Koenenitidae Becker & House, 1993

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.6629147
persistent identifier	https://treatment.plazi.org/id/C9186647-421F-8947-FDA3-5990FB64C4CB
treatment provided by	Felipe
scientific name	Koenenitidae Becker & House, 1993
status

Treatment

Family Koenenitidae Becker & House, 1993 View in CoL

Diagnosis

Family of the superfamily Gephuroceratoidea with discoidal conch with moderately narrow to closed umbilicus; rounded venter in early species but acute venter in late species. Growth lines with high ventrolateral projection. Sutural evolution with proliferation of umbilical lobes during phylogeny. Sutural formula (E 2 E 1 E 2) L U 2:U 1 I to (E 2 E 1 E 2) L U 2: U 3 U 1 I; lateral lobe simple, usually V-shaped.

Included genera

Koenenites Wedekind, 1913 View in CoL ; Hoeninghausia Gürich, 1896 View in CoL ; Timanites Mojsisovics, 1882 View in CoL ; Protimanites Ljaschenko, 1956 (synonym of Hoeninghausia View in CoL ); Komioceras Bogoslovsky, 1958 View in CoL .