Al Jadidah, Hasa, near Al Hofuf Oasis (Miocene of Saudi Arabia)

Where: Saudi Arabia (25.7° N, 49.5° E: paleocoordinates 23.2° N, 47.4° E)

• coordinate stated in text

When: Hofuf Formation, Middle Miocene (16.0 - 11.6 Ma)

• Age estimated at 12-13Ma, Vindobien, MN6. The formation contains rare Gastropods, Ostracods and Charophytes.


• The fossils are found in a layer of yellow and white sands with small conglomerates and often very 'indurés'.

Size classes: macrofossils, mesofossils

Collection methods: Over 600 vertebrate fossils recovered. Site found during Dam building in 1976. Material provisionally held in the Natural History Museum, Paris, and will be permanently conserved at the 'Universite du Petrole et des Mineraux', Dhahran.

Primary reference: H. Thomas, P. Taquet, G. Ligabue and C. Del'Agonola. 1978. Decouverte d'un gisement de Vertebres dans les depots continentaux du Miocene moyen du Hasa (Arabia saoudite). Comptes Rendus Sommaire des Societé Geologique Francais, Paris (2)69-72 [A. Turner/H. O'Regan/H. O'Regan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41818: authorized by Alan Turner, entered by Hannah O'Regan on 21.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda indet. Latreille 1802 ostracod
Gastropoda indet. Cuvier 1797 snail
"Pisces indet." = Osteichthyes
"Pisces indet." = Osteichthyes Huxley 1880 bony fish
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Loricata -
Crocodylia indet. crocodilian
 Rodentia - Sciuridae
Atlantoxerus sp. Major 1893 squirrel
1 mandible with M1-M3.
 Rodentia - Ctenodactylidae
Metasayimys intermedius n. sp. gundi
1 mandible with dp4-M2, 1 lower incisor.
 Perissodactyla - Rhinocerotidae
Dicerorhinus cf. primaevus rhinoceros
not very abundant.
 Carnivora - Percrocutidae
Percrocuta sp. Kretzoi 1938 carnivoran
1 maxilla fragment with P2-P4 and M1 alveolus.
 Proboscidea - Gomphotheriidae
Gomphotherium angustidens Burmeister 1837 gomphothere
1 maxilla with P4-M2.
 Artiodactyla - Suidae
cf. Lopholistriodon sp. Pickford and Wilkinson 1975 pig
1 upper canine.
 Artiodactyla - Tragulidae
? Tragulidae indet. Milnes-Edwards 1864 chevrotain
1 distal humerus, possibly Dorcatherium sp.
 Artiodactyla - Giraffidae
Palaeotragus sp. Gaudry 1861 giraffe
front and back feet and isolated teeth.
 Artiodactyla - Bovidae
Gazella sp. Blaineville 1816 gazelle
Protragocerus sp. Deperet 1887 antelope
Charophyta indet. Migula 1890