1877 VI. 538/2 The Pinna Pea Crab..makes its home in the pinna shell.
a1933 J. A. Thomson (1934) I. xvii. 443 The male toad-fish..lays its adhesive eggs in the hollow of an empty Pinna shell and mounts guard over them.
1986 56 158/1 The epifauna on Pinna shells in Australia seem not to be limited by resources.