AU6397, Pohangina Valley (T23/f7530) (Triassic of New Zealand)

Where: New Zealand (40.1° S, 176.0° E: paleocoordinates 74.4° S, 95.9° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Oretian (227.5 - 221.5 Ma)

Environment/lithology: lithified limestone

Size classes: macrofossils, microfossils

Collected in 1978; reposited in the IGNS

Collection methods: chemical

• Most of the block is in the Department of Geology, University of Auckland (collection AU6397). Some of the material is retained in the Department of Soil Science, Massey University (collection MU3), and some microfaunas and residues are held by the New Zealand Geological Survey, Lower Hutt (conodont sample no. CN694).

Primary reference: M. Marden, J. A. Simes, and H. J. Campbell. 1987. Two Mesozoic faunas from Torlesse melange terrane, (Ruahine Range), New Zealand, and new evidence for Oretian correlation. New Zealand Journal of Geology and Geophysics 30:389-399 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137846: authorized by Matthew Clapham, entered by Matthew Clapham on 25.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Lituolacea - Haplophragmoiidae
Ammobaculites sp. Cushman 1910
 Ammodiscoidea - Ammodiscidae
Ammodiscus sp. Reuss 1862
 Nodosariacea - Polymorphinidae
Polymorphinidae indet. d'Orbigny 1839
 Nodosariacea - Nodosariidae
Nodosariidae indet. Ehrenberg 1838
Nodosaria sp. Lamarck 1812
Frondicularia sp. Defrance 1824
Dentalina sp. d'Orbigny 1826
Lenticulina sp. Lamarck 1804
 Nodosariacea - Vaginulinidae
Astacolus sp. de Montfort 1808
Ostracoda indet. Latreille 1802 ostracod
 Athyridida - Athyrididae
 Terebratulida - Zeilleriidae
Aulacothyris sp. Douville 1880
 Rhynchonellida - Dimerellidae
 Rhynchonellida - Norellidae
Pisirhynchia sp. Buckman 1917
 Lingulida - Discinidae
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797
 Sabellida - Serpulidae
? Serpula sp. Linnaeus 1758
 Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866 clam
 Pectinida -
"Pectinacea indet." = Pectinoidea
"Pectinacea indet." = Pectinoidea Rafinesque 1815 scallop
 Pectinida - Limidae
? Pseudolimea sp. Douglas and Arkell 1932 file clam
 Pectinida - Plicatulidae
aff. Plicatula sp. Lamarck 1801 scallop
 Pectinida - Oxytomidae
Oxytoma sp. Meek 1864 scallop
 Ostreida -
Ostreacea indet. Rafinesque 1815 oyster
 Ostreida - Halobiidae
Halobia sp. Bronn 1830 oyster
Halobia hochstetteri Mojsisovics 1874 oyster
Halobia lilliei Marwick 1953 oyster
? Parahalobia sp. Yin and Hsu 1938 oyster
Gastropoda indet. Cuvier 1797 snail
 Ceratitida - Arcestidae
? Arcestes sp. Suess 1865 ceratite
 Conodontophorida -
 Ozarkodinida -
"Hindeodella suevica" = Ozarkodina, Gondolella navicula, "Paragondolella polygnathiformis" = Gondolella polygnathiformis
"Hindeodella suevica" = Ozarkodina conodont
Gondolella navicula Huckriede 1958 conodont
"Paragondolella polygnathiformis" = Gondolella polygnathiformis Budurov and Stefanov 1965 conodont
 Prioniodontida -
"Prioniodina excavata" = Oulodus walliseri
"Prioniodina excavata" = Oulodus walliseri Ziegler 1960 conodont
 Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1837 elasmobranch
Echinoidea indet. Leske 1778 sea urchin
 Cidaroida - Miocidaridae
? Dicyclocidaris denticulata Fell 1950 pencil urchin
Crinoidea indet. Miller 1821 Sea lily
Porifera indet. Grant 1836
 Miliolida - Miliolidae
? Miliolidae indet. Ehrenberg 1839