Jebel Billum IV-16: Callovian, Yemen
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Loboidothyrididae
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Cererithyris sp.
Buckman 1917
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16 specimens | |||||||||
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cf. Bihenithyris barringtoni
Muir-Wood 1935
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1 specimen | |||||||||
| originally entered as "Bihenithyris cf. barringtoni" | ||||||||||
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Rhynchonellata
- Terebratulida
- Zeilleriidae
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Ornithella sp.
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1 specimen | |||||||||
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Rhynchonellata
- Rhynchonellida
- Tetrarhynchiidae
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Somalirhynchia somalica
(Dacque 1905)
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1 specimen | |||||||||
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cf. Somalirhynchia arabica
Cooper 1989
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18 specimens | |||||||||
| originally entered as "Somalirhynchia cf. arabica" | ||||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Brachidontes somalicus
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6 specimens | |||||||||
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cf. Modiolus imbricatus
(Sowerby 1818)
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5 specimens | |||||||||
| recombined as Modiolus (Modiolus) imbricatus | ||||||||||
| originally entered as "Modiolus cf. imbricatus" | ||||||||||
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Bivalvia
- Ostreida
- Eligmidae
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Eligmus sp.
Eudes-Deslongchampes 1856
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6 specimens | |||||||||
| originally entered as "Eligumus sp." | ||||||||||
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Bivalvia
- Ostreida
- Palaeolophidae
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Actinostreon solitaria
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6 specimens | |||||||||
| original and current combination Lopha (Actinostreon) | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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cf. Eopecten aubreyi
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1 specimen | |||||||||
| originally entered as "Eopecten cf. aubreyi" | ||||||||||
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cf. Spondylopecten subpunctatus
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5 specimens | |||||||||
| originally entered as "Spondylopecten cf. subpunctatus" | ||||||||||
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Bivalvia
- Pectinida
- Limidae
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Plagiostoma sp.
Sowerby 1814
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1 specimen | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina sp.
Bruguière 1797
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1 specimen | |||||||||
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Bivalvia
- Pholadida
- Ceratomyidae
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cf. Ceratomya wimmisensis
(Gillieron 1886)
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4 specimens | |||||||||
| originally entered as "Ceratomya cf. wimmisensis" | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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? Tendagurium sp.
Dietrich 1933
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1 specimen | |||||||||
| originally entered as "?Tendagurium sp." | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Pseudotrapezium sp.
Fischer 1887
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1 specimen | |||||||||
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Procyprina hunti
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2 specimens | |||||||||
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Bivalvia
- Megalodontida
- Ceratomyopsidae
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Ceratomyopsis somaliensis
(Weir 1929)
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12 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
- Pandorida
- Laternulidae
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? Plectomya sp.
Loriol 1868
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5 specimens | |||||||||
| originally entered as "?Plectomya sp." | ||||||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Bucardiomya aubreyi
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4 specimens | |||||||||
| spelled with current rank as Pholadomya (Bucardiomya) | ||||||||||
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Bucardiomya somaliensis
(Cox 1935)
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3 specimens | |||||||||
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Bivalvia
- Trigoniida
- Trigoniidae
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Trigonia sp.
Bruguière 1789
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2 specimens | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Palaeonucula sp.
Quenstedt 1930
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1 specimen | |||||||||
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Gastropoda
- Discohelicidae
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Discohelix sp.
Dunker 1847
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1 specimen | |||||||||
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Gastropoda
- Heterostropha
- Cylindrobullinidae
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Cylindrobullina sp.
von Ammon 1878
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1 specimen | |||||||||
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Gastropoda
- Heterostropha
- Nerinellidae
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? Nerinella sp.
Sharpe 1849
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| many - originally entered as "?Nerinella sp." | ||||||||||
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Gastropoda
- Ampullinidae
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Ampullospira sp.
Harris 1897
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9 specimens | |||||||||
| spelled with current rank as Ampullina (Ampullospira) | ||||||||||
| 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: | "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 2607 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Layou |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 1999-07-09 13:00:34 | Last modified: | 2017-07-27 18:02:12 |
| Access level: | database members | Released: | 2001-07-09 13:00:34 |
| 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] |