La Meseta Fm Telm 6: Bartonian, Antarctica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Trochidae
"Antisolarium" abstrusum n. sp.
Gastropoda - Neotaenioglossa - Calyptraeidae
Zegalerus coniculus n. sp.
Gastropoda - Aporrhaidae
Arrhoges (Antarctohoges) diversicostata
spelled with current rank as Antarctohoges
Gastropoda - Struthiolariidae
Perissodonta laevis Wilckens 1911
Struthiolarella variabilis Wilckens 1911
Gastropoda - Neogastropoda - Buccinidae
Cyrtochetus (Cyrtochetus) bucciniformis Wilckens 1911
Austrobuccinum tuberosum n. sp. Stilwell and Zinsmeister 1992
"Cominella" crozieri n. sp.
Gastropoda - Neogastropoda - Nassariidae
Bullia (Buccinanops) antarctica
Sudonassarius antarctohimaleos n. sp. Stilwell and Zinsmeister 1992
Gastropoda - Neogastropoda - Fasciolariidae
Streptochetus (Streptolathyrus) polaris n. sp.
Gastropoda - Neogastropoda - Borsoniidae
Zemacies canalomos n. sp.
Zemacies finlayi n. sp.
Gastropoda - Neogastropoda - Raphitomidae
Austrotoma oliveroi n. sp.
Gastropoda - Neogastropoda - Volutidae
Pachymelon (Palomelon) suropsilos n. sp. Stilwell and Zinsmeister 1992
Gastropoda - Ficidae
Austroficopsis wimani n. sp. Stilwell and Zinsmeister 1992
Ficus (Diconoficus) meridionalis n. sp.
synonym of Ficus
Gastropoda - Ranellidae
"Turritriton" suroabditus n. sp.
Gastropoda - Naticidae
Polinices (Polinices) cf. subtenuis (Ihering 1907)
Gastropoda - Vermetidae
Serpulorbis hormathos n. sp.
Gastropoda - Heterostropha - Architectonicidae
Wangaloa disca n. sp.
Gastropoda - Heterostropha - Mathildidae
Gegania (Tubena) antarctodema n. sp.
synonym of Gegania
Gastropoda - Opisthobranchia - Bullidae
Bulla glacialis
Gastropoda - Opisthobranchia - Cylichnidae
Scaphander (Kaitoa) antarctidis
Bivalvia - Arcida - Cucullaeidae
Cucullaea donaldi
Bivalvia - Pectinida - Pectinidae
"Chlamys" sp. Röding 1798
Bivalvia - Ostreida - Ostreidae
Ostrea seymourensis Zinsmeister 1984
Bivalvia - Mytilida - Mytilidae
"Perna" sp. Retzius 1788
Arcuatula sootryeni n. sp. Stilwell and Zinsmeister 1992
Modiolus thomsoni
Bivalvia - Lucinida - Lucinidae
Saxolucina sharmani (Wilckens 1911)
Bivalvia - Pholadida - Myidae
Mya (Arenomya) nucleoides (Wilckens 1911)
Mya (Geramya) ekelofi n. sp. Stilwell and Zinsmeister 1992
Bivalvia - Cardiida - Veneridae
Eurhomalea florentinoi Zinsmeister 1984
Eurhomalea newtoni (Wilckens 1911)
"Cyclorismina" marwicki Zinsmeister 1984
Bivalvia - Cardiida - Mactridae
Oxyperas (Pseudoxyperas) ortmanni
Mactra irizari Wilckens 1912
Nymphactra jonasseni n. sp. Stilwell and Zinsmeister 1992
Bivalvia - Hiatellida - Hiatellidae
Panopea philippii
Panopea eightsi n. sp. Stilwell and Zinsmeister 1992
Hiatella tenuis (Wilckens 1911)
Bivalvia - Carditida - Carditidae
Cyclocardia mesembria n. sp. Stilwell and Zinsmeister 1992
Bivalvia - Nuculanida - Yoldiidae
Yoldiella leurovata n. sp. Stilwell and Zinsmeister 1992
Lingulata - Lingulida - Lingulidae
Glottidia antarctica (Buckman 1910)
Emig and Bitner 2005
Reptilia
Delphinornis sp. Wiman 1905
Myrcha et al. 2002 1 specimen
see common names

Geography
Country:Antarctica State/province:Seymour Island
Coordinates: 64.3° South, 56.8° West (view map)
Paleocoordinates:64.1° South, 59.8° West
Basis of coordinate:stated in text
Geographic resolution:basin
Time
Period:Paleogene Epoch:Eocene
Stage:Bartonian 10 m.y. bin:Cenozoic 3
Key time interval:Bartonian
Age range of interval:41.30000 - 38.00000 m.y. ago
Stratigraphy
Formation:La Meseta Member:Telm 6
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:wave ripples,shelly/skeletal,brown,gray poorly lithified conglomeratic sandstone
Includes fossils?Y
Lithology description: conglomeratic shell beds with intervals of loosely consolidated grey and brown sands containing shell hash shells mostly in medium to fine grained moderately well sorted and well indurated grey quartz sandstone that weathers red
Environment:estuary/bay
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils
Associated major elements:many
Collection methods and comments
Collection excludes:all microfossils,some macrofossils,difficult macrofossils
Collection methods:bulk,surface (float),surface (in situ),field collection
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:Mollusks only
Metadata
Database number:63552
Authorizer:L. Ivany, A. Hendy, M. Uhen Enterer:L. Ivany, M. Uhen, A. Hendy
Modifier:M. Uhen Research group:marine invertebrate
Created:2006-08-16 12:06:46 Last modified:2018-03-08 14:08:49
Access level:the public Released:2006-08-16 12:06:46
Creative Commons license:CC BY
Reference information

Primary reference:

18284. J. D. Stilwell and W. J. Zinsmeister. 1992. Molluscan Systematics and Biostratigraphy. Antarctic Research Series, AGU 55 [L. Ivany/L. Ivany/M. Uhen]

Secondary references:

30445 C. C. Emig and M. A. Bitner. 2005. Glottidia (Brachiopod: Lingulidae) from the Eocene La Meseta Formation, Seymour Island, Antarctica. Palaeontology 48(2):423-431 [A. Hendy/A. Hendy]
64969 A. Engelbrecht, T. Mörs, M. A. Reguero and J. Kriwet. 2017. New carcharhiniform sharks (Chondrichthyes, Elasmobranchii) from the early to middle Eocene of Seymour Island, Antarctic Peninsula. Journal of Vertebrate Paleontology 37(6):e1371724 [M. Uhen/M. Uhen]
196755% 56120A. Myrcha, P. Jadwiszczak, C. P. Tambussi, J. I. Noriega, A. Gazdzicki, A. Tatur, and R. A. Valle. 2002. Taxonomic revision of Eocene Antarctic penguins based on tarsometatarsal morphology. Polish Polar Research 23(1):5-46 [M. Uhen/M. Uhen/M. Uhen]