Mapia River 80D245: Artinskian, Indonesia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Productida
- Strophalosiidae
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Echinalosia sp.
Waterhouse 1967
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1 specimen | |||||||||
| 1 DV int. mould + corresponding ext. mould (2 measurements) | ||||||||||
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Heteralosia sp.
King 1938
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1 specimen | |||||||||
| 1 DV ext. mould, 1 VV int. mould (2 measurements) | ||||||||||
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Strophomenata
- Productida
- Aulostegidae
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Aulosteges tenuispinosus n. sp.
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1 specimen | |||||||||
| 1 DV ext. mould (juvenile) (2 measurements) | ||||||||||
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Strophomenata
- Productida
- Productellidae
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Stictozoster sp.
Grant 1976
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1 specimen | |||||||||
| 1 DV ext. mould (1 measurement) | ||||||||||
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Strophomenata
- Productida
- Linoproductidae
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Cancrinella sp.
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1 specimen | |||||||||
| 1 VV int. mould (juvenile) (1 measurement) | ||||||||||
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Strophomenata
- Strophomenida
- Rugosochonetidae
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Neochonetes (Sommeriella) irianensis n. sp.
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14 specimens | |||||||||
| 1 DV int. mould, 3 DV ext. mould, 6 VV int. mould, 8 VV ext. mould (18 measurements) | ||||||||||
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Chonetinella aidunaensis n. sp.
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8 specimens | |||||||||
| 6 DV int. mould, 2 DV ext. mould, 4 VV int. mould, 2 VV ext. mould (14 measurements) | ||||||||||
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Sulcataria skwarkoi n. sp.
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3 individuals | |||||||||
| 1 DV int. mould, 2 DV ext. mould, 2 VV ext. mould (5 measurements) | ||||||||||
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Rhynchonellata
- Spiriferida
- Trigonotretidae
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Neospirifer sp.
Fredericks 1919
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1 specimen | |||||||||
| (3 measurements) | ||||||||||
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Rhynchonellata
- Spiriferinida
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Spiriferinidina indet.
Ivanova 1972
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1 specimen | |||||||||
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Rhynchonellata
- Spiriferinida
- Syringothyrididae
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Syringothyrididae indet.
Fredericks 1926
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2 specimens | |||||||||
| 2 spp. | ||||||||||
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Rhynchonellata
- Spiriferinida
- Spiriferellinidae
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? Spiriferellina sp.
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1 specimen | |||||||||
| (2 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Indonesia | State/province: | Irian Jaya |
| Coordinates: | 4.1° South, 135.8° East (view map) | ||
| Paleocoordinates: | 40.8° South, 130.5° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Permian | Epoch: | Cisuralian |
| Stage: | Artinskian | 10 m.y. bin: | Permian 2 |
| Key time interval: | Artinskian | ||
| Age range of interval: | 290.10000 - 283.50000 m.y. ago |
Stratigraphy
| Formation: | Aiduna | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Float boulder. Aktastinian to early Baigendzhinian = early Artinskian. | |||||
Lithology and environment
| Primary lithology: | micaceous sandstone |
| Secondary lithology: | carbonaceous siltstone |
| Lithology description: Aiduna Formation includes well bedded feldspathic and micaceous lithic sandstones interbedded with carbonaceous shale and siltstone. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,mold/impression,original calcite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | bulk,chemical,mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Some acid leaching was conducted. | |
| Taxonomic list comments:Brachiopods only. | |
Metadata
| Database number: | 42907 | ||
| Authorizer: | D. Bottjer | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-08-06 16:10:13 | Last modified: | 2013-08-31 13:44:50 |
| Access level: | the public | Released: | 2004-08-06 16:10:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11386. | N. W. Archbold. 1991. Early Permian Brachiopoda from Irian Jaya. BMR Journal of Australian Geology & Geophysics 12:287-296 [D. Bottjer/M. Clapham/M. Clapham] |