"Ceratarges" horizon, Jbel Zireg (Devonian of Morocco)

Where: Morocco (30.6° N, 4.5° W: paleocoordinates 48.2° S, 19.5° E)

• outcrop-level geographic resolution

When: El Otfal Formation, Eifelian (393.3 - 387.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, brown limestone

• 18-30 cm thick limestone bank comprised of bluish, dark grey lower part and grey to ochreous-brown upper part (fossils from upper part)

Size class: macrofossils

Collected by H. Presher in 2008-2009

• Collection in Natuurhistorisch Museum Maastrict (The Netherlands)

Primary reference: A. P. Van Viersen and H. Presher. 2011. New species of the lichid trilobite Ceratarges from the Middle Devonian in Morocco. Geologica Belgica 14(3/4):193-202 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188452: authorized by Melanie Hopkins, entered by Melanie Hopkins on 01.09.2017, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Otarionidae
"Otarionella lkomalii n. sp." = Otarion2
"Otarionella lkomalii n. sp." = Otarion2 trilobite
 Proetida - Proetidae
Gerastos lisanrasus n. sp.1
Gerastos lisanrasus n. sp.1 Gibb and Chatterton 2010 trilobite
 Lichida - Lichidae
Ceratarges koumalii, Ceratarges aries, Ceratarges ziregensis
Ceratarges koumalii Van Viersen and Presher 2011 trilobite
% of Ceratarges
Ceratarges aries Van Viersen and Presher 2011 trilobite
% of Ceratarges
Ceratarges ziregensis Van Viersen and Presher 2011 trilobite
% of Ceratarges
1Gibb and Chatterton 2010; 2Lerosey-Aubril et al. 2008