Tinui-Awatoitoi [lower Te Mai Fm] (Cretaceous of New Zealand)

Where: New Zealand (40.9° S, 177.0° E: paleocoordinates 67.5° S, 171.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Te Mai Formation (Tinui Group), Piripauan (85.8 - 83.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Te Mai Fm, which overlies the Glenburn Fm. AGE: mid-Piripauan-Teurian (Late Campanian-Paleocene), on the basis of macrofossil biostratigraphy. Here assigned to the Piripauan on the basis of stratigraphic position. STRATIGRAPHIC POSITION: Composite for lower part of the formation.

• member-level stratigraphic resolution

Environment/lithology: offshore; lithified, glauconitic sandstone

• ENVIRONMENT: Offshore (outer shelf) marine siliciclastic paleoenvironment.
• SPECIFIC LITHOLOGY: Grey mudstone. LITHIFICATION: Lithified, based on facies description.

Size class: macrofossils

Preservation: cast, mold/impression

Reposited in the IGNS

Collection methods: surface (in situ),

• COLLECTOR: Multiple collectors. REPOSITORY: GSNZ (now GNS Science, Lower Hutt, New Zealand).

Primary reference: M. R. Johnston. 1980. Geology of the Tinui-Awatoitoi District. New Zealand Geological Survey Bulletin 94:1-62 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83441: authorized by Austin Hendy, entered by Austin Hendy on 20.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for bivalvia and cephalopoda, and other invertebrate groups (gastropoda, echinoidea, bryozoa, annelida listed). NOMENCLATURE: Not an authoritative publication, and generally lacking species-level designations.
Foraminifera
 Globigerinaceae - Globotruncanidae
 Globigerinina - Hedbergellidae
Cephalopoda
 Ammonitida - Tetragonitidae
Anagaudryceras tennenti Henderson 1970 ammonite
 Ammonitida - Kossmaticeratidae
 Ammonitida - Baculitidae
Baculites rectus Marshall 1926 ammonite
 Belemnitida - Dimitobelidae
"Dimitobelus ? ongleyi" = Dimitobelus (Dimitobelus) ongleyi Stevens 1965 belemnite
Dimitobelus superstes Hector 1886 belemnite
Bivalvia
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam
Inoceramus pacificus Anderson and Hanna 1935 clam
 Ostreida - Ostreidae