Abelbolla (Genus)
Bathyeurystomina (Genus)
Belbolla (Genus)
Bernardius (Genus)
Bolbella (Genus) NA
Bolbellia (Genus) NA
Calyptronema (Genus)
Ditlevsenella (Genus)
Enchelidium (Genus)
Eurystomatina (Genus)
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Eurystomina (Genus)
Ledovitia (Genus)
Lyranema (Genus)
Megeurystomina (Genus)
Pareurystomina (Genus)
Polygastrophora (Genus)
Symplocostoma (Genus)
Symplocostomella (Genus)
Thoonchus (Genus)
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