Jebel Billum IV-10: Callovian, Yemen
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
- Millericrinida
- Millericrinidae
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? Angulocrinus sp.
Rollier 1911
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1 specimen | |||||||||
| originally entered as "?Angulocrinus sp." | ||||||||||
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Echinoidea
- Salenioida
- Acrosaleniidae
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Acrosalenia somealiensis
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4 specimens | |||||||||
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Gastropoda
- Aporrhaidae
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? Pietteia sp.
Cossmann 1904
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1 specimen | |||||||||
| originally entered as "?Pietteia sp." | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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? Palaeonucula sp.
Quenstedt 1930
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1 specimen | |||||||||
| originally entered as "?Palaeonucula sp." | ||||||||||
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Bivalvia
- Lucinida
- Mactromyidae
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Mactromya sp.
Agassiz 1843
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2 specimens | |||||||||
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Bivalvia
- Pholadida
- Ceratomyidae
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cf. Ceratomya pittieri
(de Loriol 1883)
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1 specimen | |||||||||
| originally entered as "Ceratomya cf. pittieri" | ||||||||||
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Bivalvia
- Megalodontida
- Ceratomyopsidae
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Ceratomyopsis somaliensis
(Weir 1929)
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5 specimens | |||||||||
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Tellurimya sp. n. sp.
Cox 1964
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1 specimen | |||||||||
| "?sp. nov." - originally entered as "Tellurimya ?sp. nov." | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Procyprina hunti
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4 specimens | |||||||||
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Bivalvia
- Cardiida
- Corbiculidae
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? Eocallista krenkeli
Cox 1935
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5 specimens | |||||||||
| originally entered as "?Eocallista krenkeli" | ||||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Brachidontes somalicus
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3 specimens | |||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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? Gryphaea balli
(Stefanini 1925)
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8 specimens | |||||||||
| originally entered as "?Gryphaea balli" | ||||||||||
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Nanogyra fourtaui
(Stefanini 1925)
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5 specimens | |||||||||
| synonym of Nanogyra (Nanogyra) nana | ||||||||||
| originally entered as "Nannogyra fourtaui" | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Arctostrea eruca
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1 specimen | |||||||||
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Bivalvia
- Ostreida
- Eligmidae
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Eligmus sp.
Eudes-Deslongchampes 1856
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2 specimens | |||||||||
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Eligmus aualites
(Stefanini 1925)
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50 specimens | |||||||||
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Bivalvia
- Ostreida
- Palaeolophidae
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Actinostreon solitaria
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11 specimens | |||||||||
| original and current combination Lopha (Actinostreon) | ||||||||||
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Rhynchonellata
- Terebratulida
- Loboidothyrididae
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Bihenithyris sp.
Muir-Wood 1935
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5 specimens | |||||||||
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Rhynchonellata
- Rhynchonellida
- Tetrarhynchiidae
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cf. Somalirhynchia arabica
Cooper 1989
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16 specimens | |||||||||
| originally entered as "Somalirhynchia cf.. arabica" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Yemen | State/province: | Wadi Hajar |
| Coordinates: | 14.3° North, 48.4° East (view map) | ||
| Paleocoordinates: | 11.7° South, 31.2° East | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 | *Epoch: | Dogger |
| Key time interval: | Callovian | ||
| Age range of interval: | 165.30000 - 161.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | "limestone" |
| Environment: | carbonate indet. |
| Geology comments: lithology described as limestone | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 2601 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Layou |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 1999-07-09 11:40:16 | Last modified: | 2017-07-27 17:57:30 |
| Access level: | database members | Released: | 2001-07-09 11:40:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 74. | M. K. Howarth and N. J. Morris. 1998. The Jurassic and Lower Cretaceous of Wadi Hajar, southern Yemen. Bulletin of the Natural History Museum (Geology) 54(1):1-32 [M. Patzkowsky/K. Layou/A. Clement] |