Spiral axis of Archimedes bryozoan
Archimedes was a bryozoan possibly living in association with an alga From the Lower Carboniferous limestone Iowa USA c 350 330 million years old
Size: 4682px × 3754px
Photo credit: © Natural History Museum, London / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: alga, archimedes, axis, bryozoan, carboniferous, chain, colonial, limestone, spiral, triangular
