Florent's Guide To The

Tropical Reefs

Prickly Pen Shell
Pinna muricata
Prickly Pen Shell
Category: Pen Shells
Scientific Name: Pinna muricata
Size: Up to 12 in. (30 cm)  
Distribution: Indo-Pacific
Mollusca (Phylum) Mollusks
└Bivalvia (Class) Bivalves
 └Ostreida (Order) Oysters and Allies
  └Pinnoidea (Superfamily)
   └Pinnidae (Family) Pen Shells
    └Pinna (Genus)
     └P. muricata (Species)
WoRMS ID: 207895🔗
iNaturalist ID: 193940🔗

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© 2026 Florent Charpin