Trichodina
Protozoa | Ciliophora | Oligohymenophorea | Mobilida | Trichodinidae | Trichodina
Petriola
Dall, 1905
Biota | Animalia | Mollusca | Gastropoda | Heterobranchia | Euthyneura | Tectipleura | Eupulmonata | Stylommatophora | Achatinina | Achatinoidea | Achatinidae | Petriolinae | Petriola
COL:5T6MX | COL:N | COL:M2L | COL:8ZXFZ | COL:7NVXJ | COL:7NF59 | COL:7VBDS | COL:7NVXY | COL:B6L66 | COL:7NVZB | COL:7NGFM | COL:7NFST | COL:7NXYL | COL:7PCC7
|  |  | Cuvier, 1795 | Burmeister, 1837 |  |  | Haszprunar & Huber, 1990 | A. Schmidt, 1855 |  | Swainson, 1840 | Swainson, 1840 | Schileyko, 1999 | Dall, 1905