Underwood 5 (Eocene to of Egypt)

Where: Egypt (29.1° N, 30.1° E: paleocoordinates 22.3° N, 25.3° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Midawara Formation, Lutetian to Lutetian (47.8 - 38.0 Ma)

• glauconitic mudstone seam, 10m below top of Formation

• formation-level stratigraphic resolution

Environment/lithology: open shallow subtidal; glauconitic mudstone

• glauconitic mudstone seam

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 137540: 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 sp., Moerogaleus vitreodon, ? Taeniura sp.
Chondrichthyes
 Rajiformes - Platyrhinidae
? Platyrhina sp., ? Platyrhinoidis sp.
? Platyrhina sp. Müller and Henle 1838 guitarfish
? Platyrhinoidis sp. Garman 1880 guitarfish
 Myliobatiformes - Myliobatidae
"Myliobatis" sp.
"Myliobatis" sp. Cuvier 1816 eagle ray
 Myliobatiformes - Rhinopteridae
"Rhinoptera" sp.
"Rhinoptera" sp. Cuvier 1829 cownose ray
 Myliobatiformes - Dasyatidae
Dasyatidae indet., Dasyatis sp.
Dasyatidae indet. Jordan 1888 whiptail stingray
Dasyatis sp. Rafinesque 1810 whiptail stingray
 Myliobatiformes - Gymnuridae
Ouledia sp., ? Himantura sp., Gymnura sp.
Ouledia sp. Cappetta 1986 stingray
? Himantura sp. Müller and Henle 1837 stingray
Gymnura sp. Van Hasselt 1823 stingray
 Myliobatiformes - Aetobatidae
Aetobatus sp.
Aetobatus sp. Blainville 1816 stingray
 Rhinopristiformes - Pristidae
? Pristis sp.
? Pristis sp. Linck 1790 sawfish
 Rhinopristiformes - Rhynchobatidae
Rhynchobatus sp.
Rhynchobatus sp. Müller and Henle 1837 wedgefish
 Lamniformes - Carchariidae
"Carcharias" aff. twiggsensis
 Lamniformes - Lamnidae
Macrorhizodus praecursor
Macrorhizodus praecursor Leriche 1905 mackerel shark
 Carcharhiniformes - Leptochariidae
Leptocharias sp.
Leptocharias sp. Müller and Henle 1837 ground shark
 Carcharhiniformes - Scyliorhinidae
Crassescyliorhinus sp.
Crassescyliorhinus sp. Underwood and Ward 2008 cat shark
 Carcharhiniformes - Carcharhinidae
Rhizoprionodon sp., Abdounia sp., cf. Carcharhinus sp.
Rhizoprionodon sp. Whitley 1929 sharpnose shark
Abdounia sp. Cappetta 1980 requiem shark
cf. Carcharhinus sp. de Blainville 1816 requiem shark
 Carcharhiniformes - Hemigaleidae
Hemipristis sp.
Hemipristis sp. Agassiz 1835 ground shark
 Orectolobiformes - Parascylliidae
? Pararhincodon sp.
? Pararhincodon sp. Herman 1975 collared carpetshark
 Orectolobiformes - Hemiscylliidae
Hemiscyllium sp.
Hemiscyllium sp. Smith 1837 carpet shark
 Orectolobiformes - Brachaeluridae
Eostegostoma sp.
Eostegostoma sp. Herman and Crochard 1977 carpet shark
 Orectolobiformes - Ginglymostomatidae
Nebrius blanckenhorni
 Torpediniformes - Narcinidae
Narcine sp.
Narcine sp. Henle 1834 numbfish
 Euselachii -
Odontorhytis aff. pappenheimi
Odontorhytis aff. pappenheimi Bohm 1926 elasmobranch