PU 1058 (Telm V) - Seymour Island: Ypresian - Lutetian, Antarctica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Naticidae
Polinices (Polinices) cf. subtenuis (Ihering 1907)
Gastropoda - Struthiolariidae
Antarctodarwinella nordenskjodi
Perissodonta laevis Wilckens 1911
Gastropoda - Neogastropoda - Raphitomidae
Austrotoma oliveroi n. sp.
Gastropoda - Neogastropoda - Borsoniidae
Zemacies finlayi n. sp.
Gastropoda - Neogastropoda - Buccinidae
Eobuccinella brucei n. sp. Stilwell and Zinsmeister 1992
Austrobuccinum tuberosum n. gen., n. sp. Stilwell and Zinsmeister 1992
Gastropoda - Neogastropoda - Nassariidae
Sudonassarius antarctohimaleos n. gen., n. sp. Stilwell and Zinsmeister 1992
Bivalvia - Arcida - Cucullaeidae
Cucullaea raea
Bivalvia - Pectinida - Pectinidae
"Chlamys" informal sp. B Röding 1798
Bivalvia - Mytilida - Mytilidae
"Perna" sp. Retzius 1788
Bivalvia - Lucinida - Lucinidae
Saxolucina sharmani (Wilckens 1911)
Bivalvia - Hiatellida - Hiatellidae
Panopea philippi
Hiatella tenuis (Wilckens 1911)
Bivalvia - Cardiida - Lahillidae
Lahillia wilckensi Zinsmeister 1984
Bivalvia - Cardiida - Veneridae
Eurhomalea sp. Cossmann 1920
Eurhomalea newtoni (Wilckens 1911)
"Cyclorismina" marwicki Zinsmeister 1984
Bivalvia - Cardiida - Mactridae
Mactra irizari Wilckens 1912
see common names

Geography
Country:Antarctica
Coordinates: 64.3° South, 56.8° West (view map)
Paleocoordinates:63.5° South, 63.0° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2
Key time interval:Ypresian - Lutetian
Age range of interval:56.00000 - 41.20000 m.y. ago
Stratigraphy
Formation:La Meseta Member:Telm 5
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Telm 5 of the La Meseta Fm, which overlies the Cross Valley Fm and is unconformably overlain by Quaternary deposits. THICKNESS: Unknown, within 294 m thick section. AGE: Middle Eocene. Within the Struthiolarella steinmanni zone. STRATIGRAPHIC POSITION: In upper part of section; equivalent to PU 478.
Lithology and environment
Primary lithology:fine,coarse,shelly/skeletal,gray lithified sandy conglomerate
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Conglomerate with coarse- to -fine-grained quartz matrix; grey, weathers broand, poorly sorted grains are subanguluar, cobble-boulder-sized clasts, shelly hash. LITHIFICATION: Lithified, based on facies desicriptions of adajcent strata.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Barrier island to nearshore tidal and wave-dominated environment; high-energy. TEMPERATURE: Warm-temperate fauna.
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:macrofossils
Abundance in sediment:abundant
Disassociated major elements:many
Size sorting:poor
Fragmentation:frequent
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: COLLECTOR: J. D. Stilwell and M. O. Woodburne, December, 1986. REPOSITORY: USNM.
Taxonomic list comments:COVERAGE: Exhaustive for Bivalvia, Gastropoda, and Cephalopoda. NOMENCLATURE: Authoritative publication with modern nomenclature, use of endemic generic/subgeneric names, and consistent use of species-level assignments.
Metadata
Also known as:PU 478
Database number:72399
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:G. Varnham Research group:marine invertebrate
Created:2007-06-02 13:41:16 Last modified:2022-04-06 07:08:06
Access level:authorizer only Released:2008-06-02 13:41:16
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]