PBDB Collection

La Meseta Fm Telm 7 (Eocene of Antarctica)

Where: Seymour Island, Antarctica (64.3° S, 56.8° W: paleocoordinates 64.3° S, 58.7° W)

• coordinate stated in text

• basin-level geographic resolution

When: Telm 7 Member (La Meseta Formation), Priabonian (38.0 - 33.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; poorly lithified, fine-grained, medium, concretionary, silty, calcareous sandstone

• medium to fine graines sandstone, within intervals of laminated very fine grained sandstone and silty clay, and sparsely distributed beds and lenses of buff somewhat resistant carbonate-cemented, fossiliferous and pebbly 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 63553: authorized by Linda Ivany, entered by Linda Ivany on 16.08.2006, edited by Mark Uhen and Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

• Mollusks only

Show authors, comments, and common names

Aves
Sphenisciformes - Spheniscidae	? Palaeeudyptes klekowskii², Orthopteryx gigas n. gen. n. sp.⁵ ? Palaeeudyptes klekowskii² Myrcha et al. 2002 penguin Orthopteryx gigas n. gen. n. sp.⁵ Wiman 1905 penguin author is not clear as to a specific locality
Sphenisciformes -	Wimanornis seymourensis n. sp.³, Tonniornis minimum n. sp.⁴, Tonniornis mesetaensis n. gen. n. sp.⁴, Anthropornis sp.² Wimanornis seymourensis n. sp.³ Simpson 1971 penguin Tonniornis minimum n. sp.⁴ Tambussi et al. 2006 penguin authors do not list a specific locality Tonniornis mesetaensis n. gen. n. sp.⁴ Tambussi et al. 2006 penguin authors do not list a specific locality Anthropornis sp.² Wiman 1905 penguin
Lingulata
Lingulida - Lingulidae	Glottidia antarctica¹ Glottidia antarctica¹ Buckman 1910
Scaphopoda
Dentaliida - Dentaliidae	Dentalium (Dentalium) pulchrum Dentalium (Dentalium) pulchrum tusk shell
Bivalvia
Lucinida - Lucinidae	Saxolucina sharmani Saxolucina sharmani Wilckens 1911 clam
Hiatellida - Hiatellidae	Panopea philippii, Hiatella tenuis Panopea philippii clam Hiatella tenuis Wilckens 1911 clam
Cardiida - Sportellidae	Anisodonta subovata n. sp. Anisodonta subovata n. sp. Stilwell and Zinsmeister 1992 clam
Cardiida - Veneridae	Eurhomalea florentinoi Eurhomalea florentinoi Zinsmeister 1984 venus clam
Pholadida - Myidae	Mya (Arenomya) nucleoides Mya (Arenomya) nucleoides Wilckens 1911 softshell clam
Arcida - Cucullaeidae	Cucullaea donaldi Cucullaea donaldi clam
Pectinida - Pectinoidae	"Chlamys" sp. "Chlamys" sp. Röding 1798 scallop
Ostreida - Pteriidae	Electroma notiala n. sp. Electroma notiala n. sp. Stilwell and Zinsmeister 1992 pearl oyster
Ostreida - Pinnidae	Pinna sobrali Pinna sobrali oyster
Ostreida - Ostreidae	Ostrea seymourensis Ostrea seymourensis Zinsmeister 1984 oyster
Mytilida - Mytilidae	Arcuatula sootryeni n. sp., Botula pirriei n. sp., Modiolus thomsoni Arcuatula sootryeni n. sp. Stilwell and Zinsmeister 1992 mussel Botula pirriei n. sp. Stilwell and Zinsmeister 1992 mussel Modiolus thomsoni mussel
Gastropoda
Opisthobranchiata - Cylichnidae	Scaphander (Kaitoa) schmitti n. sp. Scaphander (Kaitoa) schmitti n. sp. snail
Opisthobranchiata - Bullidae	Bulla glacialis Bulla glacialis snail
Patellida - Nacellidae	Cellana feldmanni n. sp. Cellana feldmanni n. sp. limpet
Sorbeoconcha - Vermetidae	Serpulorbis hormathos n. sp. Serpulorbis hormathos n. sp. worm shell
Neogastropoda - Fasciolariidae	Fusinus suraknisos n. sp. Fusinus suraknisos n. sp. snail
Neogastropoda - Nassariidae	Sudonassarius antarctohimaleos n. gen. n. sp. Sudonassarius antarctohimaleos n. gen. n. sp. Stilwell and Zinsmeister 1992 snail
Neogastropoda - Buccinidae	Aeneator lawsi n. sp., Cominella (Josepha) ottoi n. sp., Cyrtochetus (Cyrtochetus) bucciniformis Aeneator lawsi n. sp. true whelk Cominella (Josepha) ottoi n. sp. true whelk Cyrtochetus (Cyrtochetus) bucciniformis Wilckens 1911 true whelk
Neogastropoda - Turridae	Cosmasyrinx brychiosinus n. sp. Cosmasyrinx brychiosinus n. sp. turrid
Neogastropoda - Borsoniidae	Zemacies canalomos n. sp., Zemacies finlayi n. sp. Zemacies canalomos n. sp. snail Zemacies finlayi n. sp. snail
Neogastropoda - Muricidae	Xymene lamesetaensis n. sp., Lenitrophon suteri n. sp. Xymene lamesetaensis n. sp. murex snail Lenitrophon suteri n. sp. murex snail
Sorbeoconcha - Struthiolariidae	Perissodonta laevis Perissodonta laevis Wilckens 1911 snail
Sorbeoconcha - Aporrhaidae	"Arrhoges (Antarctohoges) diversicostata" = Antarctohoges, "Arrhoges (Antarctohoges) arcuacheilos n. sp." = Antarctohoges arcuacheilos "Arrhoges (Antarctohoges) diversicostata" = Antarctohoges snail "Arrhoges (Antarctohoges) arcuacheilos n. sp." = Antarctohoges arcuacheilos Stilwell and Zinsmeister 1992 snail

¹Emig and Bitner 2005; ²Jadwiszczak 2011; ³Simpson 1971; ⁴Tambussi et al. 2006; ⁵Wiman 1905