PBDB Collection

Tizi n'Tichka fossil horizon Jbel Wawrmast (Cambrian of Morocco)

Also known as Brehe a Micmacca Mb., Jbel Wawrmast Fm., Morocco - Geyer et. al 1995

Where: Morocco (32.0° N, 6.0° W: paleocoordinates 32.0° N, 6.0° W)

• outcrop-level geographic resolution

When: Cephalopyge notabilis" trilobite zone, Brèche à Micmacca Member (Jbel Wawrmast Formation), Toyonian (512.9 - 510.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, shelly/skeletal packstone and wackestone

• limestone layer: fossil hash packstones and wackestones composed of disarticulated trilobites and brachiopod shells with large calcite crystals.

Size class: macrofossils

Collection methods: Collected by K. Sdzuy, J. P. Schaer, and supplemented by J. Destombes from same locality.

Primary reference: G. Geyer and J. M. Malinky. 1997. Middle Cambrian fossils from Tizi n`Tichka, the High Atlas, Morocco. Part 1. Introduction and trilobites. Journal of Paleontology 71(4):620-637 [M. Patzkowsky/P. Borkow/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9123: authorized by Mark Patzkowsky, entered by Phil Borkow on 24.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Taxonomic list includes the general phylum name for unrecognizable "Small Shelly Fossils" but does not include taxonomy for one unknown pygidium.

Show authors, comments, and common names

unclassified
-	Pelagielloida indet., Chancelooria sp., Trilobita indet., Conitheca sp. Pelagielloida indet. Chancelooria sp. Trilobita indet. Oreisator tichkaensis Conitheca sp.

Hyolithelminthida - Hyolithellidae	Hyolithellus sp. Hyolithellus sp. Billings 1872
unclassified
-	"Metazoa indet." = Animalia, "Metazoa sp." = Animalia "Metazoa indet." = Animalia Linnaeus 1758 Oboedalites sp. "Metazoa sp." = Animalia Linnaeus 1758 Slapylites sp.
Coeloscleritophora
Chancelloriida - Chancelloriidae	Chancelloria maroccana Chancelloria maroccana
unclassified
-	Echinodermata indet. Echinodermata indet. Klein 1754

Sachitida - Orthrozanclidae	Oikozetetes seilacheri Oikozetetes seilacheri Conway Morris 1995
Helcionelloida
-	Helcionelloida indet. Helcionelloida indet. Peel 1991
Hyolitha
-	Hyolitha indet. Hyolitha indet. Marek 1963
Hyolithida - Parentilitidae	Oboedalites sp. Oboedalites sp.
Hyolithida - Slapylitidae	Slapylites sp. Slapylites sp. Marek 1980
Orthothecida - Novitatidae	Contitheca sp. Contitheca sp. Syssoiev 1972
Articulata
-	Articulata indet. Articulata indet.
Inarticulata
-	Inarticulata indet. Inarticulata indet.
Artiopoda
Agnostida - Weymouthiidae	"Cephalopyge notabilis" = Morocconus notabilis, Cobboldites tichkaensis, Pseudocobboldia pulchra "Cephalopyge notabilis" = Morocconus notabilis Geyer 1988 Cobboldites tichkaensis Pseudocobboldia pulchra Hupe 1953 8 cephala, mostly incomplete, 3 partial pygidia
Trilobita
Corynexochida - Chengkouiidae	Acanthomicmacca "n. sp.", "Acanthomicmacca neltneri" = Acanthomicmacca (Acanthomicmacca) neltneri Acanthomicmacca "n. sp." Hupé 1953 trilobite new species has yet to be named "Acanthomicmacca neltneri" = Acanthomicmacca (Acanthomicmacca) neltneri Geyer 2016 trilobite 250 cranidia, librigenae and thoracic tergites, 120 unidentified fragments
Ptychopariida - Solenopleuridae	Oreisator tichkaensis n. gen. n. sp., Parasolenopleura sp. Oreisator tichkaensis n. gen. n. sp. Geyer and Malinky 1997 trilobite 53 cranidia, 4 librigenae, 11 pygidia, and some thoracic tergites Parasolenopleura sp. Westergard 1953 trilobite 4 cranidial fragments and 2 partial pygidia
Redlichiida - Ellipsocephalidae	Protolenus densigranulatus Protolenus densigranulatus Geyer 1990 trilobite 13 incomplete cranidia and additional sclerites