Zombie Worms Discovered in Mediterranean Whale Bone
November 3, 2011 12:16 PM
comment(s) - last by
The Osedax worm
(Source: University of Leeds)
Researchers believe the Osedax genus may be responsible for dissolving bone before they became fossils, which may have affected the fossil record
Researchers from the University of Leeds have discovered a type of zombie-like
in the Mediterranean, which may be a clue as to how this bone-eating worm affects fossil records.
The zombie worm, which is of the Osedax genus, does not have a mouth or gut, but consumes bone by growing root-like tissues. These tissues dissolve the bone as they grow. The Osedax were first discovered alive in Monterey Bay, California in 2002, where they were feeding on the bones of a gray whale. Ever since, researchers have wondered how these creatures may have affected fossil records.
But this is no easy task. Learning when and where the Osedax evolved has been a challenge because they are soft-bodied and do not preserve as fossils. Yet understanding the Osedax could provide more insight into lost parts of the fossil record due to these worms eating the bones before they could
The Osedax may not leave fossils behind, but they do leave their bulb-shaped cavities that they form in a bone. This has allowed Nicholas Higgs, study leader and University of Leeds researcher, to trace their beginnings. Last year, Higgs traveled to the Mediterranean and used micro-CT scanning technology to find traces of the Osedax.
Now, the bulb-shaped cavities have been found in a 3-million-year-old fossil whale bone from Tuscany, Italy. This is the first time the Osedax have been found in this region, and leads researchers to believe that the Osedax were widespread throughout the world's oceans millions of years ago.
According to Higgs, the Mediterranean dried up nearly six million years ago, and about half a million years later, it re-flooded from the Atlantic.
"So finding out that Osedax were feeding on this whale bone three million years ago tell us that their ancestors must have also been living in the Atlantic as well, because the Mediterranean was re-colonized 5.5 million years ago from the Atlantic. There are 20 different species in Monterey, California alone, so it's almost certain there are many more out there. If Osedax were living in the Mediterranean three million years ago, there's no reason why they aren't living there now."
was published in
University of Leeds
This article is over a month old, voting and posting comments is disabled
RE: Zombie Worm?
11/5/2011 10:15:43 AM
If Steve was spelling it, there'd be a much more interesting zombie article than this one...
"We shipped it on Saturday. Then on Sunday, we rested." -- Steve Jobs on the iPad launch
Georgia Tech Researchers Use Illumination System to Control Worm Movement
January 17, 2011, 3:14 PM
Fossil Discoveries Indicate Primates Originally Evolved in Asia
October 27, 2010, 4:10 PM
Ancient Aliens? 11.2 Billion Year Old Solar System Discovered
January 29, 2015, 12:09 PM
Swarm of GMO Mosquitoes Set to Fly in South Florida
January 27, 2015, 6:40 PM
Crowdfunded Sex Toy Lets You Control the Action From Your Wii Nunchuk
January 15, 2015, 3:42 PM
Elon Musk Plays Warcraft; But Still Finds Time to Sleep, Build a Mars Colony Ship
January 6, 2015, 9:54 PM
SpaceX Scrubs Falcon 9 Launch to ISS, Barge Landing Test, Friday Redo Targeted
January 6, 2015, 4:02 PM
Quick Note; Wreckage of Malaysian-Owned Passenger Jet Found
December 30, 2014, 12:42 PM
Most Popular Articles
Under the Hood: How DirectX 11.3 and 12 Will Supercharge Windows 10 Gaming
January 23, 2015, 12:34 PM
2016 Cadillac CTS-V Packs 640 hp Punch with 200 mph Reach
January 23, 2015, 3:25 PM
Google Fixes Homophobic "Bug" in its Translator
January 27, 2015, 2:31 PM
Microsoft Shows Off Latest Windows 10 Build, Preps it for Next Week Release
January 21, 2015, 2:57 PM
Microsoft to Close Nokia Store, May Lose Over a Hundred Thousand Apps
January 26, 2015, 11:15 AM
Latest Blog Posts
Sceptre Airs 27", 120 Hz. 1080p Monitor/HDTV w/ 5 ms Response Time for $220
Dec 3, 2014, 10:32 PM
Costco Gives Employees Thanksgiving Off; Wal-Mart Leads "Black Thursday" Charge
Oct 29, 2014, 9:57 PM
"Bear Selfies" Fad Could Turn Deadly, Warn Nevada Wildlife Officials
Oct 28, 2014, 12:00 PM
The Surface Mini That Was Never Released Gets "Hands On" Treatment
Sep 26, 2014, 8:22 AM
ISIS Imposes Ban on Teaching Evolution in Iraq
Sep 17, 2014, 5:22 PM
More Blog Posts
Copyright 2015 DailyTech LLC. -
Terms, Conditions & Privacy Information