Pinnidae - Wikipedia

Pinna rugosa, Rugose pen shell

Pinna (bivalve) - Wikipedia

Pinna rudis - Wikipedia

Pinna nobilis, common name the noble pen shell or fan mussel Greece by Theo

Atrina serrata - Wikipedia

File:Naturalis Biodiversity Center - ZMA.MOLL.414421 - Atrina vexillum (Von Born, 1778) - Pinnidae - Mollusc shell.jpeg - Wikimedia Commons

Aviculopinna & Meekopinna, a Genus of Pinnid - Fossils of Parks Township

Noble Pen Shell (Pinna nobilis) · iNaturalist United Kingdom

Pinna carnea - Wikipedia

Pinnidae - Alchetron, The Free Social Encyclopedia

File:Naturalis Biodiversity Center - ZMA.MOLL.414297 - Atrina strangei (Reeve, 1858) - Pinnidae - Mollusc shell.jpeg - Wikimedia Commons

File:Naturalis Biodiversity Center - RMNH.MOL.318817 - Atrina pectinata (Linnaeus, 1767) - Pinnidae - Mollusc shell.jpeg - Wikimedia Commons

Large Pen Shell - 2 halves Taxidermy wall mount - Pinnidae sp. - 68 cm - 21 cm - 9 cm - Non-CITES species - Catawiki

Atrina zelandica - Wikiwand

Pinnidae - Wikipedia