Hamar Laghdad, Antiatlas, Kess-Kess Formation, Mud mounds (Devonian of Morocco)

Also known as Reef 1565

Where: Morocco (31.4° N, 4.1° W: paleocoordinates 52.5° S, 27.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kess-Kess Formation, Emsian (407.6 - 393.3 Ma)

• The formation of the mounds started within the uppermost part of the bedded crinoid limestones.

• group of beds-level stratigraphic resolution

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

• mud mounds, deep-water environment
• bioclastic wackestones, floatstones, packstones, mudstones and "eventstones"

Size class: macrofossils

Collection methods: peel or thin section,

• Tabulate and rugose corals, brachiopods, gastropods (rare), pelecypodes (rare), trilobites (frequent) and crinoids (frequent) reported to be present. Calcareous algae, stromatoporoids and bryozoans are completely missing.

Primary reference: T. C. Brachert, W. Buggisch, E. Flügel, H. M. Hüssner, M. M. Joachimski, F. Tourneur, and O. H. Walliser. 1992. Controls of mud mound formation: the Early Devonian Kess-Kess carbonates of the Hamar Laghdad, Antiatlas, Morocco. Geologische Rundschau 81(1):15-44 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 63041: authorized by Wolfgang Kiessling, entered by Uta Merkel on 03.08.2006, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Anthozoa
 Rugosa - Protozaphrentidae
Hamarophyllum belkai n. gen. n. sp.1
Hamarophyllum belkai n. gen. n. sp.1 Berkowski 2004 horn coral
 Stauriida - Plerophyllidae
Wendticyathus nudus n. gen. n. sp.2
Wendticyathus nudus n. gen. n. sp.2 Berkowski 2018 horn coral
 Favositida - Parastriatoporidae
 Favositida - Pachyporidae
? Zemmourella sp. Tourneur 1987 tabulate coral
Dualipora preciosa Termier and Termier 1980 tabulate coral
Pachystriatopora obliqua tabulate coral
 Favositida - Favositidae
Favosites bohemicus tabulate coral
subspecies grandis
Crenulipora difformis Le Maître 1956 tabulate coral
Hamarilopora minima tabulate coral
Hamarilopora virgula tabulate coral
 Auloporida -
Schlueterichonus sp. Fernández et al. 2006 tabulate coral
 Auloporida - Pyrgiidae
Cladochonus sp. M'Coy 1847 tabulate coral
 Auloporida - Aulocystidae
Aulocystis sp. Schlüter 1885 tabulate coral