click on any Genus XXX below to show/hide its species

Rostellariidae comprise 6 genuses

Family Rostellariidae 
 1/6 Genus Rimella: 1 Species

 -----1/1 Rimella gracilis

 2/6 Genus Rimellopsis: 2 Species

 -----1/2 Rimellopsis laurenti
 -----2/2 Rimellopsis powisii

 3/6 Genus Rostellariella: 4 Species

 -----1/4 Rostellariella barbieri
 -----2/4 Rostellariella delicatula
 -----3/4 Rostellariella lorenzi
 -----4/4 Rostellariella turcki

 4/6 Genus Tenuitibia: 1 Species

 -----1/1 Tenuitibia martinii

 5/6 Genus Tibia: 4 Species

 -----1/4 Tibia curta
 -----2/4 Tibia fusus
 -----3/4 Tibia insulaechorab
 -----4/4 Tibia melanocheilus

 6/6 Genus Varicospira: 4 Species

 -----1/4 Varicospira cancellata
 -----2/4 Varicospira crispata
 -----3/4 Varicospira kooli
 -----4/4 Varicospira tyleri

16 Species in Rostellariidae 

(Extracted from WoRMS on February 2026)
NB: status "accepted" and "extant, not fossile-only"