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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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