Genus
Nybyoceras Troedsson, 1926
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.
Teichert, C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Paläontologische Zeitschrift 12, 3/4, 264-312. DOI:10.1007/BF03044452
List of species
1. Nybyoceras balticum (Troedsson, 1926) | Pirgu Stage
2. Nybyoceras bekkeri Troedsson, 1926 | Pirgu Stage
3. Nybyoceras holmi Sweet, 1958 | Darriwilian
4. Nybyoceras intermedium Teichert, 1930 | Pirgu Stage
5. Nybyoceras troedssoni Strand, 1934 | Ordovician
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Actinoceratoidea |
| Order | Actinocerida |
| Family | Armenoceratidae |
| Genus | Armenoceras |
| Eushantungoceras | |
| Nybyoceras | |
| Species | balticum |
| bekkeri | |
| holmi | |
| intermedium | |
| troedssoni |