Weka Creek, Waipara River: Early/Lower Maastrichtian, New Zealand
collected by R. Speight 1926
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Mauisaurus haasti
Hector 1874
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3 specimens | |||||||||
CM Zfr 102 (anterior parts of a pair of large coracoids), CM Zfr 104 (nine cervical vertebrae, one pectoral vertebra, eight posteriormost caudal vertebrae, rib fragments, anterior part of the right coracoid, four elements from a limb and other indeterminate fragments), CM Zr 109 (right femur) | ||||||||||
= Aristonectinae indet.
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O'Gorman et al. 2014 | |||||||||
CM Zfr 104 (nine cervical vertebrae, one pectoral vertebra, eight posteriormost caudal vertebrae, rib fragments, anterior part of the right coracoid, four elements from a limb and other indeterminate fragments) | ||||||||||
Reptilia
- Plesiosauria
- Polycotylidae
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Polycotylidae indet.
Williston 1908
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1 element | |||||||||
CM Zfr 125 (left propodial) | ||||||||||
see common names |
Geography
Country: | New Zealand | State/province: | South Island | County: | North Canterbury |
Coordinates: | 43.1° South, 172.6° East (view map) | ||||
Paleocoordinates: | 56.4° South, 153.8° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Early/Lower Maastrichtian | ||
Age range of interval: | 70.60000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | Conway | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Middle Waipara River section of the Conway Formation (South Island) |
Lithology and environment
Primary lithology: | massive,gray poorly lithified siltstone |
Includes fossils? | Y |
Environment: | marine indet. |
Geology comments: This comprises a succession of poorly consolidated dark grey, massive siltstones or silty sandstones, largely without preserved primary sedimentary structures. The
unit was deposited under marine conditions with restricted bottom circulation |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Associated major elements: | some |
Disassociated major elements: | some |
Collection methods and comments
Collection methods: | surface (in situ),field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Museum repositories: | CM | ||
Collectors: | R. Speight | Collection dates: | 1926 |
Collection method comments: CM Zfr, |
Metadata
Database number: | 156364 | ||
Authorizer: | P. Mannion, E. Vlachos | Enterer: | J. Tennant, F. Aspromonte |
Modifier: | F. Aspromonte | Research group: | vertebrate |
Created: | 2014-05-19 14:47:06 | Last modified: | 2023-11-16 09:04:12 |
Access level: | the public | Released: | 2014-05-19 14:47:06 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
35643. | ETE | S. P. Welles and D. R. Gregg. 1971. Late Cretaceous marine reptiles of New Zealand. Records of the Canterbury Museum 9(1):1-111 [M. Carrano/H. Street] |
Secondary references:
51234 | J. P. O'Gorman, R. A. Otero, and N. Hiller. 2014. A new record of an aristonectine elasmosaurid (Sauropterygia, Plesiosauria) from the Upper Cretaceous of New Zealand: implications for the Mauisaurus haasti Hector, 1874 hypodigm. Alcheringa 38(4):504-512 [P. Mannion/J. Tennant/P. Mannion] | |
86483 | G. J. Wilson, P. Schiøler, N. Hiller and C. M. Jones. 2005. Age and provenance of Cretaceous marine reptiles from the South Island and Chatham Islands, New Zealand. New Zealand Journal of Geology & Geophysics 48(2):377-387 [E. Vlachos/F. Aspromonte] |