GASTRODONTIDAE
Especes : 8 Taxa : 8 (maj:18-01-06)

GASTRODONTINAE
Gastrodonta
Gastrodonta interna (Say 1822), ( 7 ) Alabama & Indiana,

Poecilozonites
Poecilozonites bermudensis (Pfeiffer 1845), ( 25 ) Bermudes,

Ventridens
Ventridens gularis (Say 1822), ( 8 ) Alabama & Pennsylvan,
Ventridens ligera (Say 1821), ( ) U.S.A.,

Zonitoides
Zonitoides arboreus (Say 1816), ( 5 ) Canada & Mexique,
Zonitoides excavatus (Bean 1830), ( 3 6 ) Europe N.O.,
Zonitoides jaccetanicus (Bourguignat 1870), ( 4 ) France,
Zonitoides nitidus (Muller 1774), ( 6 7 ) Europe & U.S.A N.E.,