PBDB Collection

Dakhla Oasis Area, Tda-2b (Cretaceous of Egypt)

Where: El Wadi El Gadid, Egypt (25.5° N, 29.3° E: paleocoordinates 3.8° N, 23.9° 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 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 139501: 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

unclassified
-	Hymenoreticulisporites cf. altimuronatus Hymenoreticulisporites cf. altimuronatus

Life -	Fromea warlinghamensis Fromea warlinghamensis acritarchs
Pteridopsida
-	Cyathidites sp., Todisporites minor, Deltoidospora spp. Cyathidites sp. Couper 1953 Todisporites minor Couper 1953 Deltoidospora spp. Miner 1935
Triplanosporites
-	Triplanosporites sp. Triplanosporites sp. Pflug 1953
Polypodiopsida
Gleicheniales - Polypodiidae	Dictyophyllidites sp. Dictyophyllidites sp. Couper 1958
Schizaeales - Polypodiidae	Cicatricosisporites spp. Cicatricosisporites spp. Potonie and Gelletich 1933
Polypodiales - Polypodiidae	Contignisporites sp. Contignisporites sp. Dettmann 1963
-	Verrucosisporites spp., Biretisporites sp., Biretisporites potoniaei Verrucosisporites spp. Potonie and Kremp 1954 Biretisporites sp. Delcourt et al. 1963 Biretisporites potoniaei Delcourt and Sprumont 1955
- Blechnaceae	Leptolepidites sp. Leptolepidites sp. Couper 1953

Coniferales - Podocarpaceae	Callialasporites microvelatus Callialasporites microvelatus Schulz 1966 podocarp
Angiospermae
-	Afropollis "column operculatus gr", Stellatopollis spp., Retimonocolpites matruhensis, Retimonocolpites "sp. 1", Retimonocolpites "sp. 2 reticulate", Retimonocolpites pennyi, Retimonocolpites cf. pennyi Afropollis "column operculatus gr" Doyle et al. 1982 Stellatopollis spp. Doyle 1976 Retimonocolpites matruhensis Retimonocolpites "sp. 1" Pierce 1961 Retimonocolpites "sp. 2 reticulate" Pierce 1961 Retimonocolpites pennyi Schrank and Mahmoud 2002 Retimonocolpites cf. pennyi Schrank and Mahmoud 2002
Chloranthales - Chloranthaceae	Clavatipollenites cf. hughesii Clavatipollenites cf. hughesii Kemp 1968
Dicotyledoneae
-	Retiacolpites columellatus, Retiacolpites "sp. 1" Retiacolpites columellatus Retiacolpites "sp. 1" Schrank and Mahmoud 2002
Ginkgoopsida
Ephedrales -	Ephedripites spp., Ephedripites multicostatus Ephedripites spp. Bolkhovitina and Potonié 1958 Ephedripites multicostatus Brenner 1963
Cycadopsida
Cycadales -	Eucommiidites spp. Eucommiidites spp. Erdtman 1948 cycads
Equisetopsida
Pinidae - Pinidae	Araucariacites spp., Classopollis spp. Araucariacites spp. Cookson and Couper 1953 Classopollis spp. Pflug 1953
Algae
- Zygnemataceae	Ovoidites parvus Ovoidites parvus Nakoman 1966
Hepaticae
-	Zlivisporis blanensis Zlivisporis blanensis Pacltova 1961 liverwort
Marchantiopsida
Sphaerocarpales -	Aequitriradites spp. Aequitriradites spp. Delcourt and Sprumont 1955
Lycopodiopsida
Selaginellales - Selaginellaceae	Neoraistrickia sp. Neoraistrickia sp. Potonié 1956 spikemoss
Lycopodiales -	Retitriletes sp. Retitriletes sp. Pierce 1961 clubmoss
Transitoripollis
-	"Transitoripollis sp." = Tucanopollis "Transitoripollis sp." = Tucanopollis Regali 1989
Tucanopollis
-	Tucanopollis annulatus Tucanopollis annulatus Schrank and Mahmoud 2002
Chomotriletes
-	Chomotriletes sp., Chomotriletes minor Chomotriletes sp. Naumova 1953 Chomotriletes minor Pocock 1970