Underwood 15 (Eocene of Egypt)

Where: Egypt (29.3° N, 30.1° E: paleocoordinates 24.7° N, 26.0° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• glauconite lens

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; glauconitic mudstone

• open marine mudstones

Size classes: macrofossils, mesofossils

Collection methods: bulk, 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 137550: authorized by Mark Uhen, entered by Mark Uhen on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Chondrichthyes
 Squatiniformes - Squatinidae
Squatina sp. Dumeril 1806 angel shark
 Odontaspidida - Lamiostomatidae
Macrorhizodus praecursor Leriche 1905 elasmobranch
 Odontaspidida - Alopiidae
Alopias sp. Rafinesque 1810 thresher shark
 Euselachii - Galeidae
Triakis sp. elasmobranch
Leptocharias sp. Müller and Henle 1837 elasmobranch
 Rajiformes - Rhinobatidae
Rhinobatos sp. Link 1790 guitarfish
 Rajiformes - Rhynchobatidae
Rhynchobatus sp. Müller and Henle 1837 wedgefish
 Rhinopristiformes - Pristidae
Anoxypristis sp. White and Moy-Thomas 1941 sawfish
 Myliobatiformes -
Coupatezia sp. Cappetta 1982 stingray
 Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888 whiptail stingray
 Myliobatiformes - Myliobatidae
Myliobatidae indet. Bonaparte 1838 eagle ray
? Eoplinthicus sp. Cappetta and Stringer 2002 eagle ray
Archaeomanta sp. Herman 1979 eagle ray
? Burnhamia sp. Cappetta 1976 eagle ray
"Rhinoptera" sp. Cuvier 1829 cownose ray
 Myliobatiformes - Gymnuridae
? Ouledia sp. stingray
Mobula sp.
Gymnura sp. Van Hasselt 1823 stingray
 Myliobatiformes - Platyrhinidae
? Platyrhina sp. Müller and Henle 1838 stingray
 Torpediniformes - Narcinidae
Narcine sp. Henle 1834 numbfish
 Lamniformes - Otodontidae
"Carcharocles sokolovi" = Otodus (Carcharocles)
"Carcharocles sokolovi" = Otodus (Carcharocles) mackerel shark
 Carchariniformes - Carcharhinidae
Physogaleus sp. Cappetta 1980 requiem shark
Abdounia sp. Cappetta 1980 requiem shark
Rhizoprionodon sp. Whitley 1929 sharpnose shark
 Carchariniformes - Scyliorhinidae
Scyliorhinidae indet. Gill 1862 cat shark
Crassescyliorhinus sp. Underwood and Ward 2008 cat shark
 Carchariniformes - Hemigaleidae
Hemipristis sp. Agassiz 1843 ground shark
 Carchariniformes - Triakidae
Mustelus sp. hound shark
 Heterodontiformes - Heterodontidae
Heterodontus sp. de Blainville 1816 bullhead shark
 Orectolobiformes - Orectolobidae
? Stegostoma sp. Mueller and Henle 1838 wobbegong
 Orectolobiformes - Parascylliidae
Megascyliorhinus sp. Cappetta and Ward 1977 collared carpetshark
 Orectolobiformes -
? Pararhincodon sp. Herman 1975 carpet shark
Eostegostoma sp. Herman and Crochard 1977 carpet shark
 Pristiophoriformes - Pristiophoridae
Pristiophorus sp. Bleeker 1859 saw shark
 Hexanchiformes - Hexanchidae
Hexanchus sp. Rafinesque 1810 sixgill shark