Otaio Gorge Sandstone, Otaio Gorge (Gair, 1959) (Eocene of New Zealand)

Where: Canterbury, New Zealand (44.5° S, 170.9° E: paleocoordinates 52.6° S, 165.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Otaio Gorge Sandstone Formation, Lutetian (47.8 - 41.3 Ma)

• Porangan local stage = middle to upper Luetatian stage.

• bed-level stratigraphic resolution

Environment/lithology: offshore; pebbly, shelly/skeletal sandstone

• Paleoenvironmental information not provided. Appears to be offshore shelf assemblage (inner shelf).
• Fossiliferous, pebbly sandstone

Size class: macrofossils

Collection methods: quarrying,

• Collection likely to be reposited in IGNS (New Zealand Geological Survey) collections.

Primary reference: H. S. Gair. 1958. The Tertiary geology of the Pareora District, South Canterbury. New Zealand Journal of Geology and Geophysics 2:265-296 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 50161: authorized by Austin Hendy, entered by Austin Hendy on 09.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified by D.J. Marwick. Nomenclature revised by A. Hendy (2005) - PhD thesis
Gastropoda
 Cerithioidea - Turritellidae
Zeacolpus (Zeacolpus) sp. Finlay 1926 turret shell
Spirocolpus sp. n. sp. Finlay 1926 turret shell
 Sorbeoconcha - Struthiolariidae
Perissodonta sp. Marten 1878 snail
Monalaria sp. n. sp. Marwick 1924 snail
 Neogastropoda - Ancillariidae
Amalda (Baryspira) sp. Fischer 1883 snail
 Neogastropoda - Turridae
"Eoturris sp." = Eopleurotoma, Insolentia sp. n. sp.
"Eoturris sp." = Eopleurotoma Cossmann 1889 turrid
Insolentia sp. n. sp. Finlay 1926 turrid
 Neogastropoda - Volutidae
Athleta sp. Conrad 1853 volute
 Sorbeoconcha - Naticidae
Magnatica (Spelaenacca) sp. Finlay 1930 moon snail
Polinices (Polinella) sp. Marwick 1931 moon snail
Bivalvia
 Arcida - Cucullaeidae
 Cardiida - Veneridae
Veneridae indet. Rafinesque 1815 venus clam
Costacallista hectori Finlay and Marwick 1937 venus clam
 Cardiida - Mactridae
 Cardiida - Cardiidae
 Carditida - Carditidae
 Carditida - Crassatellidae