Where: Ash Sharqiyah, Saudi Arabia (26.4° N, 50.1° E: paleocoordinates 12.7° N, 41.6° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Umm al-Rua’us Formation, Ypresian (56.0 - 47.8 Ma)
• A real mess! No lithostratigraphic name given, but literature search suggests that similar Ypressian age facies in the Dammam region belong to the Umm al-Rua’us Formation. The biostratigraphy in the manuscript is not clear, but foraminifera suggest a Ypresian age. Other faunal groups have less well constrained age ranges, with a lot of Danian molluscs.
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, sideritic, gray, yellow shale and sideritic, gray, yellow marl
Size classes: macrofossils, microfossils
Preservation: cast, original aragonite, original calcite, replaced with limonite
Collection methods: Specimens are deposited at the Faculty of Science Ain Shams, University of Cairo.
Primary reference: H. L. Abbass. 1972. Paleontological studies of some Saudi Arabian lower Tertiary fossils. Egyptian Journal of Geology 16(1):35-68 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 42459: authorized by Austin Hendy, entered by Austin Hendy on 29.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
"Sphyrna prisca" = Cestracion prisca
"Sphyrna prisca" = Cestracion prisca Agassiz 1843 bullhead shark | |
"Lamna rapax" = Scapanorhynchus rapax
"Lamna rapax" = Scapanorhynchus rapax Quaas 1902 goblin shark | |
"Oxyrhina desori" = Isurus oxyrinchus Rafinesque 1810 mackerel shark
Lamna libyca mackerel shark
Lamna sp. Cuvier 1816 mackerel shark | |
Otodus obliquus Agassiz 1838 mackerel shark | |
Galeocerdo latidens Agassiz 1835 tiger shark | |
Hemipristis serra Agassiz 1835 ground shark | |
Myliobatis sp. Cuvier 1816 eagle ray | |
Reptilia | |
Ancistrodon libycus cottonmouth | |
Actinopteri | |
Eotrigonodon serratus Gervais 1852 | |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin | |
Rhynchonellata | |
Terebratulina arabica Abbass 1972 | |
Bivalvia | |
Venericardia aegyptiaca, "Cardita pulchra" = Cyclocardia (Arcturellina) pulchra
"Cardita pulchra" = Cyclocardia (Arcturellina) pulchra Deshayes 1858 clam | |
Lucina (Miltha) decorata Wood 1850 clam
"Lucina (Miltha) depressa" = Miltha clam
Lucina (Miltha) inflata Abbass 1972 clam | |
Thyasira (Thyasira) rashidi Abbass 1972 clam | |
Sportella yamanii Abbass 1972 clam | |
Meretrix shantii Abbass 1972 venus clam | |
Chama nejdensis Abbass 1972 jewel box | |
Mesodesma elongata Abbass 1972 clam | |
Raetomya minuta Abbass 1972 clam | |
Corbula (Corbula) khalidi Abbass 1972 clam
Corbula taheri Abbass 1972 clam | |
Spondylus sp. Linnaeus 1758 scallop | |
Ostrea sp. Linnaeus 1758 oyster | |
Modiolus sp. Lamarck 1801 mussel | |
Nucula sp. Lamarck 1799 nut clam
"Nucula mixta" = Nucula (Nucula) mixta Deshayes 1858 nut clam
Nucula (Nucula) nejdensis Abbass 1972 nut clam | |
Cephalopoda | |
"Nautilus subfleuriausianus" = Eutrephoceras subfleuriausianum
"Nautilus subfleuriausianus" = Eutrephoceras subfleuriausianum d'Archiac 1850 | |
Gastropoda | |
Architectonica picteti sundial | |
Neritopsis faizae Abbass 1972 snail | |
"Euvasum frequens" = Eovasum
"Euvasum frequens" = Eovasum snail | |
Mesalia trochoides turret shell
Turritella (Peyrotia) sp. Cossman 1912 turret shell
Turritella (Zaria) sp. Gray 1847 turret shell | |
Amaea (Coniscala) brevicula wentletrap | |
"Bernaya libyca" = Palaeocypraea (Palaeocypraea) libyca, Eucypraea ahmadi
"Bernaya libyca" = Palaeocypraea (Palaeocypraea) libyca Oppenheim 1906 cowry
Eucypraea ahmadi Abbass 1972 cowry | |
Clavilithes longaevus snail | |
Heligmotoma niloticum snail | |
Cancellaria badrii Abbass 1972 snail | |
"Conolithus acutus" = Conus (Conolithes)
"Conolithus acutus" = Conus (Conolithes) cone shell | |
Cryptospira sp. margin shell | |
Semiterebellum arabicum Abbass 1972 snail
Semiterebellum inflatum Abbass 1972 snail
Calyptraphorus indicus snail | |
Rimella quoseibii Abbass 1972 true conch
Terebellum fusiform true conch
Terebellum saudiensis Abbass 1972 true conch | |
Globularia (Globularia) hatimi Abbass 1972 snail | |
Anthozoa | |
Paracyathus sp. Edwards and Haime 1848 stony coral
Trochocyathus sp. Milne-Edwards and Haime 1848 stony coral | |
Hexactinellida | |
Ventriculites arabicus Abbass 1972 glass sponge | |
Demospongiae | |
Nematinion libycus demosponge
Nematinion saudiensis Abbass 1972 demosponge | |
Foraminifera | |
Trigonodon | |