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Popular traits
15 pen shells species
Pinna exquisita
Atrina oldroydii
Atrina recta
Pinna rugosa
Atrina tuberculosa
Atrina maura
Pinna bicolor
Atrina serrata
Atrina rigida
Pinna trigonalis
Pinna carnea
Atrina seminuda
Pinna rudis
Atrina vexillum
Pinna muricata
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