PBDB Collection

Lower member, Small ravine near Douar Amergou (Jurassic to of Morocco)

Also known as Jebel Amergou

Where: Taza-Al Hoceima-Taounate, Morocco (34.5° N, 5.1° W: paleocoordinates 29.3° N, 2.7° W)

When: Amergou Formation, Middle Toarcian to Middle Toarcian (182.0 - 175.6 Ma)

Environment/lithology: marine; brown, gray, white marl

Size class: macrofossils

Primary reference: M. Benzaggagh. 2024. Ammonites and stratigraphic succession of the middle Toarcian – lowermost Aalenian from the Jebel Amergou (Moulay Bouchta area, Internal Prerif Zone, External Rif belt, northern Morocco). Journal of African Earth Sciences 209 [P. Scofield/P. Scofield]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 234054: authorized by Paul Scofield, entered by Paul Scofield on 14.03.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

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Cephalopoda
Ammonitida - Lytoceratidae	Alocolytoceras coarctatum, Alocolytoceras dorcadis, Perilytoceras perlaevis, Lytoceras francisci Alocolytoceras coarctatum Pompeckj 1896 ammonite Alocolytoceras dorcadis Meneghini 1875 ammonite Perilytoceras perlaevis Denckmann 1887 ammonite Lytoceras francisci Oppel 1865 ammonite
Ammonitida - Phymatoceratidae	Crassiceras latum, Crassiceras gradatum, Pseudomercaticeras rotaries, Mouterdeiceras dubourgi, Furloceras iserensis, Furloceras chelussii Crassiceras latum Merla 1932 ammonite Crassiceras gradatum Merla 1932 ammonite Pseudomercaticeras rotaries Merla 1932 ammonite Mouterdeiceras dubourgi Elmi and Rulleau 1995 ammonite Furloceras iserensis Oppel 1856 ammonite Furloceras chelussii Parisch and Viale 1906 ammonite
Ammonitida - Hildoceratidae	Pseudogrammoceras subregale, Pseudogrammoceras mediterraneum, Podagrosites pseudogrunowi, Taffertia taffertensis, Harpoceras falciferum, Harpoceras pseudoserpentinum, Harpoceras subplanatum, Polyplectus appenninicus, Polyplectus discoides, Hildoceras bifrons, Hildoceras semipolitum, Hildoceras crassum, Hildoceras tethysi, Hildoceras sublevisoni, Hildoceras snoussi, Hildoceras apertum Pseudogrammoceras subregale Pinna 1968 ammonite Pseudogrammoceras mediterraneum García Gómez and Rivas 1980 ammonite Podagrosites pseudogrunowi Guex 1975 ammonite Taffertia taffertensis Geux 1973 ammonite Harpoceras falciferum Sowerby 1820 ammonite Harpoceras pseudoserpentinum Gabilly 1973 ammonite Harpoceras subplanatum Oppel 1856 ammonite Polyplectus appenninicus Haas 1913 ammonite Polyplectus discoides Zittel 1831 ammonite Hildoceras bifrons Bruguiere 1792 ammonite Hildoceras semipolitum Buckman 1902 ammonite Hildoceras crassum Mitzopoulos 1930 ammonite Hildoceras tethysi Geczy 1967 ammonite Hildoceras sublevisoni Fucini 1919 ammonite Hildoceras snoussi Elmi 1977 ammonite Hildoceras apertum Gabilly 1976 ammonite
Ammonitida - Dactylioceratidae	Nodicoeloceras sp., Nodicoeloceras tuberculatum, Collina gemma, Zugodactylites sp., Zugodactylites cf. braunianus, Telodactylites eucosmus, Dactylioceras (Dactylioceras) attenuatus Nodicoeloceras sp. Buckman 1926 ammonite Nodicoeloceras tuberculatum Kottek 1963 ammonite Collina gemma Bonarelli 1894 ammonite Zugodactylites sp. Buckman 1926 ammonite Zugodactylites cf. braunianus d'Orbigny 1845 ammonite Telodactylites eucosmus Lippi-Boncambi 1947 ammonite Dactylioceras (Dactylioceras) attenuatus Simpson 1855 ammonite
Ammonitida - Hammatoceratidae	Geczyceras costulosum, Crestaites victorii, Crestaites meneghinii Geczyceras costulosum Merla 1934 ammonite Crestaites victorii Bonarelli 1895 ammonite Crestaites meneghinii Bonarelli 1899 ammonite
Phylloceratida - Phylloceratidae	Calliphylloceras nilssoni, Calliphylloceras capitanii, Calliphylloceras aff. capitanii, Phylloceras heterophyllum, Phylloceras doderleinianum Calliphylloceras nilssoni Hebert 1866 ammonite Calliphylloceras capitanii Catullo 1847 ammonite Calliphylloceras aff. capitanii Catullo 1847 ammonite Phylloceras heterophyllum Sowerby 1820 ammonite Phylloceras doderleinianum Catullo 1853 ammonite