Bing found the following results
Raricirrus beryli Petersen & George, 1991 - WoRMS
Marine Species of the British Isles and Adjacent Seas (MSBIAS)
WoRMS - World Register of Marine Species
WoRMS - World Register of Marine Species - Raricirrus Hartman, …
Belgian Register of Marine Species - Species
MarBEF Data System - ERMS - Raricirrus Hartman, 1961
Marine Species of the British Isles and Adjacent Seas (MSBIAS)
IRMNG - Raricirrus Hartmann, 1961
WoRMS - World Register of Marine Species - Raphidrilinae …