Otway Basin, Voluta-1 Well, core C 13 (Cretaceous of Australia)

Where: Victoria, Australia (39.0° S, 143.5° E: paleocoordinates 67.2° S, 141.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Belfast Mudstone Formation (Sherbrook Group), Late/Upper Coniacian (89.3 - 85.8 Ma)

• samples 13.1-13.12, 2459-2468 m depth

• group of beds-level stratigraphic resolution

Environment/lithology: prodelta; lithified mudstone and lithified, fine-grained sandstone

• low-energy hydrodynamic regime in a quiescent, deeper shelf setting
• dark grey mudstone and minor fine sandstone

Size class: macrofossils

Collection methods: core,

Primary reference: J. D. Stilwell and S. J. Gallagher. 2009. Biostratigraphy and macroinvertebrate palaeontology of the petroleum-rich Belfast Mudstone (Sherbrook Group, uppermost Turonian to mid-Santonian), Otway Basin, southeastern Australia. Cretaceous Research 30:873-884 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90700: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Caryophylliidae
Trochocyathus (Platycyathus) sp. Fromentel 1863 stony coral
Gastropoda
 Cerithioidea -
Cerithioidea indet. FĂ©russac 1819 snail
 Sorbeoconcha - Aporrhaidae
 Heterostropha - Ringiculidae
? Ringiculidae indet. Philippi 1853 snail
Bivalvia
 Nuculida - Nuculidae
 Nuculanida - Nuculanidae
Mesosaccella sp. Chavan 1946 pointed nut clam
 Myalinida - Inoceramidae
 Ostreida - Pinnidae
? Pinna sp. Linnaeus 1758 oyster
Cephalopoda
 Nautilida - Nautilidae
? Eutrephoceras sp. Hyatt 1894 nautiloid
 Ammonitida - Binneyitidae
"Borissiakoceras sp." = Borissjakoceras
"Borissiakoceras sp." = Borissjakoceras Arkhangel'skii 1916 ammonite