Where: Seymour Island, Antarctica (64.3° S, 56.8° W: paleocoordinates 64.1° S, 59.8° W)
• coordinate stated in text
• basin-level geographic resolution
When: Telm 6 Member (La Meseta Formation), Bartonian (41.3 - 38.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: estuary or bay; poorly lithified, shelly/skeletal, brown, gray, conglomeratic sandstone
•shells mostly in medium to fine grained moderately well sorted and well indurated grey quartz sandstone that weathers red
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 63552: 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
Aves | |
| |
Lingulata | |
Glottidia antarctica1 Buckman 1910 | |
Bivalvia | |
"Perna" sp. Retzius 1788 mussel
Modiolus thomsoni mussel
Arcuatula sootryeni n. sp. Stilwell and Zinsmeister 1992 mussel | |
Cucullaea donaldi clam | |
Ostrea seymourensis Zinsmeister 1984 oyster | |
"Chlamys" sp. Röding 1798 scallop | |
Cyclocardia mesembria n. sp.
Cyclocardia mesembria n. sp. Stilwell and Zinsmeister 1992 clam | |
Saxolucina sharmani Wilckens 1911 clam | |
Mya (Arenomya) nucleoides Wilckens 1911 softshell clam
Mya (Geramya) ekelofi n. sp. Stilwell and Zinsmeister 1992 softshell clam | |
"Cyclorismina" marwicki Zinsmeister 1984 venus clam
Eurhomalea florentinoi Zinsmeister 1984 venus clam
Eurhomalea newtoni Wilckens 1911 venus clam | |
Mactra irizari Wilckens 1912 clam
Nymphactra jonasseni n. sp. Stilwell and Zinsmeister 1992 clam | |
Hiatella tenuis Wilckens 1911 clam
Panopea philippii clam
Panopea eightsi n. sp. Stilwell and Zinsmeister 1992 clam | |
Yoldiella leurovata n. sp.
Yoldiella leurovata n. sp. Stilwell and Zinsmeister 1992 clam | |
Gastropoda | |
"Antisolarium" abstrusum n. sp.
"Antisolarium" abstrusum n. sp. top snail | |
Bulla glacialis snail | |
Wangaloa disca n. sp.
Wangaloa disca n. sp. snail | |
"Gegania (Tubena) antarctodema n. sp." = Gegania
"Gegania (Tubena) antarctodema n. sp." = Gegania snail | |
Polinices (Polinices) cf. subtenuis Ihering 1907 moon snail | |
Serpulorbis hormathos n. sp.
Serpulorbis hormathos n. sp. worm shell | |
Austroficopsis wimani n. sp., "Ficus (Diconoficus) meridionalis n. sp." = Ficus
Austroficopsis wimani n. sp. Stilwell and Zinsmeister 1992 fig shell
"Ficus (Diconoficus) meridionalis n. sp." = Ficus fig shell | |
"Cominella" crozieri n. sp., Austrobuccinum tuberosum n. sp., Cyrtochetus (Cyrtochetus) bucciniformis
"Cominella" crozieri n. sp. true whelk
Austrobuccinum tuberosum n. sp. Stilwell and Zinsmeister 1992 true whelk
Cyrtochetus (Cyrtochetus) bucciniformis Wilckens 1911 true whelk | |
Sudonassarius antarctohimaleos n. sp. Stilwell and Zinsmeister 1992 snail | |
Streptochetus (Streptolathyrus) polaris n. sp. snail | |
Austrotoma oliveroi n. sp.
Austrotoma oliveroi n. sp. snail | |
Zemacies canalomos n. sp., Zemacies finlayi n. sp.
Zemacies canalomos n. sp. snail
Zemacies finlayi n. sp. snail | |
Pachymelon (Palomelon) suropsilos n. sp. Stilwell and Zinsmeister 1992 volute | |
Perissodonta laevis Wilckens 1911 snail
Struthiolarella variabilis Wilckens 1911 snail | |
"Arrhoges (Antarctohoges) diversicostata" = Antarctohoges
"Arrhoges (Antarctohoges) diversicostata" = Antarctohoges snail | |
"Turritriton" suroabditus n. sp.
"Turritriton" suroabditus n. sp. triton shell | |
Zegalerus coniculus n. sp.
Zegalerus coniculus n. sp. slipper shell |