Stiff Pen Shell (Atrina rigida)
![Stiff Pen Shell (Atrina rigida)](https://www.thoughtco.com/thmb/S2O3dyY4Rde41225y4jdWhFz3pQ=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-647345036-5c84a35546e0fb00017b30ea.jpg)
Facts about the stiff pen shell (Atrina rigida), including pen shell classification, feeding, habitat, distribution, reproduction, and human uses.
![](https://www.jaxshells.org/crab1711.jpg)
Atrina rigida (John Lightfoot, 1786) Stiff Penshell And Symbiont
![](https://www.jeffpippen.com/mollusca/pen-shell101229-1166marcoz.jpg)
Marine Clams / Bivalves
![](https://www.backyardnature.net/n/14/141207au.jpg)
Stiff Pen Shell, ATRINA RIGIDA
![](https://inaturalist-open-data.s3.amazonaws.com/photos/30940434/large.jpeg)
Stiff Pen Shell (Atrina rigida) · iNaturalist NZ
![](https://static.inaturalist.org/photos/10606928/large.jpg)
Photos of Stiff Pen Shell (Atrina rigida) · iNaturalist
![](https://c8.alamy.com/comp/2K8GG62/a-pair-of-stiff-pen-shells-along-with-other-seashells-washed-ashore-at-bowmans-beach-prior-to-hurricane-ian-on-sanibel-island-in-florida-2K8GG62.jpg)
Atrina rigida hi-res stock photography and images - Alamy
![](https://l450v.alamy.com/450v/d67cwg/a-stiff-pen-sea-shell-atrina-rigida-held-in-a-hand-at-sanibel-island-d67cwg.jpg)
Atrina rigida hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/S40AYA/a-rigid-pen-shell-found-on-a-beach-in-naples-florida-S40AYA.jpg)
Atrina rigida hi-res stock photography and images - Alamy
![](https://www.backyardnature.net/n/14/141207at.jpg)
Stiff Pen Shell, ATRINA RIGIDA
![](https://inaturalist-open-data.s3.amazonaws.com/photos/11607214/original.jpeg)
Stiff Pen Shell (Atrina rigida) · iNaturalist Australia
![](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.aphotomarine.com/images/marine_bivalves/bivalve_atrina_rigida_28-01-16_4.jpg)
Atrina rigida (Lightfoot, 1786) - Stiff pen shell (Marine bivalve images)