Underwood 36 (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: Qasr el-Sagha Formation, Priabonian (38.0 - 33.9 Ma)

• basal conglomerate 0-1.5m above base of large channel

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; conglomerate

• tidal channel

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 137579: authorized by Mark Uhen, entered by Mark Uhen on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 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 - Rhynchobatidae
Rhynchobatus sp. Müller and Henle 1837 wedgefish
 Rhinopristiformes - Pristidae
Pristidae indet. Bonaparte 1838 sawfish
? Pristis sp. Linck 1790 sawfish
Pristis lathami Galeotti 1837 sawfish
Anoxypristis sp. White and Moy-Thomas 1941 sawfish
 Myliobatiformes -
Coupatezia sp. Cappetta 1982 stingray
aff. Coupatezia sp. Cappetta 1982 stingray
 Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888 whiptail stingray
? Pastinachus sp. Rüppell 1828 whiptail stingray
Neotrygon sp. Castelnau 1873 whiptail stingray
 Myliobatiformes - Myliobatidae
? Myliobatidae indet. Bonaparte 1838 eagle ray
Garabatis sp. eagle ray
Archaeomanta sp. Herman 1979 eagle ray
? Burnhamia sp. Cappetta 1976 eagle ray
Aetobatus sp. Blainville 1816 eagle ray
"Rhinoptera" sp. Cuvier 1829 cownose ray
 Myliobatiformes - Gymnuridae
Ouledia sp. stingray
 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
Carcharhinus sp. de Blainville 1816 requiem shark
Rhizoprionodon sp. Whitley 1929 sharpnose shark
 Carchariniformes - Scyliorhinidae
Oxyscyllium sp. Noubhani and Cappetta 1997 cat shark
Crassescyliorhinus sp. Underwood and Ward 2008 cat shark
 Carchariniformes - Hemigaleidae
Hemipristis sp. Agassiz 1843 ground shark
 Heterodontiformes - Heterodontidae
Heterodontus sp. de Blainville 1816 bullhead shark
 Euselachii -
Odontorhytis aff. pappenheimi Bohm 1926 elasmobranch
 Orectolobiformes - Orectolobidae
? Stegostoma sp. Mueller and Henle 1838 wobbegong
 Orectolobiformes - Hemiscylliidae
Chiloscyllium sp. Müller and Henle 1837 carpet shark