Ahl al Oughlam
Basic information
Sample name: Ahl al Oughlam

Reference: D. Geraads. 1995. Rongeurs et insectivores (Mammatia) du Pliocène final de Ahl Al Oughlam (Casablanca, Maroc). Geobios 28(1):99-115 [ER 2366]
Geography
Country: Morocco


Coordinate: 33° 34' 6" N, 7° 30' 43" W
Coordinate basis: based on nearby landmark

Time interval: Early Pleistocene

Ma: 2.5

Geography comments: a quarry "situé en bordure sud-est de l'agglomération de Casablanca" (coordinate based on Ahl al Oughlam)
"l'ãge peut être estimé, par la biochronologique, á 2,5 m.a."

•
Environment
Substrate: ground surface

Lithology: sandstone

Habitat comments: "Le micromammifères, dont l'accumulation résulte de l'action des prédateurs, comme le montre
la forte digestion des dents, y sont extrêmement abondants"
"sable argileux rouge"

Methods
Life forms: rodents,other small mammals

Sampling methods: screenwash

Sample size: 2253 specimens

Sampling comments: "récolte... que le tamisage de quelques centaines de kg de sédiment"

Metadata
Sample number: 2539

Contributor: John Alroy

Enterer: John Alroy

Created: 2017-02-14 21:03:31

Modified: 2017-02-14 10:03:31

Abundance distribution
9 species
1 singleton
total count 2253
geometric series index: 11.7
Fisher's α: 1.193
geometric series k: 0.4160
Hurlbert's PIE: 0.6579
Shannon's H: 1.2813
Good's u: 0.9996
Each square represents a species. Square sizes are proportional to counts.
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Register
Paraethomys chikeri589
Praomys skouri oughlamensis141
new subspecies
Mus haouzi1116
Dipodillus bibersoni349
"Gerbillus bibersoni": new species
Irhoudia aff. bohlini2
Hystrix sp.1
Suncus barbarus24
new: count is of the minimum number of maxillae (7) and mandibles (17) based on measurements
Asoriculus maghrebiensis29
"Episoriculus maghrebiensis": count is of the minimum number of maxillae (17) and mandibles (12)
Erinaceus (Atelerix) sp.2