Khasm El-Raqaba
Basic information
Sample name: Khasm El-Raqaba
Reference: G. F. Gunnell, A. J. Winkler, E. R. Miller, J. J. Head, A. N. El-Barkooky, M. A. Gawad, W. J. Sanders, and P. D. Gingerich. 2016. Small vertebrates from Khasm El-Raqaba, late Middle Miocene, Eastern Desert, Egypt. Historical Biology 28(1-2):159-171 [ER 4033]
Geography
Country: Egypt
Coordinate: 28.451° N, 31.834° E
Coordinate basis: stated in text
Formation: Gebel Hof
Time interval: Middle Miocene
Zone: Serravallian
Geography comments: Gebel Hof aka. Qarara Formation
"likely to be late Middle Miocene in age (ca. 10 - 12Ma)" and assigned to MN9
the authors apparently mean Serravallian, which is mostly beyond this range, and may mean MN8 and/or MN9
"likely to be late Middle Miocene in age (ca. 10 - 12Ma)" and assigned to MN9
the authors apparently mean Serravallian, which is mostly beyond this range, and may mean MN8 and/or MN9
Environment
Lithology: limestone
Taphonomic context: fissure fill
Habitat comments: "Red mudstone-filled karst fissures are relatively common in the KER limestone"
"This rock unit forms an extensive terrain of whitish hard crystalline nummulitic limestone and dolomite. It reaches a thickness of 15–20m and is being quarried (Figure 2(A)) for its prized ‘marbleized’ qualities"
"This rock unit forms an extensive terrain of whitish hard crystalline nummulitic limestone and dolomite. It reaches a thickness of 15–20m and is being quarried (Figure 2(A)) for its prized ‘marbleized’ qualities"
Methods
Life forms: snakes,bats,rodents
Sample size: 10 specimens
Metadata
Sample number: 4449
Contributor: John Alroy
Enterer: Nicholas Vine
Modifier no: John Alroy
Created: 2024-11-11 01:58:35
Modified: 2024-11-11 05:54:29
Abundance distribution
4 species
2 singletons
total count 10
geometric series index: 12.0
Fisher's α: 2.471
geometric series k: 0.5503
Hurlbert's PIE: 0.5333
Shannon's H: 1.0889
Good's u: 0.8200
Each square represents a species. Square sizes are proportional to counts.
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Register
| Colubroidea indet. | 2 | |
| cf. Colubrinae | ||
| †Hipposideros amenhotepos | 1 | |
| formerly Pseudorhinolophus sp. nov. | ||
| †Africanomys cf. minor | 6 | |
| Ctenodactylinae indet. | 1 | |