Underwood 12 (Eocene of Egypt)

Where: Egypt (29.4° N, 30.2° E: paleocoordinates 24.7° N, 26.1° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• above main glauconites

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; glauconitic 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 137547: authorized by Mark Uhen, entered by Mark Uhen on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Chondrichthyes
 Odontaspidida - Lamiostomatidae
Macrorhizodus praecursor Leriche 1905 elasmobranch
 Odontaspidida - Alopiidae
Alopias sp. Rafinesque 1810 thresher shark
 Myliobatiformes - Myliobatidae
"Myliobatis" sp. Cuvier 1816 eagle ray
sp. 2
? Eoplinthicus sp. Cappetta and Stringer 2002 eagle ray
? Burnhamia sp. Cappetta 1976 eagle ray
"Rhinoptera" sp. Cuvier 1829 cownose ray
 Lamniformes - Otodontidae
"Carcharocles sokolovi" = Otodus (Carcharocles)
"Carcharocles sokolovi" = Otodus (Carcharocles) mackerel shark
 Lamniformes - Odontaspididae
 Carchariniformes - Carcharhinidae
Physogaleus sp. Cappetta 1980 requiem shark
Abdounia sp. Cappetta 1980 requiem shark
Galeocerdo sp. Müller and Henle 1837 tiger shark
Galeocerdo eaglesomei White 1926 tiger shark
 Carchariniformes - Hemigaleidae
Hemipristis sp. Agassiz 1843 ground shark
 Hexanchiformes - Hexanchidae
Hexanchus sp. Rafinesque 1810 sixgill shark