Gibbon Bay Shale, South Orkney Islands (Jurassic to of Antarctica)

Where: Antarctica (60.7° S, 45.2° W: paleocoordinates 55.9° S, 42.4° W)

• coordinate stated in text

• local area-level geographic resolution

When: Tithonian to Tithonian (152.1 - 100.5 Ma)

• Late Jurassic (Tithonian) or earliest Cretaceous

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; ferruginous, calcareous shale

• dark-coloured shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collection methods: bulk, mechanical,

Primary reference: M. R. A. Thomson. 1981. Late Mesozoic stratigraphy and invertebrate palaeontology of the South Orkney Isalnds. British Antarctic Survey Bulletin (54)65-83 [W. Kiessling/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 36805: authorized by Wolfgang Kiessling, entered by Sabine N├╝rnberg on 16.02.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Entoliidae
Entolium sp. Meek 1865 scallop
 Pectinida - Pectinoidae
Camptonectes sp. n. sp. Meek 1864 scallop
 Ostreida - Gryphaeidae
? Exogyra sp. Say 1820 oyster
 Carditida - Astartidae
Astarte sp. Sowerby 1816 clam
 Nuculida - Nuculidae
Nucula (? Leionucula) sp. Quenstedt 1930 nut clam
 Protobranchia - Nuculanidae
? Nuculana sp. Link 1807 pointed nut clam
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
Scaphopoda
  -
? Scaphopoda indet. Bronn 1862 tusk shell
Cephalopoda
 Belemnoidea - Belemnopseidae
 Ammonitida - Lytoceratidae
Lytoceras sp. Suess 1865 ammonite
Rhynchonellata
 Rhynchonellida -
Steinmannia
  -
? Steinmannia sp. Waagen and Wentzel 1888