Prof. Robert W. Sayles, Harvard research associate in geology, with mid-Cambrian fossil specimen of tribolite (crab) which he found among 50 others at a Quincy quarry. These fossil specimens are 500,000000 years old.

Digital Commonwealth — Boston Public Library

Prof. Robert W. Sayles, Harvard research associate in geology, with mid-Cambrian fossil specimen of tribolite (crab) which he found among 50 others at a Quincy quarry. These fossil specimens are 500,000000 years old.

[ca. March 1937]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Fossil

🔒

Order museum-quality prints

Sign in to order prints, canvas, and more of this work. Browsing and full-resolution downloads stay free.