Family
Valcouroceratidae Flower, 1946
Aiheeseen liittyvät julkaisut
Sweet, W. C. 1958. The Middle Ordovician of the Oslo Region, Norway: 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38, 1, 1-178.
List of species
1. Valcouroceras holtedahli Sweet, 1958 | Darriwilian
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Cephalopoda |
Subclass | Multiceratia |
Order | Oncocerida |
Suborder | Polyelasmoceratidae |
Family | Acleistoceratidae |
Diestoceratidae | |
Graciloceratidae | |
Hemiphragmoceratidae | |
Jovellaniidae | |
Karoceratidae | |
Oncoceratidae | |
Phtanoncoceratidae | |
Trimeroceratidae | |
Valcouroceratidae | |
Genus | Valcouroceras |
Valkyrioceras |
See also