Researchers expand dating of marine animals to brachiopods
...elevance to humans was unrecognized. The shells of brachiopods are made of calcite, and, within the calcite, amin... clams have been used for amino-acid dating, using brachiopods is new. Most previously studied brachiopod assemblages have been found in cold waters off the coasts...Brazilian shellfish may improve understanding of ancient world
...tinental shelf off southeast Brazil. The Brazilian brachiopods are the best modern analogy for the life and times...g the encrustation, or colonization, of the modern brachiopods by oysters, bryozoans -- or "moss animals," and, in particular, worm tubes. There has been no large-...Encrustation provides clues about ancient seas
...ropical / subtropical site where both bivalves and brachiopods occur in abundance in the present day, or at least...is the first opportunity we really have to compare brachiopods and bivalves in the modern world." "As it turns out," he said, "epibionts appear to preferentially ...A picture is worth a thousand miles not traveled to measure the fossil of an ancient sea creature
...walewski addressed the first question by measuring brachiopods in photos and then measuring the actually specimen...xed fossils originally collected for 41 species of brachiopods and 45 species of bivalves from a half-dozen countries. "The distribution of those th...