Taxon Search
Organism
  Animalia
    Bilateria
     Protostomia
     Lophozoa
      Mollusca
            Gastropoda
                   [Orthogastropoda]
              Prosobranchia
                     [Parasita]
                    Neritopsina
                            Helicinidae
                                    Helicina
                        Helicoidei
                          Helicoidea
                            Geomitridae
                                    Alteniella
                                    Backeljaia
                                    Caseolus
                                    Craspedaria
                                    Discula
                                    Disculella
                                    Geomitra
                              Geomitrinae
                                Cochlicellini
                                Geomitrini
                                    Actinella
                                            Actinella arcta
                                            Actinella lentiginosa
                                            Actinella obserata
                                    Plebecula
                                            Plebecula nitidiuscula
                                                   [Actinella nitidiuscula]
                                    Helicomela
                                    Helicopsis
                                    Microxeromagna
                                    Monilearia
                                    Pseudocampylaea
                                    Spirorbula
                                    Steenbergia
                                    Wollastonaria
                                    Xerocrassa
                                    Xerogyra
                                    Xerolenta
                                    Xeropicta
                                    Xeroplexa
                                    Xerosecta
                                    Xerotricha