184
Paracrostoma martini (
Kohler and
Glaubrecht) ( 2007 ).
Data not available
Hill streams
Western Ghats
Bivalvia
Scaphula celox
(Benson)
Shell small, tumid, inside of the valves white,
elongately rhomboidal with a prominent keel
along the diagonal teeth of the valve, hinge
teeth 15–20, umbon prominent
Ponds, lakes, rivers mudfl ats of tidal infl uence
Madhya Pradesh, Orissa,
West Bengal
Scaphula deltae
(Blanford)
Strong ribs parallel to the posterior keel and far
greater timidity of the valves, nearly twice as
thick as the height
Ponds, lakes, rivers mudfl ats of tidal infl uence
Gangetic delta, Kolkata:
Rabindra Sarobar; Orissa:
Mahanadi river
Scaphula nagarjunai
(Janaki Ram and
Radhakrishna)
Shell very small, diagonal keel developed up to
the extreme end of posterior extremity
Large lakes
Andhra Pradesh: Guntur,
Khammam
Arcidopsis footei
(Theobald)
Shell elongate, a strong ridge running back and
down from the beaks, ventrally strongly
compressed in the anterior region
River system
Western Ghats
Physunio
( Velunio
) velaris
(Swerby)
Shell small, thin rather compressed; sculpture
smooth; anterior extremity very narrow
posterior side winged, ventral margin arcuted,
raising abruptly anterior wards, beaks very
acute, prominent, lunule excavated; cardinal
teeth large, pale green, nacre white
Ponds, rivers, lakes
Assam
Scabies crispata
( Gould
)
Shell strongly and deeply sculptured, zigzag
radial lines, with nodules; ridges transverse in
the anterior region and vertical in the posterior
region of the shell
Ponds, rivers, lakes
Assam: Sibsagar
Solenaia soleniformis
(Benson)
Shell soleniformis, elongate and rather narrow;
compressed, anterior end narrower; posterior
end broader and sloping; hinge without teeth
Ponds, rivers, lakes
Assam: Daleswari in Barak
River, Cacher; Mizoram
Lamellidens consobrinus
(Lea)
Shell broad, dorsal margin obliquely truncate
posterior end
Large wet lands, ponds, rivers beds, lakes
Andhra Pradesh, Maharashtra,
Puducherry, Tamil Nadu
Lamellidens corrianus
(Lea
Umbon less prominent, colour uniformly dark
Ponds, rivers beds, lakes
Common throughout India
Lamellidens generosus (Gould)
Posterior wing well developed
River beds, ponds, small water bodies
Arunachal Pradesh, Jharkhand
Lamellidens jenkinsianus
(Benson)
Shell transversely elongated, thick broader,
umbones more distinct and convex, anterior
posterior side sloping end short and rounded
Upper river beds with muds
Assam: Upper Brahmaputra
(Tezpur); Bihar: Bhagalpur
Sub sp. daccaensis (Preston)
Sub. sp. obesa (Hanley and Theobald)
Table 11.4
(continued)
Name
Key character for identifi cation
Habitat
Distribution
B. Tripathy and A. Mukhopadhayay
Paracrostoma martini (
Kohler and
Glaubrecht) ( 2007 ).
Data not available
Hill streams
Western Ghats
Bivalvia
Scaphula celox
(Benson)
Shell small, tumid, inside of the valves white,
elongately rhomboidal with a prominent keel
along the diagonal teeth of the valve, hinge
teeth 15–20, umbon prominent
Ponds, lakes, rivers mudfl ats of tidal infl uence
Madhya Pradesh, Orissa,
West Bengal
Scaphula deltae
(Blanford)
Strong ribs parallel to the posterior keel and far
greater timidity of the valves, nearly twice as
thick as the height
Ponds, lakes, rivers mudfl ats of tidal infl uence
Gangetic delta, Kolkata:
Rabindra Sarobar; Orissa:
Mahanadi river
Scaphula nagarjunai
(Janaki Ram and
Radhakrishna)
Shell very small, diagonal keel developed up to
the extreme end of posterior extremity
Large lakes
Andhra Pradesh: Guntur,
Khammam
Arcidopsis footei
(Theobald)
Shell elongate, a strong ridge running back and
down from the beaks, ventrally strongly
compressed in the anterior region
River system
Western Ghats
Physunio
( Velunio
) velaris
(Swerby)
Shell small, thin rather compressed; sculpture
smooth; anterior extremity very narrow
posterior side winged, ventral margin arcuted,
raising abruptly anterior wards, beaks very
acute, prominent, lunule excavated; cardinal
teeth large, pale green, nacre white
Ponds, rivers, lakes
Assam
Scabies crispata
( Gould
)
Shell strongly and deeply sculptured, zigzag
radial lines, with nodules; ridges transverse in
the anterior region and vertical in the posterior
region of the shell
Ponds, rivers, lakes
Assam: Sibsagar
Solenaia soleniformis
(Benson)
Shell soleniformis, elongate and rather narrow;
compressed, anterior end narrower; posterior
end broader and sloping; hinge without teeth
Ponds, rivers, lakes
Assam: Daleswari in Barak
River, Cacher; Mizoram
Lamellidens consobrinus
(Lea)
Shell broad, dorsal margin obliquely truncate
posterior end
Large wet lands, ponds, rivers beds, lakes
Andhra Pradesh, Maharashtra,
Puducherry, Tamil Nadu
Lamellidens corrianus
(Lea
Umbon less prominent, colour uniformly dark
Ponds, rivers beds, lakes
Common throughout India
Lamellidens generosus (Gould)
Posterior wing well developed
River beds, ponds, small water bodies
Arunachal Pradesh, Jharkhand
Lamellidens jenkinsianus
(Benson)
Shell transversely elongated, thick broader,
umbones more distinct and convex, anterior
posterior side sloping end short and rounded
Upper river beds with muds
Assam: Upper Brahmaputra
(Tezpur); Bihar: Bhagalpur
Sub sp. daccaensis (Preston)
Sub. sp. obesa (Hanley and Theobald)
Table 11.4
(continued)
Name
Key character for identifi cation
Habitat
Distribution
B. Tripathy and A. Mukhopadhayay