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Protogrammoceras
|
|
|
Seyed-Emami, Kazem, Fürsich, Franz T., Wilmsen, Markus, Majidifard, Mahmoud R. & Shekarifard, Ali, 2008, Lower and Middle Jurassic ammonoids of the Shemshak Group in Alborz, Iran and their palaeobiogeographical and biostratigraphical importance, Acta Palaeontologica Polonica 53 (2), pp. 237-260
: 248-250
|
248-250 |
|
Protogrammoceras
|
|
|
Fauré, Philippe, Alméras, Yves, Sekatni, Nejla & Zargouni, Fouad, 2007, Le Pliensbachien de Jebel Zaghouan (Tunisie). Nouvelles données fauniques. Implications biostratigraphiques et paléobiogéographiques, Geodiversitas 29 (4), pp. 473-506
: 492-493
|
492-493 |
|
Ammonoidea
|
|
new genus
|
Spath, Leonard Frank, 1914, On Jurassic ammonites from Jebel Zaghuan (Tunisia), Quarterly Journal of the Geological Society, London 69, No. 4, pp. 540-580
: 547
|
547 |
