Qasr el-Sagha (Eocene of Egypt)

Where: Egypt (29.6° N, 30.7° E: paleocoordinates 24.9° N, 26.6° E)

• coordinate based on political unit

When: Qasr el-Sagha Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; shale and limestone

• Alternating shales and limestones with sands and sandstones in the upper part.

Size classes: macrofossils, mesofossils

Primary reference: G. R. Case and H. Cappetta. 1990. The Eocene selachian fauna from the Fayum Depression in Egypt. Palaeontographica Abteilung A 212(Lfg. 1-6):1-30 [J. Kriwet/W. Glaeser]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 62468: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 20.07.2006, edited by Mark Uhen and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

 Odontaspidida - Alopiidae
 Myliobatiformes - Myliobatidae
Myliobatis "sp. 1" Cuvier 1816 eagle ray
Myliobatis "sp. 2" Cuvier 1816 eagle ray
Aetobatus sp. Blainville 1816 eagle ray
"Aetobatus cf. irregularis" = Aetobatis irregularis Agassiz 1843 eagle ray
 Pristiformes - Pristidae
Pristis lathami Galeotti 1837 sawfish
? Pristis fajumensis Stromer 1905 sawfish
 Lamniformes - Otodontidae
 Lamniformes - Lamnidae
Isurus praecursor Thurmond and Jones 1981 mako shark
 Lamniformes - Cretoxyrhinidae
Cretolamna twiggsensis mackerel shark
 Carchariniformes - Carcharhinidae
Abdounia sp. Cappetta 1980 requiem shark
Misrichthys stromeri n. gen. n. sp. requiem shark
Galeocerdo sp. Müller and Henle 1837 tiger shark
Galeocerdo latidens Agassiz 1843 tiger shark
Carcharhinus frequens requiem shark
Rhizoprionodon sp. Whitley 1929 sharpnose shark
 Carchariniformes - Hemigaleidae
Hemipristis curvatus Dames 1883 ground shark
 Euselachii -
Odontorhytis pappenheimi Bohm 1926 elasmobranch
 Testudines - Dermochelyidae
"Psephophorus eocaenus n. sp." = Egyptemys eocaenus3
"Psephophorus eocaenus n. sp." = Egyptemys eocaenus3 Andrews 1901 leatherback
 Cetacea - Basilosauridae
"Dorudon osiris" = Saghacetus osiris2, "Zeuglodon sensitivus n. sp." = Saghacetus osiris1
"Dorudon osiris" = Saghacetus osiris2 Dames 1894 whale
"Zeuglodon sensitivus n. sp." = Saghacetus osiris1 Dames 1894 whale
see Gingerich 1992 for discussion of the type locality of Z. sensitivus