News tagged with annelids
Scientists Use MicroRNAs to Track Evolutionary History for First Time
(PhysOrg.com) -- A team of scientists from Yale University and Dartmouth College has used microRNA data to investigate the evolutionary relationships of annelids, which include earthworms, leeches and bristle ...
Sep 09, 2009 |
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Scientists discover new species of crustacean on Lanzarote
They gracefully swim through the complete darkness of submarine caves, constantly on the lookout for prey. Instead of eyes, predatory crustaceans of the class Remipedia rely on long antennae which search the li ...
Aug 24, 2009 |
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Search results for annelids
Human origins traced to worm fossil in Canada
(PhysOrg.com) -- Most primitive known vertebrate and therefore the ancestor of all descendant vertebrates, including humans, discovered.
Other Sciences / Archaeology & Fossils
Mar 05, 2012 |
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Simple nerve cells regulate swimming depth of marine plankton
As planktonic organisms the larvae of the marine annelid Platynereis swim freely in the open water. They move by activity of their cilia, thousands of tiny hair-like structures forming a band along the larval ...
Oct 18, 2011 |
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Peanut worm no longer recognized as separate group
Recent molecular phylogenetic analysis has shown that the marine animals known as peanut worms are not a separate phylum, but are definitely part of the family of annelids, also known as segmented worms. This ...
Mar 03, 2011 |
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Bizarre squidworm discovered
The bizarre, newly-revealed squidworm -- a free-swimming worm with up to 10 squid-like limbs -- is one of a host of strange discoveries that await scientists in the vast, largely unexplored spaces of the deep ...
Nov 23, 2010 |
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Segmentation is the secret behind the extraordinary diversification of animals
Segmentation, the repetition of identical anatomical units, seems to be the secret behind the diversity and longevity of the largest and most common animal groups on Earth. Researchers from CNRS and Universite ...
Jul 16, 2010 |
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Fossil find fills in picture of ancient marine life
Paleontologists have discovered a rich array of exceptionally preserved fossils of marine animals that lived between 480 million and 472 million years ago, during the early part of a period known as the Ordovician. ...
Other Sciences / Archaeology & Fossils
May 13, 2010 |
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Rare armor-plated creature discovered in Canada's capital
Scientists have unearthed the remains of one of the Worlds rarest fossils - in downtown Ottawa. The 450 million year old fossil preserves the complete skeleton of a plumulitid machaeridian, one of only 8 such specimens known. ...
Other Sciences / Archaeology & Fossils
Mar 16, 2010 |
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New species discovered on the Great Barrier Reef
Between the grains of sand on the sea floor there is an unknown and unexplored world. Pierre De Wit at Gothenburg University knows this well, and has found new animal species on the Great Barrier Reef, in ...
Mar 08, 2010 |
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MicroRNA: A glimpse into the past
The last ancestor we shared with worms, which roamed the seas around 600 million years ago, may already have had a sophisticated brain that released hormones into the blood and was connected to various sensory organs. The ...
Feb 01, 2010 |
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Story of 4.5 million-year-old whale unveiled in Huelva
In 2006, a team of Spanish and American researchers found the fossil remains of a whale, 4.5 million years old, in Bonares, Huelva. Now they have published, for the first time, the results of the decay and ...
Other Sciences / Archaeology & Fossils
Dec 15, 2009 |
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List of search results for annelids
