Croc Site
Basic information
Sample name: Croc Site
Sample aka: Mata Creek
Reference: T. H. Worthy, A. J. Tennyson, C. Jones, J. A. McNamara, and B. J. Douglas. 2007. Miocene waterfowl and other birds from central Otago, New Zealand. Journal of Systematic Palaeontology 5(1):1-39 [ER 4429]
Geography
Country: New Zealand
State: Otago
County: Central Otago
Coordinate: -44.889444° S, 169.837778° E
Latlng basis: stated in text
Scale: outcrop
Formation: Bannockburn
Time interval: Middle Miocene
Section: 4429
Max Ma: 19.0
Min Ma: 16.0
Age basis: other
Geography comments: Located southeast of the town of St Bathans on the western side of Mata Creek
late Early Miocene-earliest Middle Miocene, Late Burdigalian (NZ Altonian Stage)
Age of layers based on palynostratigraphy (Pole and Douglas 1998)
late Early Miocene-earliest Middle Miocene, Late Burdigalian (NZ Altonian Stage)
Age of layers based on palynostratigraphy (Pole and Douglas 1998)
Environment
Lithology: sandstone
Taphonomic context: lake deposit
Habitat comments: "Fossiliferous beds located in the lower Bannockburn Formation, Manuherikia Group"
Bones occur in "discontiunous sandy or muddy sand layers of lacustrine shallow sublittoral-littoral (near shore) sediments"
"5-10 cm thick bed of silty medium-coarse pale sand"
Bones occur in "discontiunous sandy or muddy sand layers of lacustrine shallow sublittoral-littoral (near shore) sediments"
"5-10 cm thick bed of silty medium-coarse pale sand"
Methods
Life forms: birds
Excluded forms: fishes, other invertebrates
Sampling methods: screenwash
Sample size: 69 specimens
Sampled by: T. H. Worthy, A. J. Tennyson, C. Jones, J. A. McNamara
Years: 2001, 2002, 2003, 2004
Days: 41
Museum: Museum of New Zealand Te Papa Tongarewa (MNZ)
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: Specimens were collected during the following periods: 21-26 April 2001; 27 Nov-7 Dec 2001; 8-13 Dec 2001; 1-6 Oct 2002; 16-19 March 2003; 18-25 Feb 2004
Sediment screen washed over 1mm - 4mm sieves
Several fragments of eggshell were also recovered
Sediment screen washed over 1mm - 4mm sieves
Several fragments of eggshell were also recovered
Metadata
Sample no: 4718
Contributor no: John Alroy
Enterer: Jack Nesbitt
Created: 2025-12-01 02:12:50
Modified: 2025-12-01 02:12:50
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
11 species
5 singletons
total count 69
geometric series index: 23.5
Fisher's α: 3.691
geometric series k: 0.7117
Hurlbert's PIE: 0.753
Shannon's H: 1.7861
Good's u: 0.9275
Register
| Passeriformes indet. | 4 | |
| Manuherikia lacustrina | 30 | |
| Manuherikia minuta | 8 | |
| Miotadorna sanctibathansi | 10 | |
| Matanas enrighti | 1 | |
| Laridae indet. | 1 | |
| questionably assigned | ||
| Charadriiformes indet. | 7 | |
| Psittacidae indet. | 5 | |
| Accipitridae indet. | 1 | |
| Pelecanoides miokuaka | 1 | |
| Cracticidae indet. | 1 | |