Genus
Nicholsonella Ulrich, 1890
Aiheeseen liittyvät julkaisut
Pushkin, V. I. 1987. Ordovikskie mšanki podotrâda Halloporina Belorussii i smežnyh rajonov Vostočno- Evropejskoj platformy. Ordovik Belorussii, pp. 145-232. Nauka i Tehnika.
List of species
1. Nicholsonella faveolata Pushkin, 1987 | Idavere Substage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Bryozoa |
| Class | Stenolaemata |
| Superorder | Palaeostomata |
| Order | Trepostomata |
| Suborder | Halloporina (suborder) |
| Family | Trematoporidae |
| Genus | Aostipora |
| Batostoma | |
| Bythopora | |
| Mesotrypina | |
| Nicholsonella | |
| Species | faveolata |
| Genus | Radiotrypa |
| Trematopora | |
| Trematoporina |