Harrat Al Ujayfa (Oligocene of Saudi Arabia)

Where: Al Hijaz, Saudi Arabia (21.7° N, 39.8° E: paleocoordinates 17.1° N, 34.7° E)

• coordinate estimated from map

When: middle unit Member (Shumaysi Formation), Oligocene (33.9 - 23.0 Ma)

• straddles early and late Oligocene boundary, 28-29 Ma

Environment/lithology: mire or swamp; lithology not reported

• back-mangrove

Size class: macrofossils

Preservation: original phosphate

Primary reference: I. S. Zalmout, W. J. Sanders, L. M. MacLatchy, G. F. Gunnell, Y. A. Al-Mufarreh, M. A. Ali, A.-A. H. Nasser, A. M. Al-Masari, S. A. Al-Sobhi, A. O. Nadhra, A. H. Matari, J. A. Wilson, and P. D. Gingerich. 2010. New Oligocene primate from Saudi Arabia and the divergence of apes and Old World monkeys. Nature 466:360-364 [M. Uhen/M. Uhen/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 97221: authorized by Mark Uhen, entered by Mark Uhen on 20.07.2010, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Anthracotheriidae
Bothriogenys fraasi Schmidt 1913 anthracothere
 Primates - Saadaniidae
Saadanius hijazensis n. gen. n. sp.
Saadanius hijazensis n. gen. n. sp. Zalmout et al. 2010 monkey
 Proboscidea - Palaeomastodontidae
Palaeomastodon sp. Andrews 1901 proboscidean
 Proboscidea - Gomphotheriidae
cf. Gomphotherium sp. Burmeister 1837 gomphothere
Chilga-type
 Proboscidea - Mammutidae
Mammutidae indet. Hay 1922 mastodon
 Embrithopoda - Arsinoitheriidae
Arsinoitherium cf. zitteli Beadnell 1902 placental
originally entered as "Arsinoitherium cf. zitelli"
 Hyracoidea - Pliohyracidae
Geniohyus sp. Andrews 1904 hyrax
or Bunohyrax sp.
Megalohyrax eocaenus Andrews 1903 hyrax
Reptilia
 Testudines - Podocnemididae
"Neochelys fajumensis" = Shetwemys fajumensis
"Neochelys fajumensis" = Shetwemys fajumensis Andrews 1903 sideneck turtle
SGS-UM-2014-004, complete cranium