Z-F24, southern Ternata Plain, near Zagora (Ordovician of Morocco)

Where: Morocco (30.5° N, 5.7° W: paleocoordinates 76.8° S, 105.3° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Cymatograptus? protobalticus graptolite zone, Fezouata Formation, Floian (477.7 - 470.0 Ma)

• "Cymatograptus? protobalticus Zone, early Floian"

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, micaceous, yellow siltstone

• "indicative of storm-generated accumulations generated in relatively proximal settings."
• "beige micaceous siltstones"

Size class: macrofossils

Preservation: mold/impression, adpression

Primary reference: C. Dupichaud, B. Lefebvre, C.H. Milne, R. Mooi, M. Nohejlova, R. Poch, F. Saleh and S. Zamora. 2023. Solutan echinoderms from the Fezouata Shale Lagerstätte (Lower Ordovician, Morocco): diversity, exceptional preservation, and palaeoecological implications. Frontiers in Ecology and Evolution 11 [J. Carrillo/K. Pino/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 235490: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 12.07.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

• The sponges are associated with diverse shelly and graptolitic faunas, of which the most common elements are trilobites, graptolites, hyolithids, echinoderms and brachiopods.
Stylophora
 Mitrata - Kirkocystidae
Anatifopsis sp. Barrande 1872
Soluta
 Syringocrinida - Minervaecystidae
Plasiacystis sp. Prokop and Petr 2004
Eocrinoidea
  -
Eocrinoidea indet. Jaekel 1918
Crinoidea
 Myelodactylida - Iocrinidae
Iocrinus sp. Hall 1866 Sea lily
Edrioasteroidea
  - Pyrgocystidae
Argodiscus sp. Prokop 1965
Hyolitha
 Hyolithida -
Hyolithida indet. Mathew 1962
Tergomya
 Cyrtonellida - Carcassonnellidae
Carcassonnella sp. Horný and Peel 1996
Bivalvia
 Modiomorphida - Modiomorphidae
Redonia sp. Rouault 1851 clam
"rare"
 Afghanodesmatida - Tironuculidae
Ekaterodonta sp. Babin 1982 clam
"rare"
Cephalopoda
 Multiceratoidea - Apocrinoceratidae
Destombesiceras sp. Kröger and Lefebvre 2012
"phragmocones"
 Ellesmerocerida - Rioceratidae
? Rioceras sp. Flower 1964
"phragmocones"
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
"large" "cephalons and pygidia"