-
genus Helicodiscus include:
Helicodiscus diadema Helicodiscus eigenmanni (Chamberlin and Berry, 1929) -
Mexican coil
Helicodiscus hexodon Helicodiscus parallelus...
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Helicodiscus diadema,
common name the
shaggy coil, is a
species of
small air-breathing land snail, a
terrestrial pulmonate gastropod mollusk in the family...
-
Helicodiscus hexodon,
common name the
toothy coil snail, is a
species of
small air-breathing land snail, a
terrestrial pulmonate gastropod mollusk in the...
-
gastropod mollusk in the
family Helicodiscidae.
Helicodiscus parallelus is the type
species of the
genus Helicodiscus. This
species occurs in the
following countries...
- is
widely open and saucer-shaped, much as in
Helicodiscus lineatus (Say, 1817) (synonym of
Helicodiscus parallelus (Say, 1821)). This
calcifile species...
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Hawaiia †Hawaiia
minuscula †Hayoceros
Helicina †Helicina
orbiculata Helicodiscus †
Helicodiscus parallelus Helisoma †Helisoma
anceps †Helisoma
trivolvis Heloderma...
-
granule Endangered Hawaiia alachuana Southeastern gem
Special concern Helicodiscus singley****
Smooth coil
Special concern Helisoma anceps royalense Lake...
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simplex Haynesina †Haynesina
germanica Helicodiscus †
Helicodiscus inermis †
Helicodiscus jacksoni †
Helicodiscus parallelus Hemimactra †Hemimactra confraga...
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Glyphyalinia indentata - micromollusk, land
snail Haplotrema concavum Helicodiscus parallelus –
compound coil snail, land
snail Hoyia sheldoni in the family...
-
Subfamily Helicodiscinae Pilsbry, 1927
Chanomphalus Strebel & Pfeffer, 1879
Helicodiscus Morse, 1864 - the type
genus Polygyriscus Pilsbry, 1948 Speleodiscoides...
