Gastropoda

(Snails & Limpets)

 Photogallery: 

Synonyms:  Ferrissia californica (Dowell)
                                          (Fullington 1978; Fullington 1982)
                   Ferrissia fragilis (Tryon)
                                          (Barnett 1976; Basch 1963; Bayer et al. 1992; Burch 1982, 1989; Burch & Tottenham 1980;
                                            Fullington 1978, 1982; Metcalf 1968; NatureServe 2008)
                   Ferrissia walkeri (Pilsbry & Ferriss)
                                           (McMahon & Hopkins 1977; Fullington 1978, 1982)

[1963 Basch]
1968 Metcalf
[1968 Murray & Roy]

1974 RET Inc
1976 Barnett
1977 McMahon & Hopkins
1978 Fullington

[1980 Burch & Tottenham]
[1982 Burch]
[1982 Fullington]
[1989 Burch]

1992 Bayer et al.

[2008 NatureServe]

[ ] indicate state record, no specific county or locality indicated

notes:

-among the most widely distributed of North American freshwater snails (Basch 1963)

-found in quiet permanent water with abundant vegetation (Allen & Cheatum 1961);collected on stems and leaves of aquatic vegetation (McMahon & Hopkins 1977)

-collected as fossils in the following counties:  Briscoe, Cooke, Crane, Delta, Donley, Pecos, Swisher, Terrell, Ward