Goniatitidae Agathiceras anceps Agathiceras applanatum Agathiceras applini Agathiceras ciscoense Agathiceras contractum Agathiceras divisum Agathiceras frechi...

Agathiceras applanatum is a species of Agathiceras, named by Teichert in 1944. The mollusc was a fast moving nektonic carnivore and had an average shell...

Agathiceras anceps is a species of Agathiceras, named by Gemmellaro in 1887. The mollusc was a fast moving nektonic carnivore and had a typical shell width...

Agathiceras applini is a species of Agathiceras, named by Plummer and Scott in 1937. The mollusc was a fast moving nektonic carnivore and had an average...

Agathiceras, Gaetanoceras, Paragathiceras, and Pericleites as compared to Dombarites, Paracravenoceras, Periclietes, Proshumardites, and Agathiceras in...

Composita mexicana; the ammonites Peritrochia erebus, Paracelites elegans, Agathiceras texanum, and Perrinites. The formation was first designated the Bone...

Aegocrioceras Aegolytoceras Aenigmatoceras Agassiceras Agastrioceras Agathiceras Agoniatites Ainoceras Aioloceras Akmilleria Aktubinskia Aktubites Aktuboclymenia...

Hairapetian in Korn et al. Permian (Changhsingian) Hambast Formation  Iran Agathiceras iranicum Sp. nov Valid Korn & Ghaderi in Korn et al. Carboniferous-Permian...

and Proshumardites in the late Early Carboniferous and indirectly to Agathiceras which first appeared in the middle Upper Carboniferous (Pennsylvanian)...

tentative report †Agathiceras †Agathiceras applini – type locality for species †Agathiceras ciscoense – type locality for species †Agathiceras contractum –...

†Actinoconchus †Acutichiton †Adamantina †Adrianites – tentative report †Agathiceras †Agathiceras applini – type locality for species †Alegeinosaurus †Alethopteris...

known occurrences of Precambrian fossils in California. †Advenella †Agathiceras †Ampyx – tentative report †Ampyx †Apatolichas †Aspidella – tentative...

Sp. nov Valid Faure & Bohain Early Jurassic (Pliensbachian)  France Agathiceras sequaxilirae Sp. nov Valid Zhou Permian Nanpanjiang Basin  China Akmilleria...

†Acidiphorus †Acidiphorus hesperia †Advenella †Advenella bifurcata †Agathiceras †Alaskospira †Alaskospira dunbari – or unidentified comparable form †Albertella...