Raymondiceratinae is a subfamily of Upper

Devonian The Devonian ( ) is a period (geology), geologic period and system (stratigraphy), system of the Paleozoic era (geology), era during the Phanerozoic eon (geology), eon, spanning 60.3 million years from the end of the preceding Silurian per ...

goniatite Goniatids, informally goniatites, are ammonoid cephalopods that form the order Goniatitida, derived from the more primitive Agoniatitida during the Middle Devonian some 390 million years ago (around Eifelian stage). Goniatites (goniatitids) su ...

s in which the sutures have 4 distinct lobes and the growth lines are convex. The subfamily includes three genera. *'' Raymondiceras''. named by Schindewolf, 1934 which has a subglubular shell with small closed umbilici and sutures with an incipient lobe in the first lateral saddle. Type genus. *'' Melonites'' named by Bogoslovskii 1971, which was moved from

Cheiloceratidae Cheiloceratidae is a family of ammonoid cephalopods included in the goniatitid suborder Tornoceratina in which the suture has 4 to 12 lobes, the ventral one undivided and those in the lateral areas originating as subdivisions of internal and ex ...

to Raymondiceratineae by Korn & Klug, 2002. *'' Roinghites'' named by Korn 2002, which has a thick discoidal shell, with closed umbilici in the adult; fine, convex growth lines and a very shallow, weakly and widely rounded lateral lobe.

References

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Goniat-Raymondiceratinae
Cheiloceratidae Late Devonian first appearances Late Devonian animals Late Devonian extinctions {{Goniatitida-stub