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Aïn el Guettar - Oum ed Diab, Tunisia

Formation	Aïn el Guettar
Member	Oum ed Diab
Age:	105 - 100 Ma Cretaceous
Interval	Albian
Lithology	sandstone, sandstone/claystone
Number of Collections	5
Number of Occurrences	33

Recorded Sample Locations

Location	Region	Stratigraphic Name
Oued el Khil	Medenine, Tunisia	Aïn el Guettar - Oum ed Diab
Touil el Mra	Tataouine, Tunisia	Aïn el Guettar - Oum ed Diab
Oum ed Diab	Tataouine, Tunisia	Aïn el Guettar - Oum ed Diab
southwest of El Mra	Tataouine, Tunisia	Ain el Guettar - Oum ed Diab

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Douiret - Douiret Sand	133 - 125 Ma Early/Lower Cretaceous	sandstone/claystone	10

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Caturus sp. genus	6	Animalia : Chordata : Actinopterygii : Amiiformes : Caturidae : *Caturus*	113 - 100.5 Ma Early/Lower Cretaceous
Lepidotes sp. genus	6	Animalia : Chordata : Actinopterygii : Lepisosteiformes : *Lepidotes*	113 - 100.5 Ma Early/Lower Cretaceous
Teleostei unranked clade	99	Animalia : Chordata : Actinopteri : Teleostei	113 - 100.5 Ma Early/Lower Cretaceous
Pycnodontiformes order	4	Animalia : Chordata : Actinopteri : Pycnodontiformes	113 - 100.5 Ma Early/Lower Cretaceous
Semionotidae family	5	Animalia : Chordata : Actinopteri : Semionotiformes : Semionotidae	113 - 100.5 Ma Early/Lower Cretaceous
Cretodus sp. genus	6	Animalia : Chordata : Elasmobranchii : Lamniformes : Cretoxyrhinidae : *Cretodus*	113 - 100.5 Ma Early/Lower Cretaceous
Onchopristis dunklei species	7	Animalia : Chordata : Chondrichthyes : Rhinopristiformes : Pristidae : Onchopristis : *Onchopristis dunklei*	113 - 100.5 Ma Early/Lower Cretaceous
Coelacanthimorpha class	3	Animalia : Chordata : Coelacanthimorpha	113 - 100.5 Ma Early/Lower Cretaceous
Mawsonia sp. genus	6	Animalia : Chordata : Coelacanthimorpha : Coelacanthiformes : Mawsoniidae : *Mawsonia*	113 - 100.5 Ma Early/Lower Cretaceous
Hadrosauroidea unranked clade	99	Animalia : Chordata : Ornithischia : Hadrosauroidea	113 - 100.5 Ma Early/Lower Cretaceous
Crocodylia order	4	Animalia : Chordata : Reptilia : Crocodylia	113 - 100.5 Ma Early/Lower Cretaceous
Bernissartiidae family	5	Animalia : Chordata : Reptilia : Eosuchia : Bernissartiidae	113 - 100.5 Ma Early/Lower Cretaceous
Araripesuchus wegeneri species	7	Animalia : Chordata : Reptilia : Crocodylia : Araripesuchus : *Araripesuchus wegeneri*	105.3 - 99.6 Ma Cretaceous
Mesoeucrocodylia unranked clade	99	Animalia : Chordata : Reptilia : Eosuchia : Mesoeucrocodylia	105.3 - 99.6 Ma Cretaceous
Hamadasuchus sp. genus	6	Animalia : Chordata : Reptilia : Crocodylia : Peirosauridae : *Hamadasuchus*	113 - 100.5 Ma Early/Lower Cretaceous
Ornithocheiridae family	5	Animalia : Chordata : Reptilia : Pterosauria : Ornithocheiridae	113 - 100.5 Ma Early/Lower Cretaceous
Sauropoda unranked clade	99	Animalia : Chordata : Saurischia : Sauropoda	113 - 100.5 Ma Early/Lower Cretaceous
Somphospondyli unranked clade	99	Animalia : Chordata : Saurischia : Somphospondyli	113 - 100.5 Ma Early/Lower Cretaceous
Rebbachisauridae unranked clade	99	Animalia : Chordata : Saurischia : Rebbachisauridae	113 - 100.5 Ma Early/Lower Cretaceous
Tataouinea hannibalis species	7	Animalia : Chordata : Saurischia : Rebbachisauridae : Tataouinea : *Tataouinea hannibalis*	112.03 - 109 Ma Early/Lower Cretaceous

References

Le Loeuff J., Buffetaut E., et al (2000) Mesozoic continental vertebrates of Tunisia, 5th European Workshop on Vertebrate Palaeontology, Staatliches Museum für Naturkunde, Geowissenschaften Abteilung. Program. Abstracts. Excursion Guides, 45

Cuny G., Cobbett A. M., et al (2010) Vertebrate microremains from the Early Cretaceous of southern Tunisia, Geobios 43, 615-628

Fanti F., Cau A., et al (2013) A new sauropod dinosaur from the Early Cretaceous of Tunisia with extreme avian-like pneumatization, Nature Communications 4 2080, 1-7 doi:10.1038/ncomms3080

Fanti F., Cau A., et al (2014) Evidence of titanosauriforms and rebbachisaurids (Dinosauria: Sauropoda) from the Early Cretaceous of Tunisia, Journal of African Earth Sciences 90, 1-8

Fanti F., Cau A., et al (2016) Evidence of iguanodontian dinosaurs from the Lower Cretaceous of Tunisia, Cretaceous Research 60, 267-274 doi:10.1016/j.cretres.2015.12.008

Martill D. M., Ibrahim N., et al (2018) A giant pterosaur in the Early Cretaceous (Albian) of Tunisia, Journal of African Earth Sciences doi:10.1016/j.jafrearsci.2018.05.008

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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