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.

Sachitida - Orthrozanclidae	Oikozetetes seilacheri Oikozetetes seilacheri Conway Morris 1995
Helcionelloida
-	Helcionelloida indet. Helcionelloida indet. Peel 1991
Hyolitha
-	Hyolitha indet. Hyolitha indet. Marek 1963
Orthothecida - Novitatidae	Contitheca sp. Contitheca sp. Syssoiev 1972
Hyolithida - Parentilitidae	Oboedalites sp. Oboedalites sp.
Hyolithida - Slapylitidae	Slapylites sp. Slapylites sp. Marek 1980
Articulata
-	Articulata indet. Articulata indet.
Inarticulata
-	Inarticulata indet. Inarticulata indet.
Trilobita
Corynexochida - Chengkouiidae	Acanthomicmacca neltneri, Acanthomicmacca "n. sp." Acanthomicmacca neltneri trilobite 250 cranidia, librigenae and thoracic tergites, 120 unidentified fragments Acanthomicmacca "n. sp." Hupé 1953 trilobite new species has yet to be named
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
Artiopoda
Agnostida - Weymouthiidae	"Cephalopyge notabilis" = Morocconus notabilis, Pseudocobboldia pulchra, Cobboldites tichkaensis "Cephalopyge notabilis" = Morocconus notabilis Geyer 1988 Pseudocobboldia pulchra Hupe 1953 8 cephala, mostly incomplete, 3 partial pygidia Cobboldites tichkaensis
unclassified
-	Echinodermata indet., "Metazoa indet." = Animalia, "Metazoa sp." = Animalia Echinodermata indet. Klein 1754 "Metazoa indet." = Animalia Linnaeus 1758 Oboedalites sp. "Metazoa sp." = Animalia Linnaeus 1758 Slapylites sp.
Coeloscleritophora
Chancelloriida - Chancelloriidae	Chancelloria maroccana Chancelloria maroccana

Hyolithelminthida - Hyolithellidae	Hyolithellus sp. Hyolithellus sp. Billings 1872