Eocanites Librovitch, 1957

Korn, Dieter & Weyer, Dieter, 2023, The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany), European Journal of Taxonomy 882, pp. 1-230 : 193-194

Genus Eocanites Librovitch, 1957

Diagnosis

Genus of the Prolecanitinae with the sutural formula E A L U I; lateral lobe small, cuneiform.

Genus composition

Eocanites is currently composed of 21 species, which have been described from various regions:

Central Europe( Schmidt 1925; Schindewolf 1926b; Vöhringer 1960; Bartzsch et al. 2003): Gattendorfia nodosa Schmidt, 1925 ; Protocanites supradevonicus Schindewolf, 1926 ; Protocanites planus Schindewolf, 1926 ; Protocanites spiratissimus Schindewolf, 1926 ; Protocanites supradevonicus brevis Vöhringer, 1960 ; Protocanites planus tener Vöhringer, 1960 ; Eocanites ruani Bartzsch, Korn & Weyer, 2003 ; Eocanites delicatus sp. nov.

North Africa ( Bockwinkel & Ebbighausen 2006; Ebbighausen & Bockwinkel 2007): Eocanites dkorni Bockwinkel & Ebbighausen, 2006 ; Eocanites rtbeckeri Bockwinkel & Ebbighausen, 2006 ; Eocanites simplex Bockwinkel & Ebbighausen, 2006 .

South China ( Sun & Shen 1965; Ruan & He 1974; Ruan 1981): Asioclymenia asiatica Sun & Shen, 1965 ; Eocanites briareus Ruan, 1981 ; Eocanites circinatus Ruan, 1981 ; Eocanites curvicostatus Ruan, 1981 ; Eocanites holcoventrus Ruan, 1981 ; E ocanites huishuiensis Ruan, 1981; Eocanites nanus Ruan, 1981 ; Eocanites retiolus Ruan, 1981 ; Eocanites robustus Ruan, 1981 ; Eocanites rursiradiatus Ruan, 1981 ; Eocanites stenosellatus Ruan, 1981 .

Remarks

Eocanites , along with Protocanites , is the genus of the entire order Prolecanitida with the simplest suture line consisting only of the elements E A L U I. In contrast to Protocanites with a V-shaped external lobe, Eocanites has a parallel-sided or slightly pouched external lobe.