La Meseta Fm Telm 1 (Eocene of Antarctica)

Where: Seymour Island, Antarctica (64.3° S, 56.8° W: paleocoordinates 63.4° S, 63.9° W)

• coordinate stated in text

• basin-level geographic resolution

When: Telm 1 Member (La Meseta Formation), Ypresian (56.0 - 47.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, ferruginous, shelly/skeletal, conglomeratic sandstone

• "composed of a lower, thin, sandy, pebble-conglomerate interval (2 m) with discontinuous lens of shelly hash and clasts of pre-Tertiary rocks, overlain by iron-stained quartz sandstones

Size class: macrofossils

Preservation: original aragonite, original calcite

Collection methods: bulk, surface (float), surface (in situ),

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: biostratigraphic analysis

PaleoDB collection 63547: authorized by Linda Ivany, entered by Linda Ivany on 16.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Mollusks only
Gastropoda
 Sorbeoconcha - Naticidae
Polinices (Polinices) cf. subtenuis Ihering 1907 moon snail
 Heterostropha - Pyramidellidae
 Heterostropha - Mathildidae
Mathildidae indet. Dall 1889 snail
Bivalvia
 Carditida - Crassatellidae
Eucrassatella wilckensi Median and Rinaldi 1978 clam
 Lucinida - Lucinidae
Saxolucina sharmani Wilckens 1911 clam
 Cardiida - Veneridae
Cockburnia lunulifera Wilckens 1911 venus clam
Eurhomalea newtoni Wilckens 1911 venus clam
 Ostreida - Pteriidae
Electroma notiala n. sp. Stilwell and Zinsmeister 1992 pearl oyster
 Ostreida - Ostreidae
Ostrea antarctica Zinsmeister 1984 oyster
 Pectinida - Pectinoidae
"Chlamys" sp. Röding 1798 scallop