Gastropoda

(Snails & Limpets)

 Photogallery: 

Synonyms:  Ancylus excentricus Morelet
                                           (Walker 1903)
                   Ferrissia excentrica (Morelet)
                                           (Wurtz 1951; Murray & Roy 1968)

1903 Walker

[1951 Wurtz]

1963 Basch
[1968 Murray & Roy]

1976a McMahan
[1978 Pennak]

[1980 Burch & tottenham]
[1982 Burch]
1983 Barclay
1984 Smith, SL
1985 Barclay & Harrel
1985 Guthrie
[1989 Burch]
[1989 Pennak]
1989 Short & Smith

1990b Neck
1998 Cauble

[2004 Perez Clark Lydeard]
[2008 NatureServe]

notes:

-common on rocks in fast flowing water and on rooted plants around margins of lakes and impoundments (McMahan 1976a)

-replaces Ferrissia rivularis as the "Comon" stream limpet south of the Red River (McMahon 1976a)

-bivoltine life cycle in Texas (McMahan 1976a)