Four bivalve specimens from Antarctica’s Seymour Island analyzed in the University of Michigan study, showing the range of sizes of the different mollusks. Species names clockwise from the top shell: ...

The fossil record may not be perfect, but it passed a critical test with flying colors, according to a study by University of Chicago paleontologist Susan M. Kidwell published in the Feb. 11 issue of ...

Top of the encrusted surface of a brachiopod shell, showing the "war" between an edrioasteroid (star-shaped organism at center) and a fast-growing bryozoan colony. From Sprinkle and Rodgers 2010. Back ...

A new paleontology study by UChicago researchers discovered that rock-boring clams, known as bivalves, vary in shape despite performing the same function. This paper is one of the first major studies ...

The deep sea is a dark, cold place. It's just a few degrees above freezing, subject to immense pressure, and beyond the reach ...

The kelp forests that hug the Pacific coastline are an underwater jungle, a thicket of colossal algae intermixed with a pageant of life - snails, urchins, sea lions, sea otters. Now there's new proof ...

Ancient fossils unearthed in Morocco reveal parasitic worms burrowing into mollusc shells approximately 480 million years ago, pushing back the known timeline for parasitism by 60 million years. This ...

Newly discovered kelp fossils peg their existence to 32 million years ago. These fossils may help explain how the Pacific Ocean's underwater 'forests' came to be. The kelp forests that hug the Pacific ...