Also known as Trilobites between Lower and Upper Kellwasser events, Mrirt area, Morocco
Where: Morocco (33.2° N, 5.6° W: paleocoordinates 38.4° S, 8.3° E)
• coordinate based on political unit
• local area-level geographic resolution
When: Late Palmatolepis rhenana conodont zone, Mrirt Member (Bou Nebedou Formation), Late/Upper Frasnian (379.5 - 376.1 Ma)
• Late Devonian cephalopod limestones in olistolithic slabs contained within Visean shales. Collections come from between the Lower and Upper Kellwasser events. Late Palmatolepis rhenana Zone.
• group of beds-level stratigraphic resolution
Environment/lithology: gray lime mudstone
Size classes: macrofossils, mesofossils
Primary reference: R. Feist. 2002. Trilobites from the latest Frasnian Kellwasser Crisis in North Africa (Mrirt, central Moroccan Meseta). Acta Palaeontologica Polonica 47(2):203-210 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 35385: authorized by Michael Foote, entered by Michael Foote on 09.12.2003, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
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•This can be split into individual horizons: PJW 2014-07-14.
Conodonta | |
Palmatolepis hassi conodont
Palmatolepis bogartensis conodont
Palmatolepis rhenana conodont
Palmatolepis boogaardi conodont | |
Ancyrognathus asymmetricus conodont
Polygnathus webbi Stauffer 1938 conodont | |
Trilobita | |
Otarion stigmatophthalmus Richter 1914 trilobite | |
"Palpebralia brecciae" = Rudybole brecciae, Palpebralia sp.
"Palpebralia brecciae" = Rudybole brecciae Richter 1913 trilobite
Palpebralia sp. Richter and Richter 1927 trilobite | |
"Chlupaciparia maroccanica" = Chlupaciparia ziegleri maroccanica
"Chlupaciparia maroccanica" = Chlupaciparia ziegleri maroccanica Feist 2002 trilobite P. z. maroccanica subsp. nov.
| |
Gondwanaspis mrirtensis n. gen. n. sp.
Gondwanaspis mrirtensis n. gen. n. sp. Feist 2002 trilobite | |
""Harpes" neogracilis" = Eskoharpes neogracilis
""Harpes" neogracilis" = Eskoharpes neogracilis Richter and Richter 1924 trilobite | |
Acuticryphops acuticeps Kayser 1889 trilobite |