Island Cliff Farm-Small Mesa (Oligocene of New Zealand)

Where: North Otago, New Zealand (45.0° S, 171.0° E: paleocoordinates 51.5° S, 173.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Otekaike Formation, Oligocene (33.9 - 23.0 Ma)

• The shake-bearing horizon is 9.9 m above the locally-exposed base of the Kokoamu Greensand. The total sequence at the site is approx. 25 m thick.

• bed-level stratigraphic resolution

Environment/lithology: marine; glauconitic, shelly/skeletal, green, calcareous sandstone

Size class: macrofossils

Preservation: original phosphate, replaced with phosphate, replaced with other

Collected by R. E. Fordyce, A. Grenbneff, B. V. N Black, H. Ichishima, J. Daniels, C. M. Jenkins, G. B. McMurtrie, G. Curline, and S. Rust in 1994 and 4-6 January 1995; reposited in the OU

Collection methods: quarrying, mechanical

• Repository: Otago Department of Geology paleontology collections (OU 22261)

Primary reference: M. D. Gottfried and R. E. Fordyce. 2001. An Associated Specimen of Carcharodon angustidens (Chondrichthyes, Lamnidae) from the Late Oligocene of New Zealand, with Comments on Carcharodon Interrelationships. Journal of Vertebrate Paleontology 21(4):730-739 [S. Peters/S. McMullen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134376: authorized by Shanan Peters, entered by Sharon McMullen on 08.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• The site has produced a diverse marine vertebrate fauna including other neoselachian sharks, teleost fishes, penguins, and cetaceans.
 Globigerinaceae - Globigerinidae
Ostracoda
 Podocopida -
Bivalvia
 Pectinida - Pectinoidae
Lentipecten hochstetteri Zittel 1864 scallop
Chondrichthyes
 Lamniformes - Otodontidae
"Carcharodon angustidens" = Otodus (Carcharocles) angustidens
"Carcharodon angustidens" = Otodus (Carcharocles) angustidens Agassiz 1843 mackerel shark