La Meseta Fm Telm 4 (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 4 Member (La Meseta Formation), Ypresian (56.0 - 47.8 Ma)

• JA: Telm 4 is Ypresian according to Reguero et al. 2012

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; unlithified, lag, coarse-grained, phosphatic, shelly/skeletal, conglomeratic, calcareous sandstone

• 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

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 63550: authorized by Linda Ivany, entered by Linda Ivany on 16.08.2006, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• Mollusks only
Show authors, comments, and common names
Aves
 Sphenisciformes -
Anthropornis grandis
Anthropornis grandis Wiman 1905 penguin
Gastropoda
 Heterostropha - Pyramidellidae
"Turbonilla (Ptycheulimella) cooki n. sp." = Ptycheulimella, Orinella (Orinella) poliosura n. sp.
"Turbonilla (Ptycheulimella) cooki n. sp." = Ptycheulimella snail
 Heterostropha - Architectonicidae
Wangaloa disca n. sp.
Wangaloa disca n. sp. snail
Typogrphical error in original pulication, this is uncertain
 Ptenoglossa - Vasidae
Tudicla doylei n. sp.
Tudicla doylei n. sp. snail
 Cerithioidea - Turritellidae
Colposigma euthenia n. sp.
Colposigma euthenia n. sp. Stilwell and Zinsmeister 1992 turret shell
 Neotaenioglossa - Calyptraeidae
Sigapatella disapicula n. sp.
Sigapatella disapicula n. sp. slipper shell
 Epitonioidea - Epitoniidae
Epitonium (Epitonium) charitopolos n. sp., Amaea (Discoscala) suroclathrata n. sp.
 Sorbeoconcha - Naticidae
Polinices (Polinices) cf. subtenius, Globisinum powelli n. sp.
Globisinum powelli n. sp. moon snail
 Neogastropoda - Fasciolariidae
Taioma bicarinata n. sp., Streptochetus (Streptolathyrus) polaris n. sp.
Taioma bicarinata n. sp. snail
 Neogastropoda - Nassariidae
Sudonassarius antarctohimaleos n. gen. n. sp.
Sudonassarius antarctohimaleos n. gen. n. sp. Stilwell and Zinsmeister 1992 snail
 Neogastropoda - Buccinidae
Zelandiella verrucosa n. sp., Penion australocapax n. sp., Austrobuccinum tuberosum n. gen. n. sp.
Zelandiella verrucosa n. sp. true whelk
Penion australocapax n. sp. true whelk
Austrobuccinum tuberosum n. gen. n. sp. Stilwell and Zinsmeister 1992 true whelk
 Neogastropoda - Cancellariidae
Pristimerica australis n. sp.
 Neogastropoda - Mitridae
"Mitra" cramei n. sp., "Mitra" thomsoni n. sp., Mitra (Eumitra) monoplicata n. sp., Mitra (Eumitra) sadleri n. sp.
"Mitra" cramei n. sp. mitre shell
"Mitra" thomsoni n. sp. mitre shell
Mitra (Eumitra) monoplicata n. sp. mitre shell
Mitra (Eumitra) sadleri n. sp. mitre shell
 Neogastropoda - Raphitomidae
Austrotoma oliveroi n. sp.
Austrotoma oliveroi n. sp. snail
 Neogastropoda - Costellariidae
Austrosullivania striata n. gen. n. sp., Austrosullivania lata n. gen. n. sp., Conomitra cernohorskyi n. sp., Conomitra iredalei n. sp., Conomitra antarctolirata n. sp.
Austrosullivania striata n. gen. n. sp. ribbed mitre
Austrosullivania lata n. gen. n. sp. ribbed mitre
Conomitra cernohorskyi n. sp. ribbed mitre
Conomitra iredalei n. sp. ribbed mitre
Conomitra antarctolirata n. sp. ribbed mitre
 Neogastropoda - Volutidae
Eoscaphella ellioti n. gen. n. sp.
Eoscaphella ellioti n. gen. n. sp. Stilwell and Zinsmeister 1992 volute
 Sorbeoconcha - Ficidae
Austroficopsis wimani n. gen. n. sp.
Austroficopsis wimani n. gen. n. sp. Stilwell and Zinsmeister 1992 fig shell
Bivalvia
 Nuculanida - Malletiidae
Australoneilo rossi
Australoneilo rossi Zinsmeister 1984 clam
 Solemyida - Solemyidae
Solemya peteri
Solemya peteri Awning Clam
 Arcida - Cucullaeidae
Cucullaea raea
 Cardiida - Veneridae
Eurhomalea newtoni
Eurhomalea newtoni Wilckens 1911 venus clam
 Cardiida - Mactridae
Mactra irizari
Mactra irizari Wilckens 1912 clam
 Lucinida - Lucinidae
Saxolucina sharmani
Saxolucina sharmani Wilckens 1911 clam
 Carditida - Crassatellidae
Eucrassatella wilckensi
Eucrassatella wilckensi Median and Rinaldi 1978 clam
Angiospermae
 Rosids - Moraceae
Ficus australis n. sp.
Ficus australis n. sp. fig