Koenenites Wedekind, 1913

Korn, Dieter & Bockwinkel, Jürgen, 2022, The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea), European Journal of Taxonomy 823, pp. 10-47 : 34

publication ID	https://doi.org/ 10.5852/ejt.2022.823.1811
publication LSID	lsid:zoobank.org:pub:D5AC626B-4A10-4CD9-B77B-6D7EFE8D180E
DOI	https://doi.org/10.5281/zenodo.6908516
persistent identifier	https://treatment.plazi.org/id/C9186647-421F-8947-FDE6-5FFDFE5BC842
treatment provided by	Felipe
scientific name	Koenenites Wedekind, 1913
status

Treatment

Genus Koenenites Wedekind, 1913 View in CoL

Type species

Goniatites lamellosus Sandberger & Sandberger, 1851 (original designation).

Diagnosis

Genus of the family Koenenitidae with extremely discoidal, subinvolute to involute conch; venter rounded in all stages. Suture line with wide external lobe, moderately high median saddle, narrowly V-shaped E 2 lobe, U-shaped or V-shaped lateral lobe and rounded umbilical lobes. Suture line formula (E 2 E 1 E 2) L U 2: U 1 I.

Included species

Goniatites lamellosus Sandberger & Sandberger, 1851 , Rhenish Mountains; Koenenites baoshanensis Yang, 1984 View in CoL , Yunnan; Koenenites cooperi Miller, 1938 View in CoL , Michigan; Koenenites lamellosus kirchgasseri House, 1978 View in CoL , West Virginia; Manticoceras Pattersopni View in CoL var. styliophilus Clarke, 1899 , New York; Goniatites sublamellosus Sandberger & Sandberger, 1851 , Rhenish Mountains (synonym of Koenenites lamellosus (Sandberger & Sandberger, 1851)) View in CoL ; Koenenites uralensis Bogoslovsky, 1969 View in CoL , North Urals.

Remarks

Koenenites is the only genus of the family Koenenitidae in which the conch has a rounded venter. Koenenites , along with Hoeninghausia , also has the simplest suture line in the family with only two umbilical lobes.