Stylioline-Marl with Anarcestes lateseptatus, Tafilalt, SE Morocco (Devonian of Morocco)

Where: Morocco (31.4° N, 4.1° W: paleocoordinates 47.6° S, 20.4° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Polygnathus costatus partitus conodont zone, Bou Tchrafine Group, Eifelian (393.3 - 387.7 Ma)

• "Unter-Eifelium: Styliolinen-Mergelkalk mit A. lateseptatus". PJW: This is the Bou Tchrafine Group, but formation is uncertain. (I added the conodont zone to denote Early Eifelian.)

• formation-level stratigraphic resolution

Environment/lithology: marine; marl

Size class: macrofossils

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 27074: authorized by Michael Foote, entered by Michael Foote on 15.11.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus is on trilobites, but some other elements are listed.
Trilobita
 Phacopida - Phacopidae
"Phacops (Phacops) fecundus" = Ananaspis fecunda, "Phacops (Phacops) aff. fecundus" = Ananaspis fecunda, "? Phacops (Eocryphops) termieri" = Eocryphops termieri
"Phacops (Phacops) fecundus" = Ananaspis fecunda Barrande 1852 trilobite
"Phacops (Phacops) aff. fecundus" = Ananaspis fecunda Barrande 1852 trilobite
"? Phacops (Eocryphops) termieri" = Eocryphops termieri Richter and Richter 1943 trilobite
 Proetida - Proetidae
"? Drevermannia (? Palpebralia) saharensis" = Cornuproetus (Linguaproetus) saharensis, "Cornuproetus (Macroblepharum) germanicus" = Sculptoproetus germanicus, "Cornuproetus (Piriproetus) ornatissimus" = Piriproetus (Piriproetus) ornatissimus, Cyrtosymboloides termieri, Unguliproetus unguloides, "Drevermannia (? Palpebralia) pygmaea" = Erbenaspis pygmaea
"? Drevermannia (? Palpebralia) saharensis" = Cornuproetus (Linguaproetus) saharensis Alberti 1967 trilobite
"Cornuproetus (Macroblepharum) germanicus" = Sculptoproetus germanicus Alberti 1969 trilobite
"Cornuproetus (Piriproetus) ornatissimus" = Piriproetus (Piriproetus) ornatissimus Erben 1952 trilobite
Cyrtosymboloides termieri Alberti 1969 trilobite
Unguliproetus unguloides Barrande 1852 trilobite
"Drevermannia (? Palpebralia) pygmaea" = Erbenaspis pygmaea Alberti 1969 trilobite
 Proetida - Tropidocoryphidae
"Cornuproetus (Tafilaltaspis) creber" = Tafilaltaspis creber
"Cornuproetus (Tafilaltaspis) creber" = Tafilaltaspis creber Alberti 1966 trilobite
 Harpetida - Harpetidae
Harpes perradiatus Richter and Richter 1943 trilobite
Tentaculita
 Nowakiida - Nowakiidae
Cephalopoda
 Agoniatitida - Anarcestidae
Anarcestes lateseptatus Beyrich 1837 ammonite
Anarcestes ex gr. lateseptatus Beyrich 1837 ammonite