Dodatak:Popis vrsta:How
- Taksoni:
Howardia , Howardula , Howarthia , Howdenia , Howdenia , Howdenocarus , Howea , Howea , Howearion , Howella , Howellidae , Howelliella , Howeobolus , Howeocis , Howeria , Howeta , Howickia , Howintoniella , Howittacanthidae † ,
Howa uredi
Howardia , Howardula , Howarthia ,
Howd uredi
Howdenia , Howdenia , Howdenocarus ,
Howe uredi
Howea , Howea ,
Howearion Iredale, 1944 uredi
- Howearion hilli (Cox, 1873)
Animalia → Mollusca → Gastropoda → Pulmonata → Helicarionoidea → Helicarionidae
Howella uredi
- Howella brodiei
- Howella pammelas
- Howella parini
- Howella sherborni
- Howella zina
Howellidae , Howelliella , Howeobolus , Howeocis , Howeria , Howeta ,
Howi uredi
Howickia , Howintoniella , Howittacanthidae † ,