‘Ovation worm’: Bizarre new Burgess Shale species detailed in journal

New Burgess Shale species detailed in journal

The worm stands upright and raises its spindled arms above its head as if giving a hearty ovation.

Researchers with the Royal Ontario Museum in Toronto detailed the 500-million-year-old critter for the first time in a study that is to be published Tuesday in the journal BMC Evolutionary Biology.

The bizarre creature, no bigger than a thumb, lived under water in a spot that is today a shale-strewn mountain ridge in British Columbia’s Yoho National Park.

It has been dubbed Ovatiovermis cribratus, from the Latin “ovatio” meaning ovation and “vermis” meaning worm. Cribratus comes from “sieve” — the study’s authors believe the worm used its spiky forelimbs to comb through Cambrian waters for food particles.

“We’re not speculating if it was very happy or not, but it was waving its arms like someone doing an ovation, so we called it the worm that does an ovation — the ovation worm,” said University of Toronto PhD candidate Cedric Aria, who co-authored the study.

Ovatiovermis had 18 limbs — four long spiky ones in front, eight shorter ones along its midsection and six stubby ones in the back with recurved claws, which are believed to have been used for anchoring.

Lead study author Jean-Bernard Caron, senior curator of invertebrate paleontology at the ROM, said it’s a mystery how Ovatiovermis would have defended itself from predators.

“This animal is completely naked, if I can say that. It doesn’t have any spines or plates,” said Caron, an associate professor at the University of Toronto.

“We obviously cannot prove it — and it’s speculative at this stage —but one possibility is that it developed some sort of coloration or toxicity that would have had an effect on potential predators.”

Ovatiovermis bears some resemblance to creepy crawlies populating the Earth today: arthropods, the largest category of animal life that includes insects, crustaceans and spiders. It also has some things in common with more obscure life forms such as the water bear and velvet worm.  

There are two known Ovatiovermis specimens, both found in Walcott Quarry, one of the sites that make up the Burgess Shale.

The Burgess Shale, discovered more than a century ago, is a rich repository of Cambrian-age fossils and a UNESCO World Heritage Site. The animals’ squishy bodies, encased in sediment, enabled them to be preserved in the rock in striking detail.

The public can only access Walcott Quarry, in the B.C. Rockies about 200 kilometres west of Calgary, through pre-booked tours arranged by Parks Canada or the Burgess Shale Geoscience Foundation. Participants are warned that removing fossils from the site is against the law.

The first Ovatiovermis specimen was found in 1994, but the ROM’s fossil collection is so vast that researchers didn’t get around to examining it until more than two decades later.

Caron had just wrapped up a paper about it last year when he went on a Burgess Shale hike and Parks Canada staff showed him an unusual fossil a visitor came across in 2011.

He recalls jumping at the sight of it.

“This second specimen nicely confirmed our interpretations of the morphology of the animal, and it shows that serendipity can sometimes help researchers in strange ways. The visitor who found that second specimen was certainly very, very lucky,” said Caron, who added the paper was revised to include the second specimen.

“What are the odds of finding such a rare animal on a casual guided hike, while teams of researchers in the past 100 years found only one during extensive quarrying operations?”

Lauren Krugel, The Canadian Press

Just Posted

Outbreak at Okanagan hospital

Gastrointestinal illness reported at Vernon Jubilee Hospital

Kelowna public menorah lit tonight to celebrate Hanukkah

The menorah will be lit tonight after celebrations at 5 p.m. in Stuart Park

Big Band supports children with disabilities in Lake Country

Proceeds from the Okanagan Big Band performance in Vernon supports local kids

Were your hockey cards stolen?

The Kelowna RCMP are looking to reunite a hockey fan with their cards

RCMP look to reunite owner with stolen tools

Kelowna police seek to identify the owner of tablet and tools seized by RCMP

VIDEO: New series takes in-depth look at sexual harassment in B.C.

Black Press takes a hard look at sexual harassment in B.C.

Horgan says pot smokers may face same outdoor rules as cigarette smokers

B.C. is developing its rules on recreational marijuana

Dedicated volunteers look for clues

Police appreciate work of those who provide extra eyes for missing women investigations.

Truck driver volunteers to take dog lost in B.C. back home to Alberta

Frankie, a pit bull service dog, was found wandering in the Lower Mainland

B.C. teacher suspended after explicit images projected to class

Jeffrey Rohin Muthanna had been viewing porn on a school laptop for two years

Man who pledged to give B.C. hockey team millions charged with fraud

Mike Gould has since repaid $8,000 he allegedly owed Cranbrook restaurant, owner says

Horgan on Site C: ‘dammed’ if did, ‘dammed’ if he didn’t

B.C. premier didn’t like keeping massive hydro damn project going, but felt he had to

Strong economy fuels housing sales in B.C.: report

Economist says demand for houses is being supported by a large number of millennials entering the market

Tequila, hammers and knives: what not to bring on an airplane

Vancouver International Airport staff provide tips on travelling during the holidays

Most Read