Underwood 40 (Eocene of Egypt)

Where: Egypt (29.3° N, 30.0° E: paleocoordinates 24.6° N, 25.9° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Qasr el-Sagha Formation, Priabonian (38.0 - 33.9 Ma)

• glaucontitic base of shell bed above dune sets

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; glauconitic sandstone

• conglomerate at base of large dune sets

Size classes: macrofossils, mesofossils

Collection methods: surface (in situ)

Primary reference: C. J. Underwood, D. J. Ward, C. King, S. M. Antar, I. S. Zalmout and P. D. Gingerich. 2011. Shark and ray faunas in the Middle and Late Eocene of the Fayum Area, Egypt. Proceedings of the Geologists’ Association 122(1):47-66 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 137583: authorized by Mark Uhen, entered by Mark Uhen on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Chondrichthyes
 Odontaspidida - Alopiidae
Alopias sp. Rafinesque 1810 thresher shark
 Myliobatiformes - Mobulidae
aff. Burnhamia sp. Cappetta 1976 stingray
 Myliobatiformes - Dasyatidae
? Pastinachus sp. Rüppell 1828 whiptail stingray
 Myliobatiformes - Rhinopteridae
"Rhinoptera" sp. Cuvier 1829 cownose ray
 Myliobatiformes - Myliobatidae
Myliobatidae indet. Bonaparte 1838 eagle ray
"Myliobatis" sp. Cuvier 1816 eagle ray
sp. 1, sp. 2
Aetobatus sp. Blainville 1816 eagle ray
 Pristiformes - Pristidae
Anoxypristis sp. White and Moy-Thomas 1941 sawfish
 Carchariniformes - Carcharhinidae
Carcharhinus sp. de Blainville 1816 requiem shark
Rhizoprionodon sp. Whitley 1929 sharpnose shark
or Sphyrna sp.
 Euselachii -
Odontorhytis aff. pappenheimi Bohm 1926 elasmobranch