Trilobites of the Fezouata Formation
Presentation of the upper Fezouata.
The deposit is located at the north-east of the Draa Valley, in the plain of Ternata
Age : Formation of the Upper Fezouata of the Lower Ordovician -Floian- (Arenig)
Parvilichas marochii (Corbacho & Vela, 2013) + Kierarges morrisoni (Corbacho, 2014)
Order: Corynexochida (Kobayashi, 1935)
Family: Nilfeidae (Angelin, 1854)
Genus: Parabarrandia (Prantl & Pribyl, 1948)
Species: Parabarrandia aff Crassa
Order: Corynexochida (Kobayashi, 1935)
Family: Nilfeidae (Angelin, 1854)
Genus: Parabarrandia (Prantl & Pribyl, 1948)
Species: Parabarrandia aff Crassa

Parvilichas marochii (Corbacho & Vela, 2013) + Asaphellus fezouataensis(Vidal, 1998)
Family: Lichidae
Genus: Parvilichas
Species: Parvilichas marochii



Family: Asaphidae
Genus: Asaphellus
Species: Asaphellus fezouataensis



Apatokephalus cf. incisus (Dean, 1966)
Family: Remopleuridae
Genus: Apatokephalus
Species: Apatokephalus incisus




Apatokephalus cf. incisus (Dean, 1966) + Agerina quadrata (Dean, 1966)
Family: Remopleuridae
Genus: Apatokephalus
Species: Apatokephalus incisus



Family: Leiostegiidae
Genus: Agerina
Species: Agerina quadrata



Apatokephalus cf. incisus + Euloma filacovi (Bergeron, 1888)
Family: Remopleuridae
Genus: Apatokephalus
Species: Apatokephalus incisus



Family: Eulomidae
Genus: Euloma
Species: Euloma filacovi



Foulonia peregrina (Dean, 1966)
Family: Cheiruridae
Genus: Foulonia
Species: Foulonia peregrina




Plaque de Foulonia peregrina + Toletanaspis sp. aff. borni (Dean, 1966)
Family: Cheiruridae
Genus: Foulonia
Species: Foulonia peregrina
Family: Dalmanitidae
Genus: Toletanaspis
Species: Toletanaspis borni

Group of Foulonia presenting the same organization in single file as the Ampyx. + Dalmanites




Harpides sp + Asaphellus fezouataensis (Vidal, 1998)
Family: Harpididae
Genus: Harpides

Order: Corynexochida (Kobayashi, 1935)
Family: Nilfeidae (Angelin, 1854)
Genus: Parabarrandia (Prantl & Pribyl, 1948)
Species: Parabarrandia aff Crassa



Family: Asaphidae
Genus: Asaphellus
Species: Asaphellus fezouataensis




Harpides Sp
Family: Harpididae
Genus: Harpides




Asaphellus Sp with Antennas
Family: Asaphidae
Genus: Asaphellus





Sometimes the trilobites of the Fezouata have kept their antennas
Asaphellus Sp
Family: Asaphidae
Genus: Asaphellus


Traces of the graptolite Araneograptus murrayi (probably from the Upper Tremadoc )


Bavarilla zemmourensis (Destombes, 1969)
Family: Phacopidae
Genus: Bavarilla
Species: Bavarilla zemmourensis
This trilobite has retained its antennas.




Bavarilla zemmourensis (Destombes, 1969)

Family: Phacopidae
Genus: Bavarilla
Species: Bavarilla zemmourensis

Specimen showing paws and antennas
Bavarilla zemmourensis (Destombes, 1969)
Family: Phacopidae
Genus: Bavarilla
Species: Bavarilla zemmourensis




Specimen showing the digestive system
Selenopeltis binodosa (Dean, 1966)
Family: Odontopleuridae
Genus: Selenopeltis
Species: Selenopeltis binodosa






Parabathycheilus gallicus (Dean,1965)
Family: Bathycheilidae
Genus: Parabathycheilus
Species: Parabathycheilus gallicus






Euloma filacovi (Bergeron, 1888)
Family: Eulomidae
Genus: Euloma
Species: Euloma filacovi




Plate of Agerina quadrata (Dean, 1966)
Family: Leiostegiidae
Genus: Agerina
Species: Agerina quadrata

Colpocoryphe pradesensis (Courtessole, pillet & Vizcaino, 1983)
Family: Calymenidae
Genus: Colpocoryphe
Species: Colpocoryphe pradesensis






Symphysurus palpebrosus (Dalman)
Family: Nilfeidae
Genus: Symphysurus
Species: Symphysurus palpebrosus






Symphysurus palpebrosus (Dalman)

Family: Nilfeidae
Genus: Symphysurus
Species: Symphysurus palpebrosus

Specimen showing antennas




Ampyx priscus
Family: Raphiophoridae
Genus: Ampyx
Species: Ampyx Priscus




Ampyx priscus + Foulonia + Asaphellus
Family: Raphiophoridae
Genus: Ampyx
Species: Ampyx Priscus
Family: Cheiruridae
Genus: Foulonia
Species: Foulonia peregrina
Family: Asaphidae
Genus: Asaphellus



Lehua corbachoi (Vela, 2007)
Family: Cheruridae
Genus: Lehua
Species: Lehua corbachoi


Megistaspis (Eukaraspis ?) Sp
Family: Asaphidae
Genus: Megistaspis






Megistaspis (Eukaraspis?) Sp
(Second Species)
