Bivalia -> Spondylidae -> Spondylus Naural cluster
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| Naural cluster
of Spondylus zonalis & Spondylus barbatus
Lamarck, 1819
Philippines, 90 mm | Spondylus sinensis on Malleus
Schreibers, 1793
Queensland Australia
size 60 mm body | |
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| Spondylus barbatus on M. endivia
Reeve, 1856
Philippines, 68 mm | Spondylus barbatus on M. endivia
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