Tortachilla Limestone - St Vincent Basin (Eocene to of Australia)

Also known as Tortachilla Limestone

Where: South Australia, Australia (35.3° S, 138.5° E: paleocoordinates 57.4° S, 133.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Tortachilla Limestone Formation, Middle Eocene to Middle Eocene (47.8 - 33.9 Ma)

• Middle-late Eocene, straddling the Johannian-Aldingan Stages; correlated by McGowan (1989) with the Nanarup Limestone Mbr of the Werillup Fm

• formation-level stratigraphic resolution

Environment/lithology: marine

• No specific lithologic data is provided.

Size class: macrofossils

Preservation: original aragonite

Collection methods: Collections are registered in the Western Australia Museum (WAM) and Museum of Victoria (NMV). Collected by Pas (1986).

Primary reference: T. A. Darragh and G. W. Kendrick. 2000. Eocene bivalves and gastropods from the Pallinup Siltstone, Western Australia, with new records from the Eocene and Oligocene of southeastern Australia. Proceedings of the Royal Society of Victoria 112(1):17-58 [A. Miller/A. Hendy/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 48443: authorized by Austin Hendy, entered by Austin Hendy on 19.03.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for mollusca
Echinoidea
 Spatangoida - Hemiasteridae
Hemiaster (Bolbaster) subidus n. sp. McNamara 1987 heart urchin
Psephoaster lissos McNamara 1987 heart urchin
Bivalvia
 Pectinida - Pectinoidae
Spondylus gaderopoides McCoy 1876 scallop
 Ostreida - Malleidae
Vulsella laevigata Tate 1886 oyster