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Lower Fezouata, Drâa-Tafilalet Region, Morocco

Formation	Lower Fezouata
Age:	485 - 478 Ma Paleozoic
Interval	Tremadoc
Lithology	limestone/"shale", siltstone/"limestone", "shale"
Number of Collections	5
Number of Occurrences	50

Recorded Sample Locations

Location	Region	Stratigraphic Name
Destombes Loc. 2082. Puente de Tansikht	Drâa-Tafilalet Region, Morocco	Lower Fezouata
Zagora	Drâa-Tafilalet Region, Morocco	Lower Fezouata
Bou Zorgan	Drâa-Tafilalet Region, Morocco	Lower Fezouata
Bou Glf	Drâa-Tafilalet Region, Morocco	Lower Fezouata
Tamagroute	Drâa-Tafilalet Region, Morocco	Lower Fezouata

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Fezouata - Upper	478 - 467 Ma Ordovician	siltstone/"limestone", siltstone	8

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Rhopalocystis sp. genus	6	Rhopalocystidae : *Rhopalocystis*	485.4 - 477.7 Ma Paleozoic
Orometopus sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Alsataspididae : *Orometopus*	485.4 - 477.7 Ma Paleozoic
Asaphellus homfrayi species	7	Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : Asaphellus : *Asaphellus homfrayi*	485.4 - 477.7 Ma Paleozoic
Asaphellus jujuanus species	7	Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : Asaphellus : *Asaphellus jujuanus*	485.4 - 477.7 Ma Paleozoic
Dikelokephalina sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Dikelokephalinidae : *Dikelokephalina*	485.4 - 477.7 Ma Paleozoic
Platypeltoides sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Nileidae : *Platypeltoides*	485.4 - 477.7 Ma Paleozoic
Symphysurus sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Nileidae : *Symphysurus*	485.4 - 477.7 Ma Paleozoic
Ampyx sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Raphiophoridae : *Ampyx*	485.4 - 477.7 Ma Paleozoic
Apatokephalus sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Remopleurididae : *Apatokephalus*	485.4 - 477.7 Ma Paleozoic
Agerina sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Leiostegiidae : *Agerina*	485.4 - 477.7 Ma Paleozoic
Harpides sp. genus	6	Animalia : Arthropoda : Trilobita : Harpetida : Harpididae : *Harpides*	485.4 - 477.7 Ma Paleozoic
Selenopeltis sp. genus	6	Animalia : Arthropoda : Trilobita : Lichida : Odontopleuridae : *Selenopeltis*	485.4 - 477.7 Ma Paleozoic
Euloma sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Euloma*	485.4 - 477.7 Ma Paleozoic
Beltella sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Olenidae : *Beltella*	485.4 - 477.7 Ma Paleozoic
Parabathycheilus sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : *Parabathycheilus*	485.4 - 477.7 Ma Paleozoic
Bavarilla sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Bathycheilidae : *Bavarilla*	485.4 - 477.7 Ma Paleozoic
Prionocheilus sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Calymenidae : *Prionocheilus*	485.4 - 477.7 Ma Paleozoic
Toletanaspis sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Dalmanitidae : *Toletanaspis*	485.4 - 477.7 Ma Paleozoic
Colpocoryphe sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Homalonotidae : *Colpocoryphe*	485.4 - 477.7 Ma Paleozoic
Pharostomina sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Pharostomatidae : *Pharostomina*	485.4 - 477.7 Ma Paleozoic
Parapilekia sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Pilekiidae : *Parapilekia*	485.4 - 477.7 Ma Paleozoic
Ranorthis sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Ranorthidae : *Ranorthis*	485.4 - 477.7 Ma Paleozoic
Aristocystites sp. genus	6	Animalia : Echinodermata : Diploporita : Aristocystitidae : *Aristocystites*	485.4 - 477.7 Ma Paleozoic
Balantiocystis sp. genus	6	Animalia : Echinodermata : Eocrinoidea : *Balantiocystis*	485.4 - 477.7 Ma Paleozoic
Macrocystella bohemicus species	7	Animalia : Echinodermata : Rhombifera : Macrocystellidae : Macrocystella : *Macrocystella bohemicus*	485.4 - 477.7 Ma Paleozoic
Plasiacystis mobilis species	7	Animalia : Echinodermata : Soluta : Syringocrinida : Plasiacystidae : Plasiacystis : *Plasiacystis mobilis*	485.4 - 477.7 Ma Paleozoic
Galliaecystis sp. genus	6	Animalia : Echinodermata : Stylophora : Cornuta : *Galliaecystis*	485.4 - 477.7 Ma Paleozoic
Anatifopsis sp. genus	6	Animalia : Echinodermata : Stylophora : Mitrata : Kirkocystidae : *Anatifopsis*	485.4 - 477.7 Ma Paleozoic
Dictyonema sp. genus	6	Animalia : Hemichordata : Pterobranchia : Dendrograptidae : *Dictyonema*	485.4 - 477.7 Ma Paleozoic
Bryograptus sp. genus	6	Animalia : Hemichordata : Graptolithina : Dendroidea : *Bryograptus*	485.4 - 477.7 Ma Paleozoic
Baltograptus geometricus species	7	Animalia : Hemichordata : Graptolithina : Didymograptidae : Baltograptus : *Baltograptus geometricus*	485.4 - 477.7 Ma Paleozoic
Baltograptus vacillans species	7	Animalia : Hemichordata : Graptolithina : Didymograptidae : Baltograptus : *Baltograptus vacillans*	485.4 - 477.7 Ma Paleozoic
Rhabdinopora sp. genus	6	Animalia : Hemichordata : Graptolithina : *Rhabdinopora*	485.4 - 477.7 Ma Paleozoic
Redonia sp. genus	6	Animalia : Mollusca : Bivalvia : Hippuritida : Redoniidae : *Redonia*	485.4 - 477.7 Ma Paleozoic
Babinka sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Babinkidae : *Babinka*	485.4 - 477.7 Ma Paleozoic
Coxiconchia sp. genus	6	Animalia : Mollusca : Bivalvia : *Coxiconchia*	485.4 - 477.7 Ma Paleozoic
Polymeres sp. genus	6	Animalia : Mollusca : Cephalopoda : Polymeridae : *Polymeres*	485.4 - 477.7 Ma Paleozoic
Thoralispira sp. genus	6	Animalia : Mollusca : Gastropoda : *Thoralispira*	485.4 - 477.7 Ma Paleozoic
Lesueurilla sp. genus	6	Animalia : Mollusca : Gastropoda : Lesueurillidae : *Lesueurilla*	485.4 - 477.7 Ma Paleozoic
Calvapilosa kroegeri species	7	Animalia : Mollusca : Siphogonuchitidae : Calvapilosa : *Calvapilosa kroegeri*	485.4 - 477.7 Ma Paleozoic
Pelecyogyra fezouataensis species	7	Animalia : Mollusca : Paragastropoda : Mimospirida : Onychochilidae : Pelecyogyra : *Pelecyogyra fezouataensis*	485.4 - 477.7 Ma Paleozoic
Ribeiria sp. genus	6	Animalia : Mollusca : Rostroconchia : Ribeirioida : Technophoridae : *Ribeiria*	485.4 - 477.7 Ma Paleozoic
Carcassonnella sp. genus	6	Animalia : Mollusca : Tergomya : Cyrtonellida : Carcassonnellidae : *Carcassonnella*	485.4 - 477.7 Ma Paleozoic

References

Rabano I (1990) Trilobites del Museo Geominero; I, Platypeltoides magrebiensis n. sp., Asaphina, Nileidae, del Ordovicico inferior del Anti-Atlas central, Marruecos, Boletin Geologico y Minero 101 1, 21-27

Kröger B., Lefebvre B. (2012) Palaeogeography and palaeoecology of early Floian (Early Ordovician) cephalopods from the Upper Fezouata Formation, Anti-Atlas, Morocco, Fossil Record 15 2, 61-75

Ebbestad J. O. R., Lefebvre B. (2015) An unusual onychochilid mollusc from the Ordovician (Tremadocian) Fezouata Formation, Morocco, Geobios 48 6, 427-438 doi:10.1016/j.geobios.2015.09.004

Lefebvre B., Allaire N., et al (2016) Palaeoecological aspects of the diversification of echinoderms in the Lower Ordovician of central Anti-Atlas, Morocco, Palaeogeography, Palaeoclimatology, Palaeoecology 460, 97-121 doi:10.1016/j.palaeo.2016.02.039

Vinther J., Parry L., et al (2017) Ancestral morphology of crown-group molluscs revealed by a new Ordovician stem aculiferan, Nature doi:10.1038/nature21055

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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