Pecten caurinus Gould, exterior of right valve, a little less than half natural size #1; Pecten hindsii navarchus Dall, exterior of right and left valves, respectively #2/3; Axinopsis sericatus Carpenter, Typical Specimen #4.
The genera vermium exemplified by various specimens of the animals contained in the orders of the Intestina et Mollusca Linnaei :.London :Printed for the author by James Dixwell ..., and sold by John Sewell ..., B. White and Son ..., and P. Elmsley ...,1783-1788..biodiversitylibrary.org/page/29389822
Pecten Jordani Arnold, Exterior of Right Valve #1;; Pecten Jordani Arnold, Exterior of Left Valve #2; Lyonsia pugetensis Dall, Exterior of Left Valve #3.