Environmental Engineering Reference
In-Depth Information
Paludomus
(
Paludomus
)
conica
(Gray)
Shell globose conical, whorls 5, sculptured with
three to four spiral ridges in the sutural region
often ornamented with dark spiral bands
A few small lowland rivers and streams with
pebbly, gravel or sand substrate
Meghalaya, Tripura
Va r.
kopilensis
(Nevill)
Paludomus
(
Paludomus
)
infl atus
(Brot)
Body whorl abruptly enlarged and globular, fl at
below the suture and then arched: sculptured
with distinct unequal spiral furrows
Hill streams
Kerala, Tamil Nadu
Paludomus
(
Paludomus
)
obesus
(Philippi)
Shell globose, elongated and eroded spire;
whorls depressed around the upper part,
yellowish brown to olive, columellar callus
thick and expanded
Hill streams
Maharashtra: Western Ghats
Paludomus
(
Paludomus
)
ornatus
(Benson)
Shell ovately conical, spire acuminate, whorls
6, sculpture smooth except 2-3 spiral ridges in
the spiral region; inside three dark bands,
columella thick and arched
Hill streams
Assam: Brahmaputra valley
Paludomus
(
Paludomus
)
pustulosa
(Annandale)
Shell ovate, thick, uniformly black, with a
tumid body whorl, sculptured with coarser
longitudinal lines
Hill streams
Manipur, Mizoram
Paludomus
(
Paludomus
)
regulata
(Benson)
Shell large, ovately globose, spire acuminate;
suture deep, sculpture with groove-like spiral
ridges; body whorl with 4 dark brown bands
Hill streams
Meghalaya: Garo Hills, Khasi
Hills, Mizoram and West
Bengal
Paludomus
(
Paludomus
)
reticulata
(Blanford)
Shell not shouldered but sculptured with
reticulate spiral striations, form axial granulation
Hill streams
Assam, Meghalaya
Paludomus
(
Paludomus
)
rotunda
(Blanford)
Shell globose, sculptured with reticulate spiral
striations, which form regular axial granules
Hill streams
Assam, Meghalaya
Endemic to northeast India
Paludomus
(
Paludomus
)
stephanus
(Benson)
Whorls conspicuously shouldered, crown with
short and pointed spines
Hill streams
Meghalaya: Khasi Hill,
Jaiantia Hill
Paludomus
(
Paludomus
)
transchauricus
(Gmelin)
Shell conical, fi rst few whorls with keeled spiral
ridges; colour yellowish brown with dark brown
spots running in lines and waves
Hill streams
Andhra Pradesh, Kerala,
Maharastra, Tamil Nadu, West
Bengal
Paludomus
(
Philopotamis
)
sulcatus
(Reeve)
Shell ovate, prominent and eroded spire; whorls
3-5, rounded, very closely spirally grooved and
intermediate ridges closely decussated with
longitudinal striae
Hill streams
Kerala: Western Ghats
Paludomus
(
Stomatodon
)
stomatodon
(Benson)
Shell overly conical, spire rather low, aperture
posteriorly angular, columellar margin broad
and with distinct tooth anteriorly
Mountain streams near Kerala
Restricted to Western Ghats,
Kerala
(continued)
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