Anti-Atlas Mountains (Ordovician of Morocco)

Also known as Ktaoua Grp, Unknown Mbr, Ktaoua Fm., Anti-Atlas Mountains, Morocco

Where: Morocco (30.0° N, 8.5° W: paleocoordinates 84.4° S, 70.7° E)

When: Lower Ktaoua Formation (Ktaoua Group), Berounian (460.9 - 449.5 Ma)

• Unknown or unnamed member of this formation, although possibly just a local section

• member-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

• sandstone

Size class: macrofossils

Primary reference: J. Destombes. 1971. L'ordovicien au Maroc; essai de synthese stratigraphique. Mémoires du Bureau de Recherches Géologiques et Minières 73:237-263 [A. Miller/P. Novack-Gottshall/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 21001: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 14.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Trinucleida - Trinucleidae
Cryptolithus sp. Green 1832 trilobite
 Phacopida - Dalmanitidae
Eudolatites sp. Delo 1935 trilobite
 Phacopida - Acastidae
Kloucekia sp. Delo 1935 trilobite
 Phacopida - Cheiruridae
Actinopeltis sp. Hawle and Corda 1847 trilobite
 Phacopida - Homalonotidae
Calymenella sp. Bergeron 1890 trilobite
 Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936 trilobite
Prionocheilus sp. Rouault 1847 trilobite
Strophomenata
 Strophomenida - Aegiromenidae
Aegiromena sp. Havlícek 1961
 Strophomenida - Rafinesquinidae
Kiaeromena sp. Spjeldnaes 1957
 Orthotetida - Triplesiidae
Cliftonia sp. Foerste 1909
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
 Orthida - Draboviidae
Drabovia sp. Havlicek 1950
 Orthida - Dalmanellidae
Howellites sp. Bancroft 1945
 Orthida - Heterorthidae
 Sphaeronitida - Aristocystitidae
 Rhombifera - Echinosphaeritidae
Echinosphaerites sp. Wahlenberg 1818
Diploporita
  -
Edrioasteroidea
  - Hemicystitidae
Hemicystites sp. Hall 1852