Dakatch (Juba Limestone): Late Oxfordian, Somalia
collected by V.G. Glenday
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Lobothyrididae
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Loboidothyris jubaensis n. sp.
Weir 1929
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1 specimen | |||||||||
| Loboidothyris ? jubaensis nov. | ||||||||||
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Rhynchonellata
- Terebratulida
- Zeilleriidae
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Aulacothyris jubaensis n. sp.
Weir 1929
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2 specimens | |||||||||
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Bivalvia
- Thraciida
- Thraciidae
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Thracia viceliacensis
d'Orbigny 1850
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1 specimen | |||||||||
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Bivalvia
- Megalodontida
- Ceratomyopsidae
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Ceromyopsis helvetica
(de Loriol 1897)
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4 specimens | |||||||||
| all crushed except for a left valve | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Cardium bottegoi
d'Ossat 1900
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1 specimen | |||||||||
| valve (1 measurement) | ||||||||||
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Bivalvia
- Cardiida
- Kalenteridae
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Myoconcha ? sp.
Sowerby 1824
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2 specimens | |||||||||
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Bivalvia
- Pholadida
- Ceratomyidae
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Ceratomya cf. obtusa
Gerber 1918
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1 specimen | |||||||||
| Ceratomya sp. juv. cf. obtusa (cast of a young shell) | ||||||||||
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Bivalvia
- Lucinida
- Mactromyidae
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Mactromya rugosa
(Roemer 1836)
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7 specimens | |||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra cf. wetzleri
Boehm 1882
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2 specimens | |||||||||
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Exogyra nana
(Sowerby 1822)
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4 specimens | |||||||||
| 3 lower valves, 1 upper valve | ||||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Mytilus (Pharomytilus) glendayi n. sp.
Weir 1929
|
1 specimen | |||||||||
| see common names | ||||||||||
Geography
| Country: | Somalia |
| Coordinates: | 1.8° North, 42.3° East (view map) |
| Paleocoordinates: | 19.2° South, 24.1° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Late Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Late Oxfordian | ||
| Age range of interval: | 157.9 - 154.8 m.y. ago |
Stratigraphy
| Formation: | Juba Limestone | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Oxfordian-Corallian based on belemnites and C. helvetica. | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal,blue lithified "limestone" |
| Includes fossils? | Y |
| Lithology description: bluish rubbly, very fossiliferous limestone | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Collectors: | V.G. Glenday |
| Collection method comments: Repository: Hunterian Museum | |
Metadata
| Also known as: | Dikatch | ||
| Database number: | 161487 | ||
| Authorizer: | M. Clapham | Enterer: | M. Manojlovic |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-09-06 19:10:52 | Last modified: | 2017-08-04 18:18:25 |
| Access level: | the public | Released: | 2014-09-06 19:10:52 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 52567. | J. Weir. 1929. Jurassic Fossils from Jubaland, East Africa, Collected by V. G. Glenday, And the Jurassic Geology of Somaliland. Monographs of the Geological Department of the Hunterian Museum, Glasgow University 1-63 [M. Clapham/M. Manojlovic] |