Horizon HNN 2b, Jbel Aouriz, Jbel Wawrmast Form., Morocco - Geyer and Mergl 1997 (Cambrian of Morocco)

Where: Morocco (29.8° N, 8.0° W: paleocoordinates 67.3° S, 113.5° E)

• outcrop-level geographic resolution

When: Cephalopyge notabilis notabilis zone, Breche a Micmacca Member (Jbel Wawrmast Formation), Solvan (510.2 - 504.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; lithified, calcareous siltstone

• Lumachellic calcareous siltstones.

Preservation: replaced with calcite, replaced with phosphate

Collection methods: Only includes brachiopods for genus/species descriptions. Brachiopod remains are normally chloritized.

Primary reference: G. Geyer and M. Mergl. 1997. Protorthacean brachiopods from the Middle Cambrian of Morocco. Journal of Paleontology 71(5):791-812 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9794: authorized by Mark Patzkowsky, entered by Phil Borkow on 19.01.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

 Obolellida - Trematobolidae
Trematobolus sp. Matthew 1893
 Protorthida - Protorthidae
Saesorthis simplicissima Mergl 1983
25 valves