Llanvirn section, Tachilla Fm., Anti-Atlas Mountains, Morocco: Oretanian, Morocco

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Climacograptidae
Pseudoclimacograptus sp.
Pterobranchia - Graptoloidea - Dichograptidae
Didymograptus sp. McCoy 1851
Aristocystitidae
Calix sp. Rouault 1878
Trilobita - Asaphida - Asaphidae
Ogygiocaris sp. Angelin 1854
Trilobita - Corynexochida - Illaenidae
Ectillaenus sp. Salter 1867
Trilobita - Phacopida - Dalmanitidae
Zeliszkella sp. Delo 1935
Trilobita - Phacopida - Calymenidae
Neseuretus sp. Hicks 1873
Trilobita - Phacopida - Bathycheilidae
Bathycheilus sp. Holub 1908
Trilobita - Phacopida - Homalonotidae
Colpocoryphe sp. Novak and Perner 1918
Eohomalonotus sp. Reed 1918
Trilobita - Odontopleurida - Odontopleuridae
Selenopeltis sp. Hawle and Corda 1847
see common names

Geography
Country:Morocco County:Taroudannt
Coordinates: 30.0° North, 8.5° West (view map)
Paleocoordinates:82.5° South, 88.5° East
Time
Period:Ordovician Epoch:Middle Ordovician
10 m.y. bin:Ordovician 2-3
*Period:Middle Ordovician *Epoch:Late/Upper Llanvirn
*International age/stage:Late/Upper Llanvirn *Local age/stage:Oretanian
Key time interval:Oretanian
Age range of interval:468.00000 - 459.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Tachilla
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:micaceous lithified sandy "shale"
Lithology description: Sandy, micaceous, light shale
Environment:offshore
Taphonomy
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:all microfossils,some macrofossils,species names
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:Primarily bivalve and rostroconch taxonomy and biostrat., with others listed
Metadata
Database number:20986
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Modifier:C. Ferguson Research group:marine invertebrate
Created:2002-06-13 13:04:04 Last modified:2004-07-07 20:27:24
Access level:the public Released:2002-06-13 13:04:04
Creative Commons license:CC BY
Reference information

Primary reference:

6376. C. Babin and J. Destombes. 1990. Les mollusques bivalves et rostroconches Ordoviciens de l’Anti-Atlas marocain: Intérêt paléogéographique de leur inventaire. Géologie Méditerranéenne 17:243-261 [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall]