ANCYLIDAE
Especes : 11 Taxa : 11 (maj:18-01-06)

ANCYLINAE
Ancylus
Ancylus fluviatilis (Muller 1774), ( 4 9 ) Arctique,

FERRISSIINAE
Ferrissia
Ferrissia hendersoni Walker 1908, ( ) U.S.A.,
Ferrissia javana (Martens 1897), ( ) Singapour,
Ferrissia mcneilli Walker 1925, ( ) U.S.A.,
Ferrissia rivularis (Say 1817), ( ) Amerique N.,
Ferrissia tasmanica (Tenison & Woods 1876), ( ) Australie S.E.,

Ancylastrum
Ancylastrum excentricus Morelet 1851, ( ) U.S.A.,

Laevapex
Laevapex diaphanus (Haldeman 1841), ( ) U.S.A.,
Laevapex fuscus (Adams 1841), ( ) Amerique N.,
Laevapex peninsulas (Pilsbry & Johnson 1903), ( ) U.S.A.,

Pseudancylastrum
Pseudancylastrum sibiricum (Gerstfeldt 1859), ( 3 ) U.R.S.S., Lac Baikal