Stiff Pen Shell (GTM Research Reserve Mollusc Guide) · iNaturalist

Monoplex nicobaricus - Gastropods by Eddie Hardy

Photos of Stiff Pen Shell (Atrina rigida) · iNaturalist

Stiff Pen Shell, ATRINA RIGIDA

fennel-leaf pondweed (Santa Cruz Island Reserve, California-Plants

Photos of Stiff Pen Shell (Atrina rigida) · iNaturalist

Minor Jackknife Clam (GTM Research Reserve Mollusc Guide

Sachem (GTM Research Reserve Butterfly Guide) · iNaturalist

Stiff Pen Shell, ATRINA RIGIDA

Monoplex nicobaricus - Gastropods by Eddie Hardy