PU 1080 (Telm V) - Seymour Island (Eocene to of Antarctica)

Where: Antarctica (64.3° S, 56.8° W: paleocoordinates 63.5° S, 63.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Telm 5 Member (La Meseta Formation), Ypresian to Ypresian (56.0 - 41.3 Ma)

• 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.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

• ENVIRONMENT: Barrier island to nearshore tidal and wave-dominated environment. TEMPERATURE: Warm-temperate fauna.
• SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Lithified, based on descriptions of adjacent strata..

Size class: macrofossils

Reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: J. D. Stilwell and M. O. Woodburne, December, 1986. REPOSITORY: USNM.

Primary reference: J. D. Stilwell and W. J. Zinsmeister. 1992. Molluscan Systematics and Biostratigraphy. Antarctic Research Series, AGU 55 [L. Ivany/L. Ivany/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72402: authorized by Austin Hendy, entered by Austin Hendy on 02.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• 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.
Gastropoda
 Neotaenioglossa - Calyptraeidae
Zegalerus coniculus slipper shell
 Cerithioidea - Cerithiidae
Bittium antarctonodosum n. sp. cerith snail
 Cerithioidea - Turritellidae
Colposigma euthenia n. sp. Stilwell and Zinsmeister 1992 turret shell
 Neogastropoda - Nassariidae
Sudonassarius antarctohimaleos n. sp. Stilwell and Zinsmeister 1992 snail
 Neogastropoda - Raphitomidae
Austrotoma oliveri n. sp. snail
 Sorbeoconcha - Naticidae
Polinices (Polinices) cf. subtenuis Ihering 1907 moon snail
 Heterostropha - Pyramidellidae
"Turbonilla ("Ptycheulimella") aersispira n. sp." = Ptycheulimella
"Turbonilla ("Ptycheulimella") aersispira n. sp." = Ptycheulimella snail
Bivalvia
 Arcida - Cucullaeidae
 Ostreida - Ostreidae
Ostrea antarctica Zinsmeister 1984 oyster
 Lucinida - Lucinidae
Saxolucina sharmani Wilckens 1911 clam
 Cardiida - Veneridae
"Cyclorismina" marwicki Zinsmeister 1984 venus clam