Genus

Kallholnoceras Frye, 1987

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. 1987. Upper Ordovician (Harjuan) oncoceratid nautiloids from the Boda Limestone, Siljan District, Sweden. GFF 109, 1, 83-99. DOI:10.1080/11035898709454748
List of species
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Classification
Organism groupBiota
KingdomAnimalia
PhylumMollusca
ClassCephalopoda
SubclassMulticeratoidea
OrderOncocerida
FamilyKaroceratidae
GenusKallholnoceras
Speciescornutum