Genus
Ralfina Lavrentjeva, 1985
Selection of related publications
Lavrentjeva, V. D. 1985. Mšanki podotrâda Phylloporinina [Мшанки подотряда Phylloporinina].  Transactions of the Paleontological Institute (PIN)      214,   1-97.  Nauka. 
Männil, Ralf 1958. New Cryptostomatous Bryozoans from the Ordovician of Estonia.  Eesti NSV Teaduste Akadeemia Toimetised, Tehniliste ja Füüsikalis-matemaatiliste teaduste seeria / Известия Академии наук Эстонской ССР. Серия технических и физико-математических наук   7,   4,   330-347. DOI:10.3176/tech.phys.math.1958.4.07
List of species
1. Ralfina aluverensis (Männil, 1958) | Idavere Substage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Fenestrata | 
| Subfamily | Phylloporinina | 
| Family | Ralfinidae | 
| Genus | Ralfina | 
| Species | aluverensis | 
| Genus | Ralfinella |