informally goniatites, are ammonoid cephalopods that form the order Goniatitida, derived from the more primitive Agoniatitida during the Middle Devonian...

characteristic of the Paleozoic ammonoids (orders Agoniatitida, Clymeniida, Goniatitida, and Prolecanitida). Ceratitic – lobes have subdivided tips, giving them...

cephalopods, the major Late Paleozoic group of ammonoids alongside the order Goniatitida. Prolecanitids had narrow shells, discoidal (disc-shaped) to thinly lenticular...

Agoniatitida, which in later epochs evolved to new ammonoid orders, for example Goniatitida and Clymeniida. This class of cephalopod molluscs would dominate the...

the Superfamily Pseudohaloritoidea, an important subgroup of the order Goniatitida. Smallest organisms Nishiguchi, M.K., R. Mapes (2008). "Cephalopoda"...

Agoniatitida, which in later epochs evolved to new ammonoid orders, for example Goniatitida and Clymeniida. This class of cephalopod molluscs would dominate the...

The Lopingian would see the decline of the Paleozoic ammonoid orders (Goniatitida and Prolecanitida) and the rise of the order Ceratitida, especially within...

important ecosystem engineers in Permian reef complexes. Amongst ammonoids, Goniatitida were a major group during the Early-Mid Permian, but declined during...

1 to 260.5 Ma) Subclass † Ammonoidea: Ammonites (479 to 66 Ma) Order † Goniatitida (388.5 to 252 Ma) Order † Ceratitida (254 to 200 Ma) Order † Ammonitida...

one of six subfamilies of the Prionoceratidae family, a member of the Goniatitida order. They are an extinct group of ammonoid, which are shelled cephalopods...