Limestone Horizons of Megrane Shale, Jebel Megrane, Hercynian Massif, Morocco (Devonian of Morocco)

Where: Morocco (31.9° N, 3.1° W: paleocoordinates 59.1° S, 30.9° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Megrane Shale Formation, Pragian (410.8 - 407.6 Ma)

• "Older Pragian" (ref. 7485)

• formation-level stratigraphic resolution

Environment/lithology: marine; shale and limestone

• Hercynian Massif of central Morocco. N limb of the Khourigba-Oulmes anticlinorium.
• Limestone nodules [Knollen] in shale.

Primary reference: G. K. B. Alberti. 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 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27060: authorized by Michael Foote, entered by Michael Foote on 15.11.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus is on trilobites, but some other elements are listed.
Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Monograptidae
Monograptus sp.
Monograptus sp. graptolite
Bivalvia
 Cyrtodontida - Antipleuridae
Hercynella sp.
Hercynella sp. Kayser 1878 clam
Tentaculita
 Homoctenida - Paranowakiidae
Paranowakia aff. intermedia
 Nowakiida - Nowakiidae
Nowakia acuaria, Viriatellina ex gr. galinae
Trilobita
 Corynexochida - Styginidae
? Platyscutellum megranense n. sp.
 Odontopleurida - Odontopleuridae
Dicranurus monstrosus
 Lichida - Lichidae
Acanthopyge "sp. A"
Acanthopyge "sp. A" Hawle and Corda 1847 trilobite
 Phacopida - Calymenidae
"Calymene (Gravicalymene) teddersensis n. sp." = Gravicalymene
"Calymene (Gravicalymene) teddersensis n. sp." = Gravicalymene trilobite
 Phacopida - Cheiruridae
Cheirurus (Crotalocephalina) gibbus
 Phacopida - Acastidae
Treveropyge cf. lips, Asteropyginae indet.
Asteropyginae indet. Delo 1935 trilobite
 Phacopida - Phacopidae
"Phacops (Reedops) cephalotes" = Reedops cephalotes, Phacops (Reedops) aff. sternbergi, Phacops (Reedops) platilegnotor n. sp.
"Phacops (Reedops) cephalotes" = Reedops cephalotes Hawle and Corda 1847 trilobite
 Phacopida - Dalmanitidae
Odontochile ex gr. rugosum
 Proetida - Tropidocoryphidae
Decoroproetus concentricus
 Proetida - Proetidae
"Cornuproetus (Lepidoproetus) praematurus" = Lepidoproetus praematurus
"Cornuproetus (Lepidoproetus) praematurus" = Lepidoproetus praematurus Alberti 1964 trilobite
 Proetida - Otarionidae
Otarion (Otarion) aff. convexum