Filon Douze Tafilalt, KMO-IV (Devonian of Morocco)

Where: Morocco (30.9° N, 4.1° W: paleocoordinates 53.7° S, 27.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Zlichovian (409.1 - 391.9 Ma)

Environment/lithology: offshore shelf; poorly lithified, gray claystone and lithified, nodular wackestone

• 2.5m thick succession of claystones with intercalated nodular bioclastic limestone beds that contain a rich fauna of rugose corals and trilobites

Size class: macrofossils

Preservation: recrystallized, original aragonite, replaced with calcite

Collected by Kröger in 2007; reposited in the MfN

Collection methods: surface (in situ), mechanical,

Primary reference: B. Kröger. 2008. Nautiloids before and during the ammonoid origin in a Siluro–Devonian section of the Tafilalt (Morocco). Special Papers in Palaeontology 79:1-110 [B. Kröger/B. Kröger]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 91748: authorized by Björn Kröger, entered by Björn Kröger on 19.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Orthocerida - Orthoceratidae
 Orthocerida - Lamellorthoceratidae
Arthrophyllum vermiculare Termier and Termier 1950
 Orthocerida - Geisonoceratidae
Temperoceras migrans Barrande 1868
 Nautilida - Centroceratidae
Centroceras sp. Hyatt 1884 nautiloid
 Pseudorthocerida - Pseudorthoceratidae