F1, Tazemmourt Section, lower Amouslek bioherms (Cambrian of Morocco)

Also known as Reef 2169

Where: Morocco (30.4° N, 8.8° W: paleocoordinates 63.5° S, 113.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Eofallotaspis trilobite zone, Amouslek Formation, Atdabanian (521.0 - 516.0 Ma)

• Beds 10, 12 and 13 of Debrenne 1978. Eofallotaspis zone is basal Issendalenian, which is basal Atdabanian (PJW3).

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• archaeocyath-microbial bioherms and biostromes intercalated in thick beds of green or purple shales

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: G. Geyer, E. Landing, and W. Heldmaier. 1995. Faunas and depositional environments of the Cambrian of the Moroccan Atlas regions. Beringeria, Special Issue 2:47-119 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80900: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.05.2008, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Archaeocyatha
 Archaeocyathida - Copleicyathidae
Agastrocyathus chouberti1
Agastrocyathus chouberti1 archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Protopharetra stipata1, Protopharetra gemmata1
Protopharetra stipata1 archaeocyath sponge
Protopharetra gemmata1 archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Neoloculicyathus abadiei1
Neoloculicyathus abadiei1 archaeocyath sponge
 Ajacicyathida - Asterocyathidae
Retecoscinus minutus1, Erismacoscinus marocanus1
Retecoscinus minutus1 archaeocyath sponge
Erismacoscinus marocanus1 archaeocyath sponge
 Ajacicyathida - Agyrekocyathidae
"Mennericyathus echinus" = Agyrekocyathus1
"Mennericyathus echinus" = Agyrekocyathus1 archaeocyath sponge
 Ajacicyathida - Tumulocoscinidae
Tumulocoscinus equiporus1
Tumulocoscinus equiporus1 archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus crassus1
Nochoroicyathus crassus1 archaeocyath sponge
Obolellata
 Obolellida - Obolellidae
Brevipelta chouberti2
Trilobita
 Redlichiida - Ellipsocephalidae
? Pruvostinoides sp.3
? Pruvostinoides sp.3 Hupe 1952 trilobite
 Redlichiida - Bigotinidae
Bigotinops dangeardi n. sp.3
Bigotinops dangeardi n. sp.3 Hupe 1953 trilobite
 Redlichiida - Redlichiidae
"Pararedlichia pulchella n. sp." = Eoredlichia3, "Pararedlichia rochi n. sp." = Eoredlichia3, "Pararedlichia transversa n. sp." = Eoredlichia3
"Pararedlichia pulchella n. sp." = Eoredlichia3 trilobite
"Pararedlichia rochi n. sp." = Eoredlichia3 trilobite
"Pararedlichia transversa n. sp." = Eoredlichia3 trilobite
 Redlichiida - Fallotaspididae
Fallotaspis planospinosa n. sp.3, Fallotaspis tazemmourtensis n. sp.3
Fallotaspis planospinosa n. sp.3 Hupé 1953 trilobite
Fallotaspis tazemmourtensis n. sp.3 Hupé 1953 trilobite
1Debrenne and Debrenne 1995; 2Geyer 1994; 3Hupé 1953