Raymondiceratinae
Encyclopedia
Raymondiceratinae is a subfamily of Upper Devonian cheiloceratid
goniatite
s in which the sutures have 4 distinct lobes and the growth lines are convex. The subfamily includes three genera.
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 external lateral saddles.-Taxonomy:The taxonomy of the...
goniatite
Goniatite
Goniatites are extinct ammonoids, shelled cephalopods related to squid, octopus, and belemnites, that form the order Goniatitida. The Gonatitida originated from within the more primitive anarcestine ammonoids in the Middle Devonian some 390 million years ago...
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 CheiloceratidaeCheiloceratidaeCheiloceratidae 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 external lateral saddles.-Taxonomy:The taxonomy of the...
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.