Shell Family of Taiwan
Tridacnidae 硨磲蛤科contain8 species in Taiwan，show1 - 8
 
Tridacnidae 硨磲蛤科：Shell large to very large, thick, apparently subequilateral, equivalve, usually with byssal gape. Living on coral debris, or boring in corals, holding ventral margin upward, which is a result of the special feeding relationship with zooxanthellae in mantle tissue. Hinge plate with 1 cardinal tooth and 1 or 2 posterior lateral teeth. Posterior adductor muscle and posterior pedal retractor muscle shifting to central portion of shell, and anterior adductor muscle wanting. Parivincular ligament well developed. Restricted to intertidal to upper subtidal zones in the Indo-West Pacific.
Senitfic Name
Chinese Name
omenclator
photo
 Hippopus hippopus 菱硨磲蛤  (Linnaeus, 1758)  
 Tridacna cookiana   (Iredale)  
 Tridacna crocea 圓硨磲蛤  Lamarck, 1819  
 Tridacna derasa 扇硨磲蛤  (Roading, 1798)  
 Tridacna elongata   Lamarck  
 Tridacna gigas 巨硨磲蛤  (Linnaeus, 1758)  
 Tridacna maxima 長硨磲蛤  (Roeding, 1798)  
 Tridacna squamosa 鱗硨磲蛤  Lamarck, 1819