PBDB Collection

Northern Tafilalt Platform, Pragian to Givetian cephalopods (Devonian to of Morocco)

Where: Morocco (33.3° N, 3.9° W: paleocoordinates 49.5° S, 22.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pragian to Pragian (410.8 - 407.6 Ma)

• Early Devonian to Middle Devonian, (from Lochkovian-Pragian boundary to Givetian).

Environment/lithology: shallow subtidal; limestone

• Shallow well-oxygenated environmental conditions.

Size class: macrofossils

Primary reference: A. Pohle and C. Klug. 2018. Early and Middle Devonian cephalopods from Hamar Laghdad (Tafilalt, Morocco) and remarks on epicoles and cameral deposits. 290(1-3):203-240 [W. Kiessling/A. EL Manharawy/A. EL Manharawy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 208110: authorized by Wolfgang Kiessling, entered by Ahmed EL Manharawy on 20.03.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Mesonaedyceras obliquum n. sp., Subtheoceras striatum n. sp., Mimogeisonoceras sp. Mesonaedyceras obliquum n. sp. It's a holotype, Eifelianin age Subtheoceras striatum n. sp. It's a holotype, Pragian in age Mimogeisonoceras sp. Four phragmocone fragments, Pragian in age.
Cephalopoda
Discosorida - Phragmoceratidae	Pseudendoplectoceras angustum n. sp., Pseudendoplectoceras lahcani Pseudendoplectoceras angustum n. sp. It's a holotype, Pragian in age Pseudendoplectoceras lahcani Kröger 2008 One internal mould, Pragian in age
Oncocerida -	Oncocerida indet. Oncocerida indet. Flower and Kummel 1950 Two siphuncle fragments
Oncocerida - Nothoceratidae	Tafilaltoceras adgoi Tafilaltoceras adgoi Kröger 2008 One internal mould of a phragmocone, Pragian in age.
Oncocerida -	Aphyctoceras friesenbichlerae n. sp., Pachtoceras laghdadense n. sp. Aphyctoceras friesenbichlerae n. sp. It's a holotype, ُEarlyEifelianin age Pachtoceras laghdadense n. sp. It's a holotype, Late Givetian in age.
Oncocerida - Brevicoceratidae	Cerovoceras brevidomus, Cerovoceras fatimi, Brevicoceras magnum Cerovoceras brevidomus Kröger 2008 One isolated body chamber, Cerovoceras Cerovoceras fatimi Kröger 2008 One internal mould, Eifelianin age Brevicoceras magnum Kröger 2008 Incomplete specimens, Late Givetian in age.
Nautilida - Rutoceratidae	Hercoceras mirum Hercoceras mirum nautiloid One complete specimen and two phragmocone fragment
Pseudorthocerida - Pseudorthoceratidae	Subdoloceras engeseri, Subdoloceras atrouzense, Subdoloceras tafilaltense, Geidoloceras hebeiseni n. sp., Geidoloceras ouaoufilalense, Subormoceras asymmetricum n. sp. Subdoloceras engeseri Kröger 2008 One phragmocone fragment, Pragian in age Subdoloceras atrouzense Kröger 2008 Pragian in age Subdoloceras tafilaltense Kröger 2008 One phragmocone fragment Geidoloceras hebeiseni n. sp. One confirmed internal structure (it's a holotype) and two are not included as paratypes because of unknown internal characters. Geidoloceras ouaoufilalense Kröger 2008 One phragmocone fragment Subormoceras asymmetricum n. sp. It's a holotype, Pragian age
Pseudorthocerida - Spyroceratidae	Suloceras longipulchrum, Cancellspyroceras sp., Cancellspyroceras loricatum, Spyroceras sp., Spyroceras patronus, Spyroceras cyrtopatronus Suloceras longipulchrum Kröger 2008 Two fragmocone fragments, Pragian in age Cancellspyroceras sp. Kröger 2008 One internal mould Cancellspyroceras loricatum Barrande 1868 Four fragmocone fragments, Pragian in age Spyroceras sp. Hyatt 1884 Three phragmocone fragments with poorly preserved shell remains.One fragment with poorly preserved shell remains. Spyroceras patronus Barrande 1866 Five fragmocone fragment, Pragian in age. Spyroceras cyrtopatronus Kröger 2008 Three fragmocone fragment, Pragian in age.
Bactritida - Bactritidae	Lobobactrites ellipticus, Devonobactrites obliquiseptatus, Devonobactrites emsiensis Lobobactrites ellipticus Frech 1897 Nine isolated body chambers, four phragmocone fragments Devonobactrites obliquiseptatus One phragmocone fragment, including part of the body chamber Devonobactrites emsiensis Five phragmocone fragments and three body chambers
Orthocerida - Orthoceratidae	Orthocycloceras tafilaltense, Tibichoanoceras tibichoanum, Pseudospyroceras reticulum, Arkonoceras sp., Infundibuloceras kroegeri n. sp., Infundibuloceras mohamadi Orthocycloceras tafilaltense Kröger 2008 Three specimens Tibichoanoceras tibichoanum Kröger 2008 One phragmocone fragments, Pragian in age. Pseudospyroceras reticulum Kröger 2008 Five phragmocone fragments, Pragian in age. Arkonoceras sp. Flower 1945 One phragmocone fragments, Pragian in age. Infundibuloceras kroegeri n. sp. One is a holotype and seven specimens, typelocality and horizon. Assigned to this taxonomy based on apical angle, septal spacing and siphuncule position, but without knowledge of internal characters. Infundibuloceras mohamadi Kröger 2008 Four phragmocone fragments
Orthocerida - Arionoceratidae	Adiagoceras sp. Adiagoceras sp. Kröger 2008 Fifty- two internal moulds
Orthocerida - Dawsonoceratidae	Dawsonoceratidae indet. Dawsonoceratidae indet. Flower 1962 One specimen, Pragian in age.
Actinocerida -	Astoceras floweri n. sp. Astoceras floweri n. sp. It's holotype, latest Emsian in age.
Lituitida - Lamellorthoceratidae	Arthrophyllum vermiculare Arthrophyllum vermiculare Termier and Termier 1950 Twenty specimens (Pragian in age), one specimen (Late Emsian in age)
Dissidocerida - Geisonoceratidae	Temperoceras migrans Temperoceras migrans Barrande 1868 Eighteen phragmocone fragments, Pragian in age.
Agoniatitida - Latanarcestidae	Latanarcestes sp. Latanarcestes sp. Schindewolf 1933 ammonite Eighty-three specimens, mostly internal moulds, some with the body chamber. Twenty-four specimens with a narrow conch, twenty-two specimens with a broad conch, twenty-eight poorly preserved or fragmentary specimens, six specimens with epizoans or epicoles.
Agoniatitida - Mimagoniatitidae	Amoenophyllites doering, Mimagoniatites bohemicus Amoenophyllites doering ammonite Twenty-nine internal moulds, twelve phragmocone, twelve isolated phragmocone chambers and twenty-seven phragmocone fragments Mimagoniatites bohemicus Barrande 1865 ammonite Three internal moulds
Agoniatitida - Anarcestidae	Paranarcestes chalix, Anarcestes sp., Anarcestes latissimus Paranarcestes chalix Klug 2002 ammonite Two haematitic internal moulds of phragmocones Anarcestes sp. Mojsisovics 1882 ammonite Thirty internal moulds of phragmocones, nine specimens carry Housean pits, twenty phragmocones are available ranging from 7 to 34 mm in diameter. Anarcestes latissimus Chlupac and Turek 1983 ammonite Twenty-two specimens, nine of which are whorl fragments, all specimens are internal moulds of phragmocones without shell remains.