Search results for leech cocoon

Plants & Animals Nov 11, 2019

Gimme shelter: Seven new leech species call freshwater mussels home

The frequent presence of leeches with a hidden lifestyle in the mantle cavity of freshwater mussels has been recorded since the second half of the 19th century. Yet this was, until now, regarded as an accidental phenomenon. ...

Archaeology Jul 20, 2015

Five bizarre fossil discoveries that got scientists excited

From trilobites to tyrannosaurs, most fossils are of creatures with hard shells or bones. These materials don't easily biodegrade and sediment has time to build up around them and turn them into a record of the creature that ...

Archaeology Jul 15, 2015

50 million year old sperm cells found in fossilized cocoon

(Phys.org)—A small team of researchers with members from institutions in Sweden, Argentina and Italy, has discovered fossilized sperm cells embedded in the walls of an ancient cocoon. In their paper published in the journal ...

Archaeology Dec 4, 2012

Researchers find fossilized ciliate in 200 million year old leech cocoon

(Phys.org)—Palaeobiologists from the University of Kansas studying samples taken from the mountains of Antarctica have found a ciliate fossil embedded in the wall of a fossilized leech cocoon which was itself embedded in ...

Jul 23, 2008

Rutgers biologist to study worms in Amazon, glaciers

Look out, Indiana Jones. Dan Shain is redefining the term "summer action hero" with voyages to frozen glaciers and the steamy Amazon planned, all in the name of scientific research.