The Gehannam Formation (or Gar Gehannam) is a formation in Egypt which dates to the Eocene. It is similar in age to the Birket Qarun Formation.

Paleobiota

Mammals

Afrotheres

Afrotheres
GenusSpeciesMemberLocalityMaterialNotesImages
ProtosirenP. smithae

Cetacea

Cetacea
GenusSpeciesMemberLocalityMaterialNotesImages
BasilosaurusB. isis
DorudonD. atrox
AegicetusA. gehennae
MasracetusM. markgrafi
Protocetidaeindeterminate

Reptiles

Crocodylomorphs

Crocodylomorphs
GenusSpeciesMemberLocalityMaterialNotesImages
ParatomistomaP. courtii

Fish

Actinopterygians

Actinopterygians
GenusSpeciesMemberLocalityMaterialNotesImages
"Pycnodus""P". mokattamensis

Chondrichthyes

Selachimorpha
GenusSpeciesMemberLocalityMaterialNotesImages
RhizoprionodonR. sp.
MacrorhizodusM. praecursor
NegaprionN. frequens, N. amekiensis
NebriusN. sp.
AlopiasA. sp.
HemipristisH. sp.
Triakidae
OtodusO. sokolovi
HexanchusH. sp.
SquatinaS. sp.
LeptochariasL. sp.
CarchariasC. sp.
PhysogaleusP. sp.
AbdouniaA. sp.
CrassescyliorhinusC. sp.
GaleocerdoG. sp.
BrachycarchariasB. cf. twiggsensis