JM3 (Cretaceous of Morocco)

Where: Western High Atlas, Morocco (31.2° N, 7.9° W: paleocoordinates 24.7° N, 2.4° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Talmest Formation, Hauterivian (132.9 - 129.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: silty limestone and claystone

• generally a sandy limestone, to the east are red and green clays and sandy or conglomeratic sediments that form tabular beds with horizontal stratification or cross-bedded lenses

Primary reference: J. Rey, J. Canerot, B. Peybernes, K. Tal-Eddine, and J.-P. Thieuloy. 1988. Lithostratigraphy, biostratigraphy and sedimentary dynamics of the Lower Cretaceous deposits on the northern side of the western High Atlas (Morocco). Cretaceous Research 9(2):141-158 [M. Patzkowsky/K. Layou/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2066: authorized by Mark Patzkowsky, entered by Karen Layou on 21.06.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Loftusiacea - Cyclamminidae
Choffatella decipiens Schlumberger 1905
Bivalvia
 Ostreida - Gryphaeidae
"Aetostreon couloni" = Exogyra (Aetostreon)
"Aetostreon couloni" = Exogyra (Aetostreon) oyster
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
originally entered as "Bryozoa sp."
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
originally entered as "Serpulids sp."