N88/f1056 [Karekare Siltstone]: Urutawan, New Zealand
collected by Speden 1968
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Kingenidae
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? Kingena sp.
Davidson 1852
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Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium sp.
Linnaeus 1758
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Cephalopoda
- Belemnitida
- Dimitobelidae
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Dimitobelus sp.
Whitehouse 1925
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Bivalvia
- Nuculanida
- Nuculanidae
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? Nuculana (Jupiteria) sp.
(Bellardi 1875)
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| original and current combination Jupiteria | |||||||
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Bivalvia
- Pectinida
- Limidae
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? Pseudolimea cf. echinata
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Bivalvia
- Pectinida
- Buchiidae
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Aucellina cf. gryphaeoides
(Sowerby 1836)
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Bivalvia
- Cardiida
- Veneridae
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? Callista sp.
Poli 1791
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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| see common names | |||||||
Geography
| Country: | New Zealand |
| Coordinates: | 38.4° South, 177.3° East (view map) |
| Paleocoordinates: | 75.2° South, 170.6° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Urutawan | ||
| Age range of interval: | 108.40000 - 103.30000 m.y. ago |
Stratigraphy
| Formation: | Karekare Siltstone | ||||
| Regional section: | Karekare Siltstone | Regional bed: | 100 ft | ||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Karekare Siltstone of the Taitai Series, which conformably overlies the Te Wera Sandstone (Albian). AGE: Urutawan of Wellman (1956) = Middle to Upper Albian, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From 100 ft above base of formation. | |||||
Lithology and environment
| Primary lithology: | very coarse lithified argillaceous sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Muddy grit. LITHIFICATION: Lithified, based on facies description. | |
| Environment: | offshore |
| Glacial or sequence phase: | transgressive |
| Geology comments: ENVIRONMENT: Offshore marine, mid-outer shelf paleoenvironment. | |
Taphonomy
| Modes of preservation: | body,cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | biostratigraphic analysis | ||
| Museum repositories: | IGNS | ||
| Collectors: | Speden | Collection dates: | 1968 |
| Collection method comments: COLLECTOR: I. G. Speden, 1968. REPOSITORY: GSNZ (now GNS Science, Lower Hutt, New Zealand). | |||
| Taxonomic list comments:COVERAGE: Exhaustive for bivalvia, and other invertebrate groups (cephalopoda, gastropoda, echinoidea, bryozoa, annelida listed). NOMENCLATURE: Not an authoritative publication, and generally lacking species-level designations. Identified by specialist (Speden), and lack of species names reflects poor preservation and insufficient existing taxonomic knowledge. | |||
Metadata
| Also known as: | GS10147 | ||
| Database number: | 83410 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-08-20 08:04:31 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2008-08-20 08:04:31 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 18879. | I.G. Speden. 1975. Cretaceous stratigraphy of Raukumara Peninsula. New Zealand Geological Survey Bulletin 91 [A. Hendy/A. Hendy] |