Sawtooth Pen Shell (Marine Invertebrates of Jekyll Island, GA) · iNaturalist
![Sawtooth Pen Shell (Marine Invertebrates of Jekyll Island, GA) · iNaturalist](https://inaturalist-open-data.s3.amazonaws.com/photos/1060110/large.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/97/Atrina_sp._%28pen_shell%29_on_marine_beach_%28Cayo_Costa_Island%2C_Florida%2C_USA%29_%2824327570435%29.jpg/640px-Atrina_sp._%28pen_shell%29_on_marine_beach_%28Cayo_Costa_Island%2C_Florida%2C_USA%29_%2824327570435%29.jpg)
File:Atrina sp. (pen shell) on marine beach (Cayo Costa Island, Florida, USA) (24327570435).jpg - Wikimedia Commons
![](https://inaturalist-open-data.s3.amazonaws.com/photos/11163497/large.jpg)
Photos of Amber Pen Shell (Pinna carnea) · iNaturalist
![](https://static.inaturalist.org/photos/49718794/medium.jpg)
Photos of Noble Pen Shell (Pinna nobilis) · iNaturalist
![](https://inaturalist-open-data.s3.amazonaws.com/photos/11163495/original.jpg)
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![](https://www.joelsartore.com/wp-content/uploads/stock/INS009/INS009-00123.jpg)
INS009-00123 - Joel Sartore
![](https://i0.wp.com/blog.pensoft.net/wp-content/uploads/2022/11/Cymatioa-cooki-rainbow-scaled.jpg?ssl=1)
A Needle in a Coastal Haystack
![](https://inaturalist-open-data.s3.amazonaws.com/photos/11607214/original.jpeg)
Photos of Stiff Pen Shell (Atrina rigida) · iNaturalist
![](https://floridensis.files.wordpress.com/2023/09/2013-11-30-at-13-20-13.jpg?w=2400&h=1350&crop=1)
Atrina serrata, 30 November 2013 (ii) – floridensis
![](https://inaturalist-open-data.s3.amazonaws.com/photos/181321770/original.jpeg)
Photos of Pearl Kite (Gampsonyx swainsonii) · iNaturalist
![](https://inaturalist-open-data.s3.amazonaws.com/photos/51012329/original.jpg)
Photos of Stiff Pen Shell (Atrina rigida) · iNaturalist
![](https://inaturalist-open-data.s3.amazonaws.com/photos/9446502/original.jpg)
Photos of Cart-Rut Shell (Dicathais orbita) · iNaturalist
![](http://1.bp.blogspot.com/_jipEVuJYCF0/TSxFAaK5OII/AAAAAAAAAOo/JDR5kq__FTE/s1600/pen%2Bshell%2B6.jpg)
professor fish heads: The magnificent Pen Shell
![](https://static.inaturalist.org/photos/5910807/large.jpeg)
Photos of Amber Pen Shell (Pinna carnea) · iNaturalist