Order
Rioceratida King et Evans, 2019
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. Bactroceras angustisiphonatum (Rüdiger, 1889) | Lasnamägi Stage
2. Bactroceras avus Holm, 1898 | Darriwilian
3. Bactroceras sandbergeri Barrande, 1867 | Darriwilian
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Cephalopoda |
Subclass | Orthoceratia |
Order | Astroviida |
Bajkalocerida | |
Dissidoceratida | |
Endoceratida | |
Orthocerida | |
Pseudorthocerida | |
Rioceratida | |
Family | Bactroceratidae |