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Hamar Laghdad Limestone, Errachidia Province, Drâa-Tafilalet Region, Morocco

FormationHamar Laghdad Limestone
Age:403 - 392 Ma
Devonian
IntervalPragian
Lithologylimestone/marl, "limestone"
Number of Collections2
Number of Occurrences59

Recorded Sample Locations

LocationRegionStratigraphic Name
Lower Hamar Laghdad LimestoneErrachidia Province, Drâa-Tafilalet Region, MoroccoHamar Laghdad Limestone
Lower Tafilalt LimestoneErrachidia Cercle, Errachidia Province, Drâa-Tafilalet Region, MoroccoHamar Laghdad Limestone

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Kem Kem99.6 - 89.3 Ma
Late/Upper Cretaceous		conglomerate/marl, sandstone, "limestone", "siliciclastic", sandstone/"siliciclastic", mudstone112
Kes-Kes393 - 388 Ma
Devonian		reef rocks6
Tafilalt Limestone403 - 392 Ma
Devonian		limestone27

Recorded Fossils

Accepted NameHierarchyAge
Otarion sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Aulacopleuridae : Otarion410.8 - 407.6 Ma
Early/Lower Devonian
Bojoscutellum sp.
genus		6Animalia : Arthropoda : Trilobita : Corynexochida : Scutelluidae : Bojoscutellum410.8 - 407.6 Ma
Early/Lower Devonian
Breviscutellum sp.
genus		6Animalia : Arthropoda : Trilobita : Corynexochida : Styginidae : Breviscutellum410.8 - 407.6 Ma
Early/Lower Devonian
Kolihapeltis sp.
genus		6Animalia : Arthropoda : Trilobita : Corynexochida : Styginidae : Kolihapeltis410.8 - 407.6 Ma
Early/Lower Devonian
Paralejurus sp.
genus		6Animalia : Arthropoda : Trilobita : Corynexochida : Tsinaniidae : Paralejurus410.8 - 407.6 Ma
Early/Lower Devonian
Platyscutellum sp.
genus		6Animalia : Arthropoda : Trilobita : Corynexochida : Scutelluidae : Platyscutellum410.8 - 407.6 Ma
Early/Lower Devonian
Scabriscutellum sp.
genus		6Animalia : Arthropoda : Trilobita : Corynexochida : Styginidae : Scabriscutellum402.5 - 391.9 Ma
Devonian
Harpes sp.
genus		6Animalia : Arthropoda : Trilobita : Harpetida : Harpetidae : Harpes410.8 - 407.6 Ma
Early/Lower Devonian
Acanthopyge sp.
genus		6Animalia : Arthropoda : Trilobita : Lichida : Lichidae : Acanthopyge410.8 - 407.6 Ma
Early/Lower Devonian
Isoprusia sp.
genus		6Animalia : Arthropoda : Trilobita : Odontopleurida : Isoprusia410.8 - 407.6 Ma
Early/Lower Devonian
Asteropyginae
subfamily		5.3Animalia : Arthropoda : Trilobita : Phacopida : Acastidae : Asteropyginae410.8 - 407.6 Ma
Early/Lower Devonian
Treveropyge sp.
genus		6Animalia : Arthropoda : Trilobita : Phacopida : Calmoniidae : Treveropyge410.8 - 407.6 Ma
Early/Lower Devonian
Gravicalymene sp.
genus		6Animalia : Arthropoda : Trilobita : Phacopida : Calymenidae : Gravicalymene410.8 - 407.6 Ma
Early/Lower Devonian
Cheirurus (Crotalocephalina) sp.
subgenus		6.3Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : Cheirurus : Cheirurus (Crotalocephalina)410.8 - 407.6 Ma
Early/Lower Devonian
Odontochile sp.
genus		6Animalia : Arthropoda : Trilobita : Phacopida : Diaphanometopidae : Odontochile410.8 - 407.6 Ma
Early/Lower Devonian
Trimerus sp.
genus		6Animalia : Arthropoda : Trilobita : Phacopida : Homalonotidae : Trimerus410.8 - 407.6 Ma
Early/Lower Devonian
Phacops sp.
genus		6Animalia : Arthropoda : Trilobita : Phacopida : Phacopidae : Phacops410.8 - 407.6 Ma
Early/Lower Devonian
Eremiproetus sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Proetidae : Eremiproetus410.8 - 407.6 Ma
Early/Lower Devonian
Proetus (Coniproetus) sp.
subgenus		6.3Animalia : Arthropoda : Trilobita : Proetida : Proetidae : Proetus : Proetus (Coniproetus)410.8 - 407.6 Ma
Early/Lower Devonian
Proetus (Proetus) sp.
subgenus		6.3Animalia : Arthropoda : Trilobita : Proetida : Proetidae : Proetus : Proetus (Proetus)410.8 - 407.6 Ma
Early/Lower Devonian
Unguliproetus sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Proetidae : Unguliproetus410.8 - 407.6 Ma
Early/Lower Devonian
Alberticoryphe sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Tropidocoryphidae : Alberticoryphe410.8 - 407.6 Ma
Early/Lower Devonian
Cornuproetus sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Proetidae : Cornuproetus410.8 - 407.6 Ma
Early/Lower Devonian
Denemarkia sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Proetidae : Denemarkia410.8 - 407.6 Ma
Early/Lower Devonian
Phaetonellus sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Tropidocoryphidae : Phaetonellus402.5 - 391.9 Ma
Devonian
Tropidocoryphe sp.
genus		6Animalia : Arthropoda : Trilobita : Proetida : Tropidocoryphidae : Tropidocoryphe410.8 - 407.6 Ma
Early/Lower Devonian
Mimagoniatites bohemicus
species		7Animalia : Mollusca : Cephalopoda : Ammonoidea : Mimagoniatitidae : Mimagoniatites : Mimagoniatites bohemicus402.5 - 391.9 Ma
Devonian
Gyroceratites laevis
species		7Animalia : Mollusca : Cephalopoda : Ammonoidea : Mimoceratidae : Gyroceratites : Gyroceratites laevis402.5 - 391.9 Ma
Devonian
Erbenoceras advolvens
species		7Animalia : Mollusca : Cephalopoda : Ammonoidea : Mimosphinctidae : Erbenoceras : Erbenoceras advolvens402.5 - 391.9 Ma
Devonian
Nowakia sp.
genus		6Animalia : Mollusca : Nowakiidae : Nowakia410.8 - 407.6 Ma
Early/Lower Devonian
Viriatellina sp.
genus		6Animalia : Mollusca : Nowakiidae : Viriatellina402.5 - 391.9 Ma
Devonian

References

Alberti G. K. B. (1969) Trilobiten des juengeren Siluriums sowie des Unter- und Mitteldevons. I. Mit Beitraegen zur Silur-Devon-Stratigraphie einiger Gebiete Marokkos und Oberfrankens, Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 520, 1-692
Alberti G. K. B. (1970) Trilobiten des juengeren Siluriums sowie des Unter- und Mitteldevons. II., Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 525, 1-233
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
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