Butte 760, Ait Out Amar (Devonian of Morocco)

Where: Morocco (31.0° N, 4.9° W: paleocoordinates 44.8° S, 16.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Late/Upper Givetian (388.1 - 383.7 Ma)

• The entire assemblage was collected loose from hypoxic shales. It is probably a mixture of several levels. The majority of specimens probably came from the Taouzites taouzensis Zone (MD III-D) but with an admixture of some specimens from the Synpharciceras clavilobum and Petteroceras errans Zones (MD III-C and III-E).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Preservation: replaced with hematite, replaced with limonite

Reposited in the MfN

Primary reference: J. Bockwinkel, R. T. Becker, and V. Ebbighausen. 2015. Late Givetian ammonoids from Ait Ou Amar (northern Maider, Anti-Atlas, southeastern Morocco). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 278:123-158 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189420: authorized by Matthew Clapham, entered by Matthew Clapham on 18.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Tornoceratidae
Epitornoceras mithracoides Frech 1902 ammonite
Phoenixites lenticulus Bockwinkel et al. 2013 ammonite
Nebechoceras excentricum Bockwinkel et al. 2013 ammonite
 Agoniatitida - Petteroceratidae
Petteroceras angustum n. sp. Bockwinkel et al. 2015 ammonite
Petteroceras errans Petter 1959 ammonite
 Agoniatitida - Pharciceratidae
Pharciceras sp. Hyatt 1884 ammonite
? Pharciceras "n. sp." Hyatt 1884 ammonite
Pharciceras pargai Montesinos and Henn 1986 ammonite
Pharciceras cf. pargai Montesinos and Henn 1986 ammonite
Pharciceras fornix Bockwinkel et al. 2013 ammonite
Pharciceras aff. fornix Bockwinkel et al. 2013 ammonite
Pharciceras cf. tridens Sandberger and Sandberger 1850 ammonite
Pharciceras lateseptatum Frech 1902 ammonite
Extropharciceras sp. Bockwinkel et al. 2009 ammonite
Extropharciceras applanatum Bensaid 1974 ammonite
Extropharciceras serum n. sp. Bockwinkel et al. 2015 ammonite
Extropharciceras arenicum Petter 1959 ammonite
Extropharciceras gentile n. sp. Bockwinkel et al. 2015 ammonite
Synpharciceras sp. Schindewolf 1940 ammonite
Synpharciceras clavilobum Sandberger and Sandberger 1850 ammonite
Synpharciceras frequens Bockwinkel et al. 2013 ammonite
Stenopharciceras progressum Bockwinkel et al. 2013 ammonite
Pluripharciceras orbis Bockwinkel et al. 2013 ammonite
 Agoniatitida - Taouzitidae
Taouzites taouzensis Termier and Termier 1950 ammonite
Mzerrebites amarensis n. sp. Bockwinkel et al. 2015 ammonite
Darkaoceras velox Bockwinkel et al. 2013 ammonite
 Agoniatitida - Acanthoclymeniidae
Pseudoprobeloceras sp. Bensaïd 1974 ammonite
Pseudoprobeloceras praecox Bockwinkel et al. 2013 ammonite
Pseudoprobeloceras pernai Wedekind 1918 ammonite
Pseudoprobeloceras cf. pernai Wedekind 1918 ammonite