Gehannam Formation

{{Infobox rockunit

| name = Gehannam Formation

| image =

| imagesize = 250px

| type = Sedimentary

| age = Eocene
~{{fossil range|47.8|33.9}}

| period = Eocene

| prilithology = Sandstone, claystone, shale,limestone claystone

| otherlithology =

| namedby =

| region = Faiyum Governorate

| country = Egypt

| coordinates =

| unitof =

| subunits =

| underlies =

| overlies =

| thickness =

| extent =

| area =

| map =

| map_caption =

}}

The Gehannam Formation (or Gar Gehannam) is a formation in Egypt which dates to the Eocene.{{cite web |title=Zeuglodon Valley (Eocene to of Egypt) |url=https://paleobiodb.org/classic/basicCollectionSearch?collection_no=62459&is_real_user= |website=PBDB.org}} It is similar in age to the Birket Qarun Formation.

Paleobiota

=[[Mammal]]s=

==Afrotheres==

class="wikitable"

|+Afrotheres

!Genus

!Species

!Member

!Locality

!Material

!Notes

!Images

Protosiren

|P. smithae

|

==Cetacea==

class="wikitable"

|+Cetacea

!Genus

!Species

!Member

!Locality

!Material

!Notes

!Images

Basilosaurus

|B. isis

|

Dorudon

|D. atrox

|

Aegicetus

|A. gehennae

|

Masracetus

|M. markgrafi

|

Protocetidae

|indeterminate

|

= [[Reptile]]s =

== Crocodylomorphs ==

class="wikitable"

|+Crocodylomorphs

!Genus

!Species

!Member

!Locality

!Material

!Notes

!Images

Paratomistoma

|P. courtii

|

= [[Fish]] =

== Actinopterygians ==

class="wikitable"

|+Actinopterygians

!Genus

!Species

!Member

!Locality

!Material

!Notes

!Images

"Pycnodus"

|"P". mokattamensis

|

== Chondrichthyes ==

class="wikitable"

|+Selachimorpha

!Genus

!Species

!Member

!Locality

!Material

!Notes

!Images

Rhizoprionodon

|R. sp.

|

Macrorhizodus

|M. praecursor

|

|200px

Negaprion

|N. frequens, N. amekiensis

|

Nebrius

|N. sp.

|

Alopias

|A. sp.

|

Hemipristis

|H. sp.

|

Triakidae

|

Otodus{{Cite journal |last=Underwood |first=Charlie J. |last2=Ward |first2=David J. |last3=King |first3=Christopher |last4=Antar |first4=Sameh M. |last5=Zalmout |first5=Iyad S. |last6=Gingerich |first6=Philip D. |date=2011-01-01 |title=Shark and ray faunas in the Middle and Late Eocene of the Fayum Area, Egypt |url=https://www.sciencedirect.com/science/article/abs/pii/S0016787810000854 |journal=Proceedings of the Geologists' Association |series=Environmental Change in sub-Saharan Africa |volume=122 |issue=1 |pages=47–66 |doi=10.1016/j.pgeola.2010.09.004 |issn=0016-7878|url-access=subscription }}

|O. sokolovi

|

|200px

Hexanchus

|H. sp.

|

Squatina

|S. sp.

|

Leptocharias

|L. sp.

|

Carcharias

|C. sp.

|

Physogaleus

|P. sp.

|

Abdounia

|A. sp.

|

Crassescyliorhinus

|C. sp.

|

Galeocerdo

|G. sp.

|

Brachycarcharias

|B. cf. twiggsensis

|

References

Category:Geology of Egypt