La Meseta Fm Telm 2: Ypresian, Antarctica
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Struthioptera camachoi
Zinsmeister 1977
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Gastropoda
- Trochidae
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Calliostoma (Calliostoma) striphna n. sp.
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Gastropoda
- Vasidae
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Tudicla doylei n. sp.
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Zegalerus coniculus n. sp.
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Gastropoda
- Turritellidae
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Colposigma euthenia n. sp.
Stilwell and Zinsmeister 1992
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Gastropoda
- Struthiolariidae
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Antarctodarwinella ellioti
Zinsmeister 1976
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Gastropoda
- Neogastropoda
- Mitridae
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Mitra (Eumitra) monoplicata n. sp.
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Mitra (Eumitra) sadleri n. sp.
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Gastropoda
- Neogastropoda
- Buccinidae
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Eobuccinella brucei n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Penion australocapax n. sp.
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Zelandiella verrucosa n. sp.
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Aeneator delli n. sp.
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Aeneator huttoni n. sp.
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Pareuthria mccormicki n. sp.
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Austrobuccinum tuberosum n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Pseudofax weddellensis n. sp.
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Pseudofax suroinflatus n. sp.
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Austrofusus (Nassicola) blakei n. sp.
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Austrofusus (Nassicola) casei n. sp.
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Gastropoda
- Neogastropoda
- Nassariidae
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Sudonassarius antarctohimaleos n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Taioma bicarinata n. sp.
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Taioma antarctocarinata n. sp.
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Gastropoda
- Neogastropoda
- Borsoniidae
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Zemacies finlayi n. sp.
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Gastropoda
- Neogastropoda
- Turridae
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Gemmula askinae n. sp.
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Gastropoda
- Neogastropoda
- Costellariidae
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Austrosullivania lata n. gen., n. sp.
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Conomitra cernohorskyi n. sp.
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Conomitra iredalei n. sp.
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Gastropoda
- Neogastropoda
- Muricidae
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Lenitrophon suteri n. sp.
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Caelobassus radwini n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Gastropoda
- Neogastropoda
- Volutidae
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Eoscaphella fordycei n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Lyria antarctica n. sp.
Stilwell and Zinsmeister 1992
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Gastropoda
- Ficidae
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Austroficopsis wimani n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Austroficopsis seymourensis n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Gastropoda
- Naticidae
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Polinices (Polinices) cf. subtenuis
(Ihering 1907)
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Gastropoda
- Vermetidae
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Serpulorbis hormathos n. sp.
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Gastropoda
- Heterostropha
- Acteonidae
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"Crenilabium" suromaximum n. sp.
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Gastropoda
- Heterostropha
- Pyramidellidae
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Turbonilla (Ptycheulimella) aersispira n. sp.
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original and current combination Ptycheulimella | |||||||
Agatha scotti n. sp.
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Gastropoda
- Heterostropha
- Mathildidae
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Gegania (Tubena) antarctodema n. sp.
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synonym of Gegania | |||||||
Gastropoda
- Opisthobranchia
- Bullidae
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Bulla glacialis
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Scaphander (Kaitoa) duseni n. sp.
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Bivalvia
- Arcida
- Cucullaeidae
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Cucullaea raea
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Bivalvia
- Pectinida
- Limidae
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Acesta bibbyi n. sp.
Stilwell and Zinsmeister 1992
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Bivalvia
- Ostreida
- Pteriidae
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Electroma notiala
Stilwell and Zinsmeister 1992
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea antarctica
Zinsmeister 1984
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus thomsoni
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Bivalvia
- Lucinida
- Lucinidae
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Saxolucina sharmani
(Wilckens 1911)
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Bivalvia
- Thraciida
- Periplomatidae
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Periploma topei
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Bivalvia
- Cardiida
- Sportellidae
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Anisodonta truncilla n. sp.
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Bivalvia
- Cardiida
- Veneridae
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Eurhomalea newtoni
(Wilckens 1911)
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"Cyclorismina" marwicki
Zinsmeister 1984
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Cockburnia lunulifera
(Wilckens 1911)
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Bivalvia
- Cardiida
- Mactridae
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Mactra irizari
Wilckens 1912
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Nymphactra jonasseni n. gen., n. sp.
Stilwell and Zinsmeister 1992
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Bivalvia
- Cardiida
- Lahillidae
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Lahillia wilckensi
Zinsmeister 1984
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Bivalvia
- Carditida
- Crassatellidae
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Eucrassatella wilckensi
(Median and Rinaldi 1978)
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Bivalvia
- Nuculida
- Nuculidae
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Nucula (Leionucula) nova
(Wickens 1911)
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Bivalvia
- Nuculanida
- Malletiidae
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Australoneilo rossi
Zinsmeister 1984
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Scaphopoda
- Gadilida
- Gadilidae
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Cadulus (Cadulus) antarctotubulus n. sp.
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see common names |
Geography
Country: | Antarctica | State/province: | Seymour Island |
Coordinates: | 64.3° South, 56.8° West (view map) | ||
Paleocoordinates: | 63.4° South, 63.9° West | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | basin |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
Key time interval: | Ypresian | ||
Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Lithology and environment
Primary lithology: | planar lamination,deformed bedding,fine,concretionary unlithified silty,calcareous sandstone |
Secondary lithology: | gray silty claystone |
Includes fossils? | Y |
Lithology description: rare shell beds fine stratification muddy "thick beds of laminated, fine-grained sand and silty sands with sparse, silty, clay beds. The sands are typically flaser-bedded and convolute laminated; these alternate with dark grey, friable mudstones which coarsen upward. Some horizons contain iron-rich and moderately well-indurated sandstone and siltstone intervals." fossils not common but locally abundant in calcareous silty intervals | |
Environment: | coastal indet. |
Taphonomy
Modes of preservation: | body,original aragonite,original calcite |
Size of fossils: | macrofossils |
Associated major elements: | many |
Collection methods and comments
Collection excludes: | all microfossils,some macrofossils,difficult macrofossils |
Collection methods: | bulk,surface (float),surface (in situ),field collection |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:Mollusks only |
Metadata
Database number: | 63548 | ||
Authorizer: | L. Ivany | Enterer: | L. Ivany | Research group: | marine invertebrate |
Created: | 2006-08-16 11:39:43 | Last modified: | 2006-08-16 14:39:44 |
Access level: | the public | Released: | 2006-08-16 11:39:42 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
18284. | J. D. Stilwell and W. J. Zinsmeister. 1992. Molluscan Systematics and Biostratigraphy. Antarctic Research Series, AGU 55 [L. Ivany/L. Ivany/M. Uhen] |