Family
Cyclostomiceratidae Foerste, 1925
Aiheeseen liittyvät julkaisut
King, A. H. 1998. A review of the cyclostomiceratid nautiloids, including new taxa from the Lower Ordovician of Öland, Sweden. Palaeontology 41, 2, 335 – 347.
King, W. 1846. Remarks on certain genera belonging to the class Palliobranchiata XI. Annals and Magazine of Natural History 18, 117, 83-94. DOI:10.1080/037454809496570
List of species
1. Microstomioceras holmi King, 1998 | Kunda Stage
2. Paracyclostomiceras paucitumidum King, 1998 | Kunda Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Multiceratia |
| Order | Ellesmerocerida |
| Family | Cyclostomiceratidae |
| Genus | Microstomioceras |
| Paracyclostomiceras | |
| Family | Ellesmeroceratidae |
| Genus | Pictetoceras |