ammonites
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Gateway to the Paleobiology Database
Margarites (Pupillaria) columbiana Squires and Goedert 1991

PaleoDB taxon number: 386447

Full reference: R. L. Squires and J. L. Goedert. 1991. New Late Eocene mollusks from localized limestone deposits formed by subduction-related methane seeps, Southwestern Washington. Journal of Paleontology 65(3):412-416

Belongs to Margarites (Pupillaria) according to R. L. Squires and J. L. Goedert 1991

Sister taxon: Pupillaria pupilla

Type specimen: LACMPI 8353, a shell. Its type locality is LACMIP 5802 Bear Creek, which is in a Priabonian marine limestone in Washington.