Knight (Eocene of Australia)

Where: South Australia, Australia (37.8° S, 140.8° E: paleocoordinates 59.9° S, 138.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Night Formation, Middle Eocene (48.6 - 37.2 Ma)

• Chattian according with Fitzgerald (2004)

Environment/lithology: coastal

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: taxonomic analysis

PaleoDB collection 159894: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 11.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Plagiostomi - Squalidae
"Lamna obliqua" = Otodus obliquus
"Lamna obliqua" = Otodus obliquus Agassiz 1843 dogfish shark
 Myliobatiformes - Myliobatidae
Myliobatis sp. Cuvier 1816 eagle ray
 Lamniformes - Lamnidae
"Isurus desorii" = Isurus oxyrinchus, "Carcharias cuspidatus" = Lamna cuspidata
"Isurus desorii" = Isurus oxyrinchus Rafinesque 1810 mako shark
"Carcharias cuspidatus" = Lamna cuspidata Agassiz 1843 mackerel shark
 Lamniformes - Odontaspididae
"Carcharias contortidens" = Odontaspis contortidens Agassiz 1843 sand tiger shark
Carcharias rutoti sand shark
Carcharias dubius sand shark
 Carchariniformes - Carcharhinidae
Galeocerdo sp. Müller and Henle 1837 tiger shark
 Hexanchiformes - Hexanchidae
Notidanus serratissimus Agassiz 1843 cow shark