goniatiticadj.

1884 Proc. Boston Soc. Nat. Hist. 22 305 The more ancient forms remain longer in the simple or goniatitic stage with undivided ventrals, than the later forms.

1923 H. H. Swinnerton Outl. Palæontol. x. 188 This simple type of suture is very common among Palæozoic ammonoids and is described as Goniatitic, to distinguish it from the more complex type..described as Ammonitic.

1986 G. Culverwell tr. Arduini & Teruzzi's Macdonald Encycl. Fossils No. 90 The suture is goniatitic, very simple in form, with a broad and slightly accentuated umbilical saddle, a distinct lateral lobe and a bifid, equally pronounced ventral lobe.