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
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Olson 1977 | ||||||
recombined as Onychoprion fuscatus | |||||||
Gygis alba
(Sparman 1786)
|
Olson 1977 | ||||||
Reptilia
- Pelecaniformes
- Ardeidae
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Nycticorax sp.
Forster 1817
|
Olson 1977 | ||||||
= Nycticorax olsoni
Bourne et al. 2003
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Bourne et al. 2003 | ||||||
Reptilia
- Suliformes
- Sulidae
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Sula dactylatra
Lesson 1831
|
Olson 1977 | ||||||
Sula sula
(Linnaeus 1766)
|
Olson 1977 | ||||||
Reptilia
- Hydrobatidae
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Oceanodroma castro
(Harcourt 1861)
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Olson 1977 | ||||||
Reptilia
- Gruiformes
- Rallidae
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cf. Porphyrula alleni
(Thomson 1842)
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Olson 1977 | ||||||
original and current combination Porphyrio alleni | |||||||
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] |