Baynunah Formation Explained

Baynunah Formation
Type:Geological formation
Age:Late Miocene
~
Period:Miocene
Prilithology:Sandstone, conglomerate
Region:Al Gharbia
Coordinates:24.03°N 53.0383°W
Underlies:Shuwaihat Formation

The Baynunah Formation is a palaeontological formation located in the western region of the Emirate of Abu Dhabi, the United Arab Emirates. It dates to the Upper Miocene epoch of the Neogene period in the Cenozoic Era.

Fauna

Fossils of the hippopotamus genus Archaeopotamus have been found in the formation[1] [2] [3]

Birds

Taxa Species Locality Stratigraphic position Material Notes Images
DiamantornisD. lainiJaw al Dibsa (DBS 2), Hamra (HMR 1, 3, 5), Hadwaniyya (HAD 4, 5, 6), Harmiyyah (HAR 3, 4), Jebel Barakah (JBR 2), Kihal (KIH 3), Ras alQal’a (RAQ 1, 2), Gerain al Aysh (GAA 3, 4, 8), Ras Dubay’ah (RDB 4), Ruwais (RUW), Shuwaihat(SHU 2, 3, 4, 8), and Umm Al Khabir (UAK 1)Multiple collected specimens.An extinct Ratite bird
StruthioS. cf. karatheodorisKihal 2 A pelvis, almost complete except for the pubic symphysis region.
PhalacrocoraxP. sp.A proximal left carpometacarpus, distal right tarsometatarsus, and a tentatively referred proximal right humerus fragment.

Mammals

Artiodactyls

Bovids
Taxa Species Locality Stratigraphic position Material Notes Images
AfrotragusA. libycus
MiotragocerusM. cyrenaicus
PachyportaxP. latidens
ProstrepsicerosP. vinayaki
TragoportaxT. cyrenaicus
Giraffids
Taxa Species Locality Stratigraphic position Material Notes Images
PaleotragusP. aff. germaini
SamotheriumS. cf. sp.
Hippotamids
Taxa Species Locality Stratigraphic position Material Notes Images
ArchaeopotamusA. lothagamensis
A. qeshta
Suidae
Taxa Species Locality Stratigraphic position Material Notes Images
NyanzachoerusN. syrticus
PropotamochoerusP. hysudricus

Proboscideans

Taxa Species Locality Stratigraphic position Material Notes Images
StegotetrabelodonS. emiratusA primitive elephantid.
TetralophodonIndeterminateA gomphothere.
GomphotheriidaeIndeterminate.A gomphothere.
DeinotheriumD. aff. bozasiA deinotheriid

Rodents

Taxa Species Locality Stratigraphic position Material Notes Images
AbudhabiaA. baynunensis
DendromusD. sp
JebelusJ. rex
MyocricetodonM. sp
ParapelomysP. cf. charkhensis
ProtohummusP. dango

Fish

TaxonNotes Image
Bagrus[4]
ClariasAt least two species (possibly 3)
Labeobarbus
?CapoetaProbably Capoeta
African cichlid At least one species
Intermediate

Stegotetrabelodon footprints

Footprints attributed to Stegotetrabelodon have been found in the formation.[5]

See also

Further reading

Notes and References

  1. Web site: Boisserie . Jean-Renaud . Schuster . Mathieu . Beech . Mark . Hill . Andrew . Bibi . Faysal . A New Species of Hippopotamine (Cetartiodactyla, Hippopotamidae) from the Late Miocene Baynunah Formation, Abu Dhabi, United Arab Emirates .
  2. Bibi, F., Hill, A., Beech, M., & Yasin, W. (2013). Late Miocene Fossils from the Baynunah Formation, United Arab Emirates. Fossil Mammals of Asia, 583–594. https://doi.org/10.7312/COLUMBIA/9780231150125.003.0027
  3. Antoine Louchart, Faysal Bibi, John Stewart. Birds from the Baynunah Formation. Sands of Time, Springer International Publishing; Springer International Publishing, pp.125-139, 2022, Vertebrate Paleobiology and Paleoanthropology, ⟨10.1007/978-3-030-83883-6_9⟩. ⟨hal-04025279⟩
  4. Book: Otera . Olga . Home Sands of Time Chapter Fishes from the Baynunah Formation . Springer International Publishing . 10.1007/978-3-030-83883-6_7.
  5. Book: Bibi . Faysal . Kraatz . Brian . Beech . Mark . Hill . Andrew . Sands of Time . Fossil Trackways of the Baynunah Formation . Vertebrate Paleobiology and Paleoanthropology . 2022 . 283–298 . 10.1007/978-3-030-83883-6_17 . 978-3-030-83882-9 . http://paleorxiv.org/uekfw/ .