University of Illinois at Urbana-Champaign
Prairie Research Institute
Illinois Natural History Survey

INHS Collections Data

Home >> Taxonomic Tree Viewer
Central Thesaurus
Taxon Search
Taxon:
Display authors
Match on whole words
Display full tree below family
Display species with subgenera
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