La Meseta Fm Telm 3 (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 3 Member (La Meseta Formation), Ypresian (56.0 - 47.8 Ma)

• may be laterally correlative with Telm 2

• formation-level stratigraphic resolution

Environment/lithology: delta plain; unlithified, shelly/skeletal, silty, conglomeratic sandstone

• buff-weathering cross-bedded sands and silts, together with abundant shell beds and lenses

•includes large-scale, low-amplitude lenses of silty sandstones with shell-rich layers

•channel infillings are common, large-scale cross-bedding, numerous laterally extensive shell-bearing lenses

•internal lag deposits

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 63549: 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
unclassified
  -
Kallosinistrala antarctodelicata n. gen. n. sp.
Gastropoda
 Heterostropha - Acteonidae
Acteon eoantarcticus n. sp., Tornatellaea darwini n. sp.
Tornatellaea darwini n. sp. snail
 Heterostropha - Architectonicidae
Wangaloa disca n. sp.
Wangaloa disca n. sp. snail
 Heterostropha - Pyramidellidae
Turbonilla (Mormula) woodburnei n. sp.
 Neotaenioglossa - Calyptraeidae
Zegalerus coniculus n. sp., Sigapatella disapicula n. sp.
Zegalerus coniculus n. sp. slipper shell
Sigapatella disapicula n. sp. slipper shell
 Sorbeoconcha - Naticidae
Polinices (Polinices) cf. subtenuis
Polinices (Polinices) cf. subtenuis Ihering 1907 moon snail
 Neogastropoda - Turridae
Cosmasyrinx brychiosinus n. sp.
 Neogastropoda - Raphitomidae
Austrotoma oliveroi n. sp., Austrotoma ventricosa n. sp.
Austrotoma oliveroi n. sp. snail
Austrotoma ventricosa n. sp. snail
 Neogastropoda - Costellariidae
Conomitra iredalei n. sp., Austrosullivania lata n. gen. n. sp.
Conomitra iredalei n. sp. ribbed mitre
Austrosullivania lata n. gen. n. sp. ribbed mitre
 Neogastropoda - Cancellariidae
Pristimerica australis n. sp., Coptostoma notopolaris n. sp.
 Neogastropoda - Buccinidae
Austrobuccinum tuberosum n. gen. n. sp., Cyrtochetus (Cyrtochetus) bucciniformis, Penion australocapax n. sp., Eobuccinella brucei n. gen. n. sp., Pareuthria hookeri n. sp., Pareuthria mccormicki n. sp., Zelandiella verrucosa n. sp.
Austrobuccinum tuberosum n. gen. n. sp. Stilwell and Zinsmeister 1992 true whelk
Cyrtochetus (Cyrtochetus) bucciniformis Wilckens 1911 true whelk
Penion australocapax n. sp. true whelk
Eobuccinella brucei n. gen. n. sp. Stilwell and Zinsmeister 1992 true whelk
Pareuthria hookeri n. sp. true whelk
Pareuthria mccormicki n. sp. true whelk
Zelandiella verrucosa n. sp. true whelk
 Neogastropoda - Fasciolariidae
Fusinus graciloaustralis n. sp.
 Neogastropoda - Nassariidae
Sudonassarius antarctohimaleos n. gen. n. sp.
Sudonassarius antarctohimaleos n. gen. n. sp. Stilwell and Zinsmeister 1992 snail
 Neogastropoda - Mitridae
Mitra (Eumitra) monoplicata n. sp.
Mitra (Eumitra) monoplicata n. sp. mitre shell
 Neogastropoda - Volutidae
Eoscaphella fordycei n. gen. n. sp.
Eoscaphella fordycei n. gen. n. sp. Stilwell and Zinsmeister 1992 volute
 Sorbeoconcha - Aporrhaidae
"Arrhoges (Antarctohoges) diversicostata" = Antarctohoges
"Arrhoges (Antarctohoges) diversicostata" = Antarctohoges snail
 Sorbeoconcha - Struthiolariidae
Antarctodarwinella ellioti, Struthiolarella variabilis
Antarctodarwinella ellioti Zinsmeister 1976 snail
Struthiolarella variabilis Wilckens 1911 snail
 Sorbeoconcha - Ficidae
Austroficopsis seymourensis n. gen. n. sp., Austroficopsis wimani n. gen. n. sp.
Austroficopsis seymourensis n. gen. n. sp. Stilwell and Zinsmeister 1992 fig shell
Austroficopsis wimani n. gen. n. sp. Stilwell and Zinsmeister 1992 fig shell
 Opisthobranchia - Bullidae
Bulla glacialis
 Opisthobranchia - Cylichnidae
Scaphander (Kaitoa) duseni n. sp.
Scaphopoda
 Gadilida - Gadilidae
Cadulus (Cadulus) antarctotubulus n. sp.
Bivalvia
 Ostreida - Ostreidae
Ostrea antarctica
Ostrea antarctica Zinsmeister 1984 oyster
 Arcida - Cucullaeidae
Cucullaea raea
 Mytilida - Mytilidae
Mytilosootus arcuatus n. gen. n. sp., Modiolus thomsoni, Aulacomya andersoni
Mytilosootus arcuatus n. gen. n. sp. Stilwell and Zinsmeister 1992 mussel
 Carditida - Crassatellidae
Eucrassatella wilckensi
Eucrassatella wilckensi Median and Rinaldi 1978 clam
 Thraciida - Periplomatidae
Periploma topei
 Hiatellida - Hiatellidae
Panopea eightsi n. sp., Panopea akerlundi n. sp.
Panopea eightsi n. sp. Stilwell and Zinsmeister 1992 clam
Panopea akerlundi n. sp. Stilwell and Zinsmeister 1992 clam
 Cardiida - Sportellidae
Anisodonta truncilla n. sp.
 Cardiida - Tellinidae
Tellina (Tellinella) reflexa n. sp.
Tellina (Tellinella) reflexa n. sp. Stilwell and Zinsmeister 1992 tellin clam
 Cardiida - Lahillidae
Lahillia wilckensi
Lahillia wilckensi Zinsmeister 1984 clam
 Cardiida - Gaimardiidae
Gaimardia flemingi
Gaimardia flemingi Zinsmeister 1984 clam
 Cardiida - Mactridae
Mactra irizari, Nymphactra jonasseni n. gen. n. sp., Oxyperas (Pseudoxyperas) ortmanni
Mactra irizari Wilckens 1912 clam
Nymphactra jonasseni n. gen. n. sp. Stilwell and Zinsmeister 1992 clam
 Cardiida - Veneridae
Eurhomalea antarctica, Eurhomalea newtoni, Cockburnia lunulifera, Gomphina iheringi, "Cyclorismina" marwicki
Eurhomalea antarctica Sharman and Newton 1897 venus clam
Eurhomalea newtoni Wilckens 1911 venus clam
Cockburnia lunulifera Wilckens 1911 venus clam
Gomphina iheringi venus clam
"Cyclorismina" marwicki Zinsmeister 1984 venus clam
 Pholadida - Myidae
Mya (Geramya) ekelofi n. subgen. n. sp., Mya (Arenomya) sowerbyi, Mya (Arenomya) nucleoides
Mya (Geramya) ekelofi n. subgen. n. sp. Stilwell and Zinsmeister 1992 softshell clam
Mya (Arenomya) sowerbyi softshell clam
Mya (Arenomya) nucleoides Wilckens 1911 softshell clam
 Lucinida - Lucinidae
Saxolucina sharmani
Saxolucina sharmani Wilckens 1911 clam
 Solemyida - Solemyidae
Solemya peteri
Solemya peteri Awning Clam
 Nuculida - Nuculidae
Nucula (Leionucula) palmeri, Nucula (Leionucula) nova
Nucula (Leionucula) palmeri Zinsmeister 1984 nut clam
Nucula (Leionucula) nova Wickens 1911 nut clam
 Nuculanida - Malletiidae
Australoneilo rossi, Neilo maxwelli n. sp.
Australoneilo rossi clam
[entered as Australoneillo rossi]
Neilo maxwelli n. sp. Stilwell and Zinsmeister 1992 clam
 Nuculanida - Nuculanidae
Jupiteria (Surojupiteria) dissensa n. subgen. n. sp.
Jupiteria (Surojupiteria) dissensa n. subgen. n. sp. Stilwell and Zinsmeister 1992 pointed nut clam
 Nuculanida - Yoldiidae
Yoldiella leurovata n. sp.
Yoldiella leurovata n. sp. Stilwell and Zinsmeister 1992 clam
Aves
 Sphenisciformes - Spheniscidae
Palaeeudyptes gunnari
Palaeeudyptes gunnari Wiman 1905 penguin