PBDB Collection

Dakhla Oasis Area, Sh-1a (Cretaceous of Egypt)

Where: El Wadi El Gadid, Egypt (25.5° N, 29.0° E: paleocoordinates 3.9° N, 23.7° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Six Hills Formation, Barremian (129.4 - 125.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithified shale and lithified sandstone

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: core, chemical,

Primary reference: E. Schrank and M. S. Mahmoud. 2002. Barremian angiosperm pollen and associated palynomorphs from the Dakhla Oasis Area, Egypt. Palaeontology 45(1):33-56 [H. Wang/M. Arakaki/M. Arakaki]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 139495: authorized by Carlos Jaramillo, entered by Gabriela Doria on 12.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Pteridopsida
-	Cyathidites sp., Deltoidospora spp. Cyathidites sp. Couper 1953 Deltoidospora spp. Miner 1935
Triplanosporites
-	Triplanosporites sp. Triplanosporites sp. Pflug 1953
Polypodiopsida
Schizaeales - Polypodiidae	Cicatricosisporites spp., Cicatricosisporites orbiculatus, Appendicisporites spp. Cicatricosisporites spp. Potonie and Gelletich 1933 Cicatricosisporites orbiculatus Singh 1964 Appendicisporites spp. Weyland and Greifeld 1953
-	Biretisporites sp., Biretisporites potoniaei Biretisporites sp. Delcourt et al. 1963 Biretisporites potoniaei Delcourt and Sprumont 1955
Angiospermae
-	Afropollis "column operculatus gr", Retimonocolpites "sp. 1" Afropollis "column operculatus gr" Doyle et al. 1982 Retimonocolpites "sp. 1" Pierce 1961
Mesangiosperms - Liliaceae	Liliacidites sp. Liliacidites sp. Couper 1953
Concavissimisporites
-	Concavissimisporites sp., Concavissimisporites punctatus Concavissimisporites sp. Delcourt and Sprumont 1955 Concavissimisporites punctatus Pocock 1964
Ginkgoopsida
Ephedrales -	Ephedripites spp., Ephedripites jansonii Ephedripites spp. Bolkhovitina and Potonié 1958 Ephedripites jansonii Muller 1968
Cycadopites
-	Cycadopites spp. Cycadopites spp. Wodehouse 1933
Equisetopsida
Pinidae - Pinidae	Balmeisporites "sp. 1", Balmeisporites sp., Classopollis spp. Balmeisporites "sp. 1" Cookson and Dettmann 1958 Balmeisporites sp. Cookson and Dettmann 1958 Classopollis spp. Pflug 1953
Algae
- Zygnemataceae	Ovoidites parvus Ovoidites parvus Nakoman 1966
Marchantiopsida
- Marchantiidae	Triporoletes reticulatus Triporoletes reticulatus Playford 1971
Sphaerocarpales -	Aequitriradites spp. Aequitriradites spp. Delcourt and Sprumont 1955
Dinophyceae
Gonyaulacales - Ceratiaceae	Odontochitina operculata Odontochitina operculata Deflandre 1935
Gonyaulacales - Gonyaulacaceae	Florentinia cf. khaldunii, Florentinia "sp. short spined", Florentinia laciniata, Oligosphaeridium complex Florentinia cf. khaldunii Florentinia "sp. short spined" Davey and Verdier 1973 Florentinia laciniata Davey and Verdier 1973 Oligosphaeridium complex Davey and Williams 1966
Gonyaulacales - Areoligeraceae	Circulodinium deflandrei Circulodinium deflandrei Alberti 1961
-	Spiniferites "sp. short spined" Spiniferites "sp. short spined" Mantell 1850