Kaka Point, Port Molyneux Siltstone, Willsher Group, Southland (Triassic of New Zealand)

Where: New Zealand (46.4° S, 169.8° E: paleocoordinates 75.1° S, 127.2° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Port Molyneux Siltstone Formation (Willsher Group), Carnian (237.0 - 228.0 Ma)

• Kaihikuan local stage. Most likely Carnian according to new correlation scheme of Cooper et al. (2004)

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified siltstone and lithified limestone

• homogeneous massive bluish gray finely sandy siltstone, with a silty concretionary limestone spur

Size class: macrofossils

Primary reference: J. D. Campbell, D. S. Coombs, and A. Grebneff. 2003. Willsher Group and geology of the Triassic Kaka Point coastal section, south-east Otago, New Zealand. Journal of the Royal Society of New Zealand 33(1):7-38 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 61462: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo sp. Hall and Whitfield 1869 clam
[entered as Paleoneilo sp.]
 Ostreida - Halobiidae
Aparimella apteryx Marwick 1953 oyster
 Pectinida - Pectinoidae
Chlamys sp. Röding 1798 scallop
Gastropoda
 Pleurotomarioidea - Pleurotomariidae
? Pleurotomaria sp. Defrance 1826 snail
 Trochoidea - Trochidae
Trochidae indet. Rafinesque 1815 top snail
Rhynchonellata
 Terebratulida - Dielasmatidae
"? Dielasma zealandica" = Fletcherina zealandica
"? Dielasma zealandica" = Fletcherina zealandica Trechmann 1917
 Rhynchonellida - Rhynchonellidae
 Rhynchonellida - Allorhynchidae
 Spiriferinida - Sinucostidae
 Spiriferinida - Punctospiriferidae
 Athyridida - Athyrididae