Small fumarole north of Sisters Peak, Ascension: Holocene, Saint Helena
collected by S.L. Olson, J.M. Couch 1970
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Charadriiformes
- Laridae
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Sterna fuscata
Linnaeus 1766
|
Olson 1977 | ||||||
| recombined as Onychoprion fuscatus | |||||||
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Gygis alba
(Sparman 1786)
|
Olson 1977 | ||||||
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Reptilia
- Pelecaniformes
- Ardeidae
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Nycticorax sp.
Forster 1817
|
Olson 1977 | ||||||
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= Nycticorax olsoni
Bourne et al. 2003
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Bourne et al. 2003 | ||||||
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Reptilia
- Suliformes
- Sulidae
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Sula dactylatra
Lesson 1831
|
Olson 1977 | ||||||
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Sula sula
(Linnaeus 1766)
|
Olson 1977 | ||||||
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Reptilia
- Hydrobatidae
|
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Oceanodroma castro
(Harcourt 1861)
|
Olson 1977 | ||||||
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Reptilia
- Gruiformes
- Rallidae
|
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cf. Porphyrula alleni
(Thomson 1842)
|
Olson 1977 | ||||||
| original and current combination Porphyrio alleni | |||||||
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Atlantisia elpenor
Olson 1973
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| recombined as Mundia elpenor | |||||||
| see common names | |||||||
Geography
| Country: | Saint Helena |
| Coordinates: | 7.9° South, 14.4° West (view map) |
| Paleocoordinates: | 7.9° South, 14.4° West |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Holocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Holocene | ||
| Age range of interval: | 0.01170 - 0.00000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: The many bones collected here were found mainly in a small pocket floored with about 60 cm of dust and cinders (Olson 1973). Bones from the deeper layers were stained dark brown while those at the surface were white. | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | cave |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | S.L. Olson, J.M. Couch | Collection dates: | 1970 |
Metadata
| Database number: | 194278 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2018-06-17 15:50:21 | Last modified: | 2018-06-17 15:53:43 |
| Access level: | the public | Released: | 2018-06-17 15:50:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 65981. | S. L. Olson. 1973. Evolution of the rails of the South Atlantic Islands (Aves: Rallidae). Smithsonian Contributions to Zoology 152:1-53 [M. Clapham/M. Clapham] |
Secondary references:
| 65982 | W. R. P. Bourne, N. P. Ashmole, and K. E. L. Simmons. 2003. A new subfossil night heron and a new genus for the extinct rail Ascension Island, central tropical Atlantic Ocean. Ardea 91:45-51 [M. Clapham/M. Clapham] | |
| 65983 | S. L. Olson. 1977. Additional notes on subfossil bird remains from Ascension Island. Ibis 119:37-43 [M. Clapham/M. Clapham] |