ALTHOUGH Wells 1 and Scrutton 2 suggested methods of studying fossils to determine probable changes in day length, few studies have followed these suggestions. We have examined fossil bivalve shells ...

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 ...

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 ...

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: ...

Time isn’t as constant as we might think. The Earth’s rotation is changing, which affects how many hours are in a day and how many days in a year. Now palaeontologists have managed to precisely ...

For the first time, a giant alatoconchid bivalve fossil has been discovered by researchers in Central China's Hubei Province, offering crucial new evidence for understanding one of Earth's major ...

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 ...

This is a preview. Log in through your library . Abstract Paleoecological studies enhance our understanding of biotic responses to climate change because they consider long timescales not accessible ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Stewart Edie, Smithsonian Institution (THE CONVERSATION) About 66 million years ago – ...