Destombes Loc. 0088. J bel Amouguer (E of Tazzarine) (Ordovician of Morocco)

Also known as Ktaoua Grp, d'Agadir-Tissint Mbr, Ktaoua Fm., Anti-Atlas Mountains, Morocco

Where: Morocco (31.0° N, 5.4° W: paleocoordinates 82.2° S, 86.4° E)

• coordinate estimated from map

• local area-level geographic resolution

When: d'Agadir-Tissint Member (Lower Ktaoua Formation), Berounian (460.9 - 449.5 Ma)

• Now known as Amouguer member.

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, gray shale

• Pale, gray shale

Size classes: macrofossils, microfossils

Primary reference: C. Babin and J. Destombes. 1990. Les mollusques bivalves et rostroconches Ordoviciens de l’Anti-Atlas marocain: Intérêt paléogéographique de leur inventaire. Géologie Méditerranéenne 17:243-261 [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20966: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 13.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Primarily mollusc taxonomy and biostrat., with others listed
Trilobita
 Corynexochida - Illaenidae
Illaenidae indet. Hawle and Corda 1847 trilobite
 Phacopida - Dalmanitidae
Strophomenata
 Strophomenida - Aegiromenidae
Aegiromena aquila Barrande 1848
Aegiromena aquila aquila
Gastropoda
 Euomphalina - Platyceratidae
"? Holopea antiquata" = Radvanospira antiquata
"? Holopea antiquata" = Radvanospira antiquata Perner 1903 snail
 Murchisoniina - Eotomariidae
Clathrospira amouguerana Horný 1997 snail
Tergomya
 Cyrtonellida - Cyrtolitidae
Rhombifera
 Caryocystitidacea - Echinosphaeritidae
Arachnocystites infaustus Barrande 1887
Arachnocystites infaustus infaustus
Deutocystites modestus Barrande 1887
 Caryocystitida - Caryocystitidae