|
Raymondiceratinae is a subfamily of Upper Devonian cheiloceratid goniatites 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 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== * *(Goniat-Raymondiceratinae ) 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Raymondiceratinae」の詳細全文を読む スポンサード リンク
|