Underwood 33 (Eocene of Egypt)

Where: Egypt (29.3° N, 30.1° E: paleocoordinates 24.6° N, 26.0° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Gehannam Formation, Priabonian (38.0 - 33.9 Ma)

• mudstones ?equivalent to sandstones above Camp White Layer

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; mudstone

• open marine mudstones

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 137575: authorized by Mark Uhen, entered by Mark Uhen on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Misrichthyes stromeri
Chondrichthyes
 Myliobatiformes - Myliobatidae
"Myliobatis" sp., ? Eoplinthicus sp.
"Myliobatis" sp. Cuvier 1816 eagle ray
sp. 1, sp. 2
? Eoplinthicus sp. Cappetta and Stringer 2002 eagle ray
 Rhinopristiformes - Pristidae
Pristidae indet., Anoxypristis sp.
Pristidae indet. Bonaparte 1838 sawfish
Anoxypristis sp. White and Moy-Thomas 1941 sawfish
 Lamniformes - Carchariidae
"Carcharias" aff. twiggsensis
 Lamniformes - Alopiidae
Alopias sp.
Alopias sp. Rafinesque 1810 thresher shark
 Lamniformes - Lamnidae
Macrorhizodus praecursor
Macrorhizodus praecursor Leriche 1905 mackerel shark
 Carcharhiniformes - Carcharhinidae
Negaprion aff. frequens, Carcharhinus sp.
Carcharhinus sp. de Blainville 1816 requiem shark