Species

Ephippiorthoceras vormsiense Kröger, 2025

Type specimen data

holotype: Department of Geology, TalTech GIT 878-192, Hosholm, tower outcrop, Pirgu Stage

paratype: Department of Geology, TalTech GIT 878-228, Hosholm, tower outcrop, Pirgu Stage

paratype: Department of Geology, TalTech GIT 878-195, Hosholm, tower outcrop, Pirgu Stage

paratype: Department of Geology, TalTech GIT 878-193, Hosholm, tower outcrop, Pirgu Stage

paratype: Department of Geology, TalTech GIT 878-194, Hosholm, tower outcrop, Pirgu Stage

Synonymy list

2025 Ephippiorthoceras vormsiense sp. nov — Kröger , pp. 34, fig. Figs 15A–C, 16A–B, 17

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, 1-168. DOI:10.5852/ejt.2025.978.2801

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Mollusca
Class	Cephalopoda
Subclass	Orthoceratia
Order	Orthocerida
Suborder	Orthoceratina
Family	Proteoceratidae
Genus	Ephippiorthoceras
Species	frognoyense
	plicatuloides
	vormsiense

References based on distribution

Kröger, 2025 Hosholm, tower outcrop Pirgu Stage