Ranft Mudstone, Inangahua & Waitahu Outliers, Reefton area, New Zealand: Emsian, New Zealand
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stylophora
- Mitrata
- Allanicytidiidae
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Allanicytidium flemingi
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Bradshaw 1988 | |||||||||
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Crinoidea
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Crinoidea indet.
Miller 1821
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Bradshaw and Hegan 1983 | |||||||||
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Crinoidea
- Monobathrida
- Batocrinidae
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Megistocrinus reeftonensis
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Bradshaw 1988 | |||||||||
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Crinoidea
- Monobathrida
- Hexacrinitidae
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Hexacrinites sp.
Austin and Austin 1843
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Bradshaw 1988 | |||||||||
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Strophomenata
- Strophomenida
- Chonetidae
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Chonetes sp.
Fischer de Waldheim 1830
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Bradshaw and Hegan 1983 | |||||||||
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Rhynchonellata
- Terebratulida
- Meganterididae
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Pleurothyrella sp.
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Bradshaw and Hegan 1983 | |||||||||
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Reeftonella neozelanica
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Bradshaw and Hegan 1983 | |||||||||
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Cephalopoda
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Nautiloidea indet.
Agassiz 1847
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Bradshaw and Hegan 1983 | |||||||||
| orthocones | ||||||||||
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Bivalvia
- Nuculanida
- Polidevciidae
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Phestia sp.
Chernyshev 1951
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Bradshaw and Hegan 1983 | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nuculoidea sp.
Williams and Berger 1916
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Bradshaw and Hegan 1983 | |||||||||
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Bivalvia
- Ostreida
- Pterineidae
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Actinopteria sp.
Hall 1884
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Bradshaw and Hegan 1983 | |||||||||
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Trilobita
- Proetida
- Proetidae
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Dechenella sp.
Kayser 1880
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Bradshaw and Hegan 1983 | |||||||||
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Trilobita
- Phacopida
- Homalonotidae
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Burmeisteria sp.
Salter 1865
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Bradshaw and Hegan 1983 | |||||||||
| see common names | ||||||||||
Geography
| Country: | New Zealand | County: | Akaroa |
| Coordinates: | 42.1° South, 171.9° East (view map) | ||
| Paleocoordinates: | 23.1° South, 178.8° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | local area |
Time
| Period: | Devonian | Epoch: | Early/Lower Devonian |
| Stage: | Emsian | 10 m.y. bin: | Devonian 2 |
| Key time interval: | Emsian | ||
| Age range of interval: | 407.60000 - 393.30000 m.y. ago |
Stratigraphy
| Formation: | Ranft Mudstone | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Reefton Group is not very well dated, as there are few correlatable fossils. | |||||
Lithology and environment
| Primary lithology: | gray,blue mudstone |
| Secondary lithology: | calcareous siltstone |
| Lithology description: "100+ m. Massive, dark blue-grey mudstone with thin fossil bands and sparite-rich siltstone layers. Grades up into limestone through a quartzose sandstone unit." | |
| Environment: | marine indet. |
| Geology comments: "Low energy, muddy shelf, with shallowing near the top of the formation." | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 40527 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2004-06-24 12:43:10 | Last modified: | 2006-09-13 14:01:03 |
| Access level: | the public | Released: | 2004-06-24 12:43:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 10921. | M. A. Bradshaw. 1999. Lower Devonian bivalves from the Reefton Group, New Zealand. Memoirs of the Association of Australasian Palaeontologists 20:1-171 [M. Foote/M. Foote/P. Wagner] |
Secondary references:
| 10920 | M. A. Bradshaw. 1988. New studies on the Devonian of New Zealand. In N. J. McMillan, A. F. Embry, D. J. Glass (eds.), , eds. Devonian of the World, Volume I 773-782 [M. Foote/M. Foote/P. Wagner] | |
| 10922 | M. A. Bradshaw and B. D. Hegan. 1983. Stratigraphy and structure of the Devonian rocks of Inangahua Outlier, Reefton, New Zealand. New Zealand Journal of Geology and Geophysics 26(4):325-344 [M. Foote/M. Foote/M. Foote] |