032/f9530 [Okarahia Sandstone] (Cretaceous of New Zealand)

Also known as S56/f530; GS9835

Where: New Zealand (42.5° S, 173.5° E: paleocoordinates 64.7° S, 144.1° W)

• coordinate based on unpublished field data

• outcrop-level geographic resolution

When: Okarahia Sandstone Formation, Piripauan (85.8 - 83.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Okarahia Sandstone, which unconformably overlies Torlesse Supergroup, and is conformably overlain by the Tarapuhi Grit. AGE: Piripauan (=Coniacian-Santonian), on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From bed of unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, shelly/skeletal sandstone

• ENVIRONMENT: Marine deposition under moderate energy conditions, probably not far from shore and at medium to shallow depths.
• SPECIFIC LITHOLOGY: Shelly very fine sandstone. LITHIFICATION: Lithified, based on facies description (FRED).

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Speden et al in 1967; reposited in the IGNS

Collection methods: surface (in situ),

• COLLECTOR: Speden, Stevens, Warren, 1967. REPOSITORY: GSNZ (now GNS Science, Lower Hutt, New Zealand).

Primary reference: G. Warren and I. Speden. 1977. The Piripauan and Haumurian stratotypes (Mata Series, Upper Cretaceous) and correlative sequences in the Haumuri Bluff District, South Marlborough. New Zealand Geological Survey Bulletin 92:1-60 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83519: authorized by Austin Hendy, entered by Austin Hendy on 21.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for bivalvia, gastropoda, cephalopoda, and other invertebrate and vertebrate groups. NOMENCLATURE: Not an authoritative publication, but with relatively modern nomenclature and species-resolution identifications.
unclassified
  -
Polychaeta
 Sabellida - Serpulidae
Cephalopoda
 Belemnitida - Dimitobelidae
Scaphopoda
 Dentaliida - Dentaliidae
Gastropoda
 Sorbeoconcha - Littorinidae
Bivalvia
 Mytilida - Mytilidae
? Modiolus cf. typicus Forbes 1846 mussel
 Pectinida - Pectinoidae
"? Mixtipecten amuriensis" = Chlamys (Mixtipecten)
"? Mixtipecten amuriensis" = Chlamys (Mixtipecten) scallop
 Ostreida - Ostreidae
 Arcida - Cucullaeidae
"Cucullaea (Cucullastris) zealandica" = Cucullaea (Cucullastis) zealandica, "Cucullaea (Cullastris) zealandica" = Cucullaea (Cucullastis) zealandica
"Cucullaea (Cucullastris) zealandica" = Cucullaea (Cucullastis) zealandica Woods 1917 clam
"Cucullaea (Cullastris) zealandica" = Cucullaea (Cucullastis) zealandica Woods 1917 clam
 Cardiida - Veneridae
 Hiatellida - Hiatellidae
Panopea clausa Wilckens 1910 clam
 Lucinida - Lucinidae
 Carditida - Astartidae
 Trigoniida - Trigoniidae
Pacitrigonia aff. hanetiana d'Orbigny 1842 clam