Jebel Billum IV-9 (Jurassic of Yemen)
Where: Wadi Hajar, Yemen (14.3° N, 48.4° E: paleocoordinates 11.7° S, 31.2° E)
• small collection-level geographic resolution
When: Shuqra Formation, Callovian (166.1 - 163.5 Ma)
• 17 m below top
• bed-level stratigraphic resolution
Environment/lithology: rubbly marl and limestone
• lithology described as rubbly marls and nodular limestones
Size class: macrofossils
Primary reference: 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]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 2600: authorized by Mark Patzkowsky, entered by Karen Layou on 09.07.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Gastropoda | |
"Ampullospira sp." = Ampullina (Ampullospira)
"Ampullospira sp." = Ampullina (Ampullospira) Harris 1897 snail | |
"Rhabdoconcha sp." = Pseudomelania (Rhabdoconcha)
"Rhabdoconcha sp." = Pseudomelania (Rhabdoconcha) snail | |
Bulla sp. Linnaeus 1758 snail | |
Bivalvia | |
Mactromya sp. Agassiz 1843 clam | |
Bucardiomya somaliensis Cox 1935 clam | |
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Ceratomyopsis somaliensis Weir 1929 clam | |
Procyprina hunti clam | |
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Brachidontes somalicus mussel | |
Gryphaea balli, "Nanogyra fourtaui" = Nanogyra (Nanogyra) nana
Gryphaea balli Stefanini 1925 oyster
"Nanogyra fourtaui" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster originally entered as "Nannogyra fourtaui"
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Eligmus humei oyster | |
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Entolium sp. Meek 1865 scallop | |
Cephalopoda | |
"Erymnoceras jarryi" = Pachyerymnoceras jarryi
"Erymnoceras jarryi" = Pachyerymnoceras jarryi Douvillé 1912 ammonite | |
Rhynchonellata | |
Terebratulidae indet. Gray 1840 | |
Somalirhynchia africana Weir 1925 |