., Soto-Acuna S., et al (2013) Additions to the diversity of elasmosaurid plesiosaurs from the Upper Cretaceous of Antarctica, Gondwana Research doi:10.1016/j.gr.2013.07.016
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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