| Show all families | Taxonomy (WoRMS) | ||||
Cylichnina crebrisculpta |
Cylichnina gerardi |
Cylichnina laevisculpta |
Cylichnina multiquadrata |
Cylichnina nitidula |
Cylichnina robagliana |
Cylichnina tenerifensis |
Cylichnina umbilicata |
Pyrunculus caelatus |
Pyrunculus concentrica |
Pyrunculus fourierii |
Pyrunculus hoernesii |
Pyrunculus ovatus |
Pyrunculus pyriformis |
Retusa bizona |
Retusa desgenettii |
Retusa leptoeneilema |
Retusa mammillata |
Retusa mariae |
.jpg "Retusa mariae (2)")
Retusa mariae (2) |
Retusa minima |
Retusa minutissima |
.jpg "Retusa obtusa (2)")
Retusa obtusa (2) |
 turrita.jpg "Retusa obtusa (f) turrita")
Retusa obtusa (f) turrita |
Retusa tornata |
Retusa truncatula |
.jpg "Retusa truncatula (2)")
Retusa truncatula (2) |
 pellucida.jpg "Retusa truncatula (f) pellucida")
Retusa truncatula (f) pellucida |
Rhizorus radiolus |
Volvulella acuminata |
Volvulella fortis |
Volvulella texasiana |
FOSSIL SPECIES |
PLEISTOCENE Retusa obtusa |
MIOCENE Bullichna paucistriata |
MIOCENE Retusa elongata |
MIOCENE Retusa subangistoma  |
MIOCENE Tornatina bellardii |
MIOCENE Volvulella acuminata |
EOCENE-YPRESIAN Volvulella radius |
© Joop Trausel & Frans Slieker