Both these records appear to have been eclipsed by the latest specimen, whose age, between 405 and 410 years, has been assessed by counting the annual growth lines in the shell.

• 但这两项纪录在最新标本前均黯然失色，通过计算贝壳上的年轮可确定新发现蛤蜊的年龄介于405到410岁之间。