Genus

Charactoceras Foerste, 1924

Selection of related publications

Kröger, B. 2025. The Lyckholm acme of cephalopods – Review of the late Katian (Vormsi–Pirgu regional stages) Ordovician cephalopods of Estonia. European Journal of Taxonomy 978, 1-169. DOI:10.5852/ejt.2025.978.2801

Frye, M. W. 1982. Upper Ordovician (Harjuan) nautiloid cephalopods from the Boda Limestone of Sweden. Journal of Paleontology 56, 5, 1274-1295.

Stumbur, H. 1955. Eesti NSV ülem-ordoviitsiumi nautiloiididest [Diplomitöö. Juhendaja: A. Rõõmusoks]. pp. 1-159.

Balashov, Z. G. 1953. Svernutye i polusvernutye nautiloidei ordovika Pribaltiki. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 217-300. Gostoptehizdat.

Strand, T. 1934. The Upper Ordovician Cephalopods of the Oslo Area. Norsk Geologisk Tidsskrift 14, 1-117.

Öpik, A. 1933. Uus kivistis Saaremõisa lademest. Eesti Loodus 4, 94-94.

List of species

1. Charactoceras estonicum Strand, 1934 | Pirgu Stage

2. Charactoceras kallholnense Frye, 1982 | Katian

3. Charactoceras raettvikense Frye, 1982 | Katian

4. Charactoceras suecicum Frye, 1982 | Katian

5. Charactoceras triangulum Frye, 1982 | Katian

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Mollusca
Class	Cephalopoda
Order	Barrandeocerida
Family	Apsidoceratidae
Genus	Charactoceras
Species	estonicum
	kallholnense
	raettvikense
	suecicum
	triangulum
Genus	Saxbyoceras