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TELLINIDAE |
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Click on an image to enlarge
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Sylvanus
lilium
(Hanley, 1844) Description: Shape
elongate, wedge-shaped, umbo at posterior third. Antero-dorsal margin
straight to slightly convex, postero-dorsal margin weakly concave.
Angulation from umbo to posterior end on both valves, shell twisted at
posteroventral margin. Exterior with weak irregular commarginal
ridges, stronger ventrally and on posterior end. Interior with
muscle scars well defined, pallial sinus deep.
Hinge left valve with 2 cardinals, anterior one bifid,
posterior 1 narrow; right valve with 2 nearly equal cardinals; laterals
weak. Ligament external, short. Shell colour white
internally and externally. Size:
Up
to 30 mm in length. Distribution:
Indo-West Pacific. In Australia, from central WA around northern
Australia to Sydney, NSW. Habitat: Restricted
to sheltered waters. In NSW, found in harbours and estuaries, not on
ocean surf beaches. Synonymy: Huber (2015, p. 732) created the new
genus Sylvanus with this species as type and discussed the
species and its synonymy in detail. Fig.
1:
Lane Cove River, Sydney Harbour, NSW (C.015879) |
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