Feb 18, 2025
#2801 - Parapholas californica - Scaleside Piddock
AKA Parapholas janellii, Pholas californica, and Pholas janellii.
A rock-boring clam found in shale, mudstone, chert and hard sand along the Pacific coast of North America. They line the tunnel with a chimney made of small rock fragments glued together with calcium carbonate, and the chimney may protrude a short way into the water column.
Otago Museum, Dunedin, Aotearoa New Zealand