Stiff Pen Shell, ATRINA RIGIDA
![Stiff Pen Shell, ATRINA RIGIDA](https://www.backyardnature.net/n/14/141207at.jpg)
Found on beach Northern Florida Atlantic Ocean. Large 7'x 3.5 Stiff Pen Shell. Unusual to find almost intact Pen shell due to their fragile nature.
![](https://i.ebayimg.com/images/g/6CkAAOSwredhM6bU/s-l1200.webp)
Stiff Pen Shell Large Atlantic Ocean North Florida Atrina Rigida
![](https://www.aphotomarine.com/images/marine_bivalves/bivalve_atrina_rigida_28-01-16_6.jpg)
Atrina rigida (Lightfoot, 1786) - Stiff pen shell (Marine bivalve images)
![](https://c8.alamy.com/comp/2K8GG63/a-stiff-pen-shell-along-with-other-seashells-washed-ashore-at-bowmans-beach-prior-to-hurricane-ian-on-sanibel-island-in-florida-2K8GG63.jpg)
Atrina rigida hi-res stock photography and images - Alamy
![](https://www.mitchellspublications.com/guides/shells/articles/0046/01-image.jpg)
American Stiff Pen Shell (Atrina rigida Lightfoot, 1786): Byssal Threads
![](https://static.wixstatic.com/media/b551c0_d9edb93ac5ed4de793b93a5c54bb6919~mv2.jpg/v1/fill/w_2400,h_3000,al_c,q_90/rigida.jpg)
Stiff Pen Shell: Atrina rigida (Lightfoot, 1786)
![](https://www.aphotomarine.com/images/marine_bivalves/bivalve_atrina_rigida_28-01-16_1.jpg)
Atrina rigida (Lightfoot, 1786) - Stiff pen shell (Marine bivalve images)
![](https://static.wixstatic.com/media/f867c2_6959666d30b748759b8db0d1d74e3f3d~mv2.jpg/v1/fill/w_1000,h_409,al_c,q_85,usm_0.66_1.00_0.01/f867c2_6959666d30b748759b8db0d1d74e3f3d~mv2.jpg)
The Half-naked Pen Shell
![](https://www.backyardnature.net/n/14/141207at.jpg)
Stiff Pen Shell, ATRINA RIGIDA
![](https://www.thoughtco.com/thmb/VSBOrk3mmyHVx2Uzs5oESUOovGg=/275x0/filters:no_upscale():max_bytes(150000):strip_icc()/shutterstock_504747-56a006f45f9b58eba4ae8c6b.jpg)
Stiff Pen Shell (Atrina rigida)
![](https://www.thoughtco.com/thmb/pOVQSXYg9BaU-yJEjb--Y4seNLg=/275x0/filters:no_upscale():max_bytes(150000):strip_icc()/463728091-56a5f6dd3df78cf7728abd08.jpg)
Stiff Pen Shell (Atrina rigida)
![](https://s3.animalia.bio/animals/photos/full/original/atrina-rigida-28specimen-329.webp)
Atrina rigida - Facts, Diet, Habitat & Pictures on
![](https://i.etsystatic.com/43827469/r/il/0348ee/5213580506/il_570xN.5213580506_23ir.jpg)
Penshells, Iridescent Fan Shaped Shells, Choice: 30 Pcs 2-3 or 20 Pcs 3-6 Unique Crafting Shells, Florida Penshell.
![](https://www.thoughtco.com/thmb/6Zy5EP5Oix9UnULXXVn9wlwAeT0=/275x0/filters:no_upscale():max_bytes(150000):strip_icc()/high-angle-view-of-mussels-on-rock-680850985-59e6923b03f402001130fbbc.jpg)
Stiff Pen Shell (Atrina rigida)