La Meseta Fm Telm 4: Ypresian, Antarctica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Struthioptera camachoi Zinsmeister 1977
Antarctodarwinella nordenskjoldi Wilkens 1911
Angiospermae - Moraceae
Ficus australis n. sp.
Reptilia
Anthropornis grandis (Wiman 1905)
Myrcha et al. 2002 2 specimens
Gastropoda - Epitoniidae
Amaea (Discoscala) suroclathrata n. sp.
Epitonium (Epitonium) charitopolos n. sp.
Gastropoda - Neotaenioglossa - Calyptraeidae
Sigapatella disapicula n. sp.
Gastropoda - Turritellidae
Colposigma euthenia n. sp. Stilwell and Zinsmeister 1992
Gastropoda - Naticidae
Globisinum powelli n. sp.
Polinices (Polinices) cf. subtenius
Gastropoda - Ficidae
Austroficopsis wimani n. gen., n. sp. Stilwell and Zinsmeister 1992
Gastropoda - Neogastropoda - Costellariidae
Conomitra cernohorskyi n. sp.
Conomitra iredalei n. sp.
Conomitra antarctolirata n. sp.
Austrosullivania striata n. gen., n. sp.
Austrosullivania lata n. gen., n. sp.
Gastropoda - Neogastropoda - Cancellariidae
Pristimerica australis n. sp.
Gastropoda - Neogastropoda - Mitridae
"Mitra" cramei n. sp.
"Mitra" thomsoni n. sp.
Mitra (Eumitra) monoplicata n. sp.
Mitra (Eumitra) sadleri n. sp.
Gastropoda - Neogastropoda - Fasciolariidae
Streptochetus (Streptolathyrus) polaris n. sp.
Taioma bicarinata n. sp.
Gastropoda - Neogastropoda - Buccinidae
Austrobuccinum tuberosum n. gen., n. sp. Stilwell and Zinsmeister 1992
Penion australocapax n. sp.
Zelandiella verrucosa n. sp.
Gastropoda - Neogastropoda - Nassariidae
Sudonassarius antarctohimaleos n. gen., n. sp. Stilwell and Zinsmeister 1992
Gastropoda - Neogastropoda - Volutidae
Eoscaphella ellioti n. gen., n. sp. Stilwell and Zinsmeister 1992
Gastropoda - Neogastropoda - Raphitomidae
Austrotoma oliveroi n. sp.
Gastropoda - Heterostropha - Pyramidellidae
Turbonilla (Ptycheulimella) cooki n. sp.
original and current combination Ptycheulimella
Orinella (Orinella) poliosura n. sp.
Gastropoda - Heterostropha - Architectonicidae
Wangaloa disca n. sp.
Typogrphical error in original pulication, this is uncertain
Gastropoda - Vasidae
Tudicla doylei n. sp.
Bivalvia - Nuculanida - Malletiidae
Australoneilo rossi Zinsmeister 1984
Bivalvia - Solemyida - Solemyidae
Solemya peteri
Bivalvia - Cardiida - Veneridae
Eurhomalea newtoni (Wilckens 1911)
Bivalvia - Cardiida - Mactridae
Mactra irizari Wilckens 1912
Bivalvia - Lucinida - Lucinidae
Saxolucina sharmani (Wilckens 1911)
Bivalvia - Carditida - Crassatellidae
Eucrassatella wilckensi (Median and Rinaldi 1978)
Bivalvia - Arcida - Cucullaeidae
Cucullaea raea
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
Stratigraphy
Formation:La Meseta Member:Telm 4
Stratigraphic resolution:formation
Stratigraphy comments: JA: Telm 4 is Ypresian according to Reguero et al. 2012
Lithology and environment
Primary lithology:lag,coarse,phosphatic,shelly/skeletal unlithified conglomeratic,calcareous sandstone
Includes fossils?Y
Lithology description: conglomeratic shell bed abundant phosphatic shark, skate, and ray teeth and vertebrate bones shells in bioclastic gray-brown coarse-grained, conglomeratic sandstone basal contact is erosive and scoured, with cobbles and phosphate crudely cross-bedded
Environment:estuary/bay
Glacial or sequence phase:transgressive surface
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:63550
Authorizer:L. Ivany, M. Uhen Enterer:L. Ivany, M. Uhen
Modifier:M. Uhen Research group:marine invertebrate
Created:2006-08-16 11:53:59 Last modified:2018-03-08 14:08:16
Access level:the public Released:2006-08-16 11:53:59
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]

Secondary references:

64969 A. Engelbrecht, T. Mörs, M. A. Reguero and J. Kriwet. 2017. New carcharhiniform sharks (Chondrichthyes, Elasmobranchii) from the early to middle Eocene of Seymour Island, Antarctic Peninsula. Journal of Vertebrate Paleontology 37(6):e1371724 [M. Uhen/M. Uhen]
196755% 56120A. Myrcha, P. Jadwiszczak, C. P. Tambussi, J. I. Noriega, A. Gazdzicki, A. Tatur, and R. A. Valle. 2002. Taxonomic revision of Eocene Antarctic penguins based on tarsometatarsal morphology. Polish Polar Research 23(1):5-46 [M. Uhen/M. Uhen/M. Uhen]