Tortachilla Limestone (basal grit) (Eocene to of Australia)

Where: South Australia, Australia (35.2° S, 138.5° E: paleocoordinates 55.3° S, 133.4° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Tortachilla Limestone Formation, Late/Upper Eocene to Late/Upper Eocene (37.2 - 33.9 Ma)

• Aldingan (Upper Eocene), Carter's Unit 1.

• formation-level stratigraphic resolution

Environment/lithology: marine

• No specific lithologic data is provided.

Size class: macrofossils

Collection methods: The paleontological collection of the Department of Geology, University of Adelaide, the Geological Survey of South Australia, and several small private collections, were studied.

Primary reference: N. S. Pledge. 1967. Fossil Elasmobranch teeth of South Australia and their stratigraphic distribution. Transaction of the Royal Society of South Australia 91:135-160 [C. Jaramillo/C. Pimiento]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 159895: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 11.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Lamniformes - Odontaspididae
"Carcharias cuspidatus" = Araloselachus cuspidatus
"Carcharias cuspidatus" = Araloselachus cuspidatus Agassiz 1843 sand tiger shark
 Lamniformes - Carchariidae
 Lamniformes - Lamnidae
Isurus sp., "Isurus hastalis" = Carcharodon hastalis
Isurus sp. Rafinesque 1810 mackerel shark
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark
 Lamniformes - Otodontidae
"Lamna apiculata" = Otodus apiculatus
"Lamna apiculata" = Otodus apiculatus Agassiz 1838 mackerel shark