Qasr el-Sagha (Eocene of Egypt)

Where: Egypt (29.6° N, 30.7° E)

• Paleocoordinates: 19.3° N, 32.1° E (Wright 2013)

• coordinate based on political unit

When: Qasr el-Sagha Formation, Late/Upper Eocene (37.7 - 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: CC0 (CC0)

Taxonomic list

Chondrichthyes
 Carcharhiniformes - Hemigaleidae
Hemipristis curvatus Dames 1883 ground shark
 Carcharhiniformes - Carcharhinidae
Carcharhinus frequens Dames 1883 requiem shark
Misrichthys stromeri n. gen. n. sp. requiem shark
Galeocerdo sp. Müller and Henle 1837 tiger shark
Galeocerdo latidens Agassiz 1835 tiger shark
Rhizoprionodon sp. Whitley 1929 sharpnose shark
Abdounia sp. Cappetta 1980 requiem shark
 Lamniformes - Lamnidae
Isurus praecursor Thurmond and Jones 1981 mackerel shark
 Lamniformes - Alopiidae
 Lamniformes - Otodontidae
Carcharocles cf. sokolowi, "Cretolamna twiggsensis" = Cretalamna
Carcharocles cf. sokolowi Jakel 1895 mackerel shark
"Cretolamna twiggsensis" = Cretalamna mackerel shark
 Euselachii -
Odontorhytis pappenheimi Bohm 1926 cartilaginous fish
 Rhinopristiformes - Pristidae
? Pristis fajumensis Stromer 1905 sawfish
Pristis lathami Galeotti 1837 sawfish
 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 Agassiz 1843 eagle ray
Mammalia
 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
Reptilia
 Testudines - Dermochelyidae
"Psephophorus eocaenus n. sp." = Egyptemys eocaenus3
"Psephophorus eocaenus n. sp." = Egyptemys eocaenus3 Andrews 1901 leatherback