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Topic: Anomalocaris

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In the News (Tue 19 Mar 19)

Anomalocaris, meaning "odd shrimp" were large creatures indeed, probably the largest animals in the Burgess Shale or the Cambrian Era about 60 cm long.
Anomalocaris had a long, oval-shaped head, large eyes, feeding appendages at the front that look like combs, and a circular mouth underneath.
When Anomalocaris was first discovered in 1886 at the Ogygopsis trilobite beds, there was some uncertainty as to what the animal looked like.
library.thinkquest.org /3017/anomaloc.htm   (285 words)

 Anomalocaris - Wikipedia, the free encyclopedia
Anomalocaris ("unusual shrimp") is an extinct genus of anomalocarids, which are, in turn, thought to be closely related to the Arthropoda.
Anomalocaris was a swimming creature which possibly used flexible lobes on the sides of its body to propel itself through the water.
For the time in which it lived Anomalocaris was a truly gigantic creature, reaching lengths of an already large 60 cm (2 ft) to a staggering 2 m (6 ft 8 in).
en.wikipedia.org /wiki/Anomalocaris   (234 words)

 Welcome to Adobe GoLive 4
Anomalocaris was the largest creature on the planet when it lived 525 million years ago during the Cambrian evolutionary explosion.
Anomalocaris was so successful at the top of the food chain that it survived for 20 million years.
Anomalocaris shares some of the basic physical characteristics that we think Rods possess with its long body and fins running down the middle of the sides of its body.
www.roswellrods.com /ani.html   (296 words)

 Science: When monster shrimps ruled the world - 30 July 1994 - New Scientist
Anomalocaris, a fearsome marine creature up to two metres long, was the largest animal on Earth around 525 million years ago.
Anomalocaris looks so bizarre that for more than 70 years fossil parts from the Burgess Shale in British Columbia were classified as four separate animals before being brought together as one creature in the mid-1980s.
Anomalocaris or 'odd shrimp' is named for a pair of large, jointed, spiny feeding appendages protruding from its head.
www.newscientist.com /article/mg14319362.300-science-when-monster-shrimps-ruled-the-world-.html   (743 words)

 Cambrian Life
Anomalocaris shows its relation to the lobopodians by having lobopods for legs.
Thus Anomalocaris has traits that link it to the lobopods as well as to the arthropods.
Anomalocaris with both lobopods and arthropod appendages and possible incipient arthropod gills; and 4.
ircamera.as.arizona.edu /NatSci102/text/cambrian.htm   (1288 words)

 Species Accounts
It suggests that the animal was able to turn its head and swivel its eyes as it hunted (as depicted in Collins 1996).
Another image of the head of Anomalocaris canadensis also accentuates how narrow the anterior portion of the animal is. The distorted anterior swimming lobes appear at the bottom of the image, while the wide lateral reach of the anterior appendages indicate an impressive range of motion.
The anterior appendages, shown lying to each side of the mouth, are not as large as those of Anomalocaris canadensis, and bear long, delicate spines (visible in better-preserved specimens than this).
www.trilobites.info /species3.html   (818 words)

 Ars Electronica Center Project
"Anomalocaris" is an interactive work which represents a virtual creature through visual and haptic sensation.
Anomalocaris is the name of an animal that is supposed to have lived during the Cambrian Age.
Deformation of the virtual anomalocaris occurs according to the force applied by the participant.
www.aec.at /en/archives/center_projekt_ausgabe.asp?iProjectID=11205   (332 words)

 Class Dinocarida
While exceptional fossil preservation, skilful preparators, and comprehensive studies have revealed much about the palaeobiology of some of these formerly enigmatic metazoans, much work still needs to be done in order properly to address the more detailed aspects of anomalocarid anatomy and the interrelationships among the genera and species placed within the family.
The Emu Bay Shale anomalocarid Anomalocaris briggsi, known only from grasping appendages with extensive comb rows on all but the first podomere endites, also seems to be a confirmed sweep-feeder (Nedin 1995).
Briggs, D.E.G.; Mount, D.J.D. The occurrence of the giant arthropod Anomalocaris in the Lower Cambrian of Southern California, and the overall distribution of the genus.
www.peripatus.gen.nz /Taxa/Arthropoda/Dinocarida.html   (4428 words)

 Thinking For Food: Anomalocaris
Anomalocaris appears then disappears, and its next to impossible to link it to any previous ancestor or descendant species.
We don't have any idea how the neuroanatomy of Anomalocaris is arranged, and barring some miracle we find them swimming about a deep sea trench, we never will.
The problem we have with Anomalocaris (and with other Cambrian arthropod-like fossils) is the same problem we have with contemporary arthropods...
oikopleura.blogspot.com /2005/10/anomalocaris.html   (317 words)

 BBC - h2g2 - The Anomalocaris Jigsaw
The first person whose thoughts on this piece are recorded is a JF Whiteaves, who in 1892 thought it to be the abdomen (the bit that looks like a tail in a lobster or a prawn) of a crustacean.
It had stood to reason that there must be a head to go with the tail, so when a piece was found showing a head-like shape at the head end of the shrimp the obvious connections were made.
Far from being a relatively uninteresting collection of an odd prawn or centipede, an unusual jellyfish and a possible sea cucumber or strange sponge, it was in fact a gloriously ridiculous looking, never-seen-before, 60cm long predator of the Cambrian seas: the largest such known to date.
www.bbc.co.uk /dna/h2g2/A11102077   (1480 words)

 EXN.ca | Discovery
Well, thanks to some ingenuity on the part of Yoshiyuki Usami and his team at Kanagawa University, a Canadian fossil from about 540 million years ago has not only virtually come to life, but it seems it was quite the swimmer.
The long-extinct Anomalocaris, an anthropod-like predator that measured up to 60 centimetres, has begun to show its true colours as perhaps one of the most powerful swimmers of its day.
And while Usami and his team are unwilling to suggest their simulation is the only possible way the Anomalocaris moved from A to B, it has told them one thing.
www.exn.ca /Stories/1998/07/06/56.asp   (310 words)

 Predator Characteristics
Anomalocaris does not appear to be a member of the phylum Arthropoda.
Anomalocaris has been described as the most widely distributed organism in the Burgess Shale, as partial specimens have been found in Cambrian beds in China, Greenland, and around the world.
It is believed that it would have used its frontal appendages to place food in its mouth, and then the constricting mouth would have broken open the exoskeleton of its prey.
www.as.wvu.edu /coll03/bio/users/kgarbutt/public_html/EvolutionPage/Studentsites/Burgesspages/anomalo_4.html   (332 words)

 National Museum of Natural History - Paleobiology   (Site not responding. Last check: )
Anomalocaris is one of the most widely distributed of the Burgess Shale animals.
In addition to Canada and China, specimens have been unearthed in Cambrian deposits in Greenland and Utah.
Since these chunks resembled other kinds of simple animals (such as those shrimp-like front limbs), for a long time the separated pieces were interpreted to be individual animals.
www.nmnh.si.edu /paleo/shale/panomal.htm   (302 words)

Both sites share many genera such as the famous Anomalocaris and Hallucigenia, however the preservation of soft-tissue at Chengjiang is greatly superior to that of Burgess which at least partly accounts for some of the bizarre worms and early chordates that have only been found at the Chinese site.
Anomalocaris and its dinocarid kin were the world's first super-predators, creatures several orders of magnitude bigger and meaner than any of their contemporaries.
Dinocarids were armed with two big pincers and a weird, circular mouth that looked like a slice of pineapple (it’s under the head so you can’t see it in the picture).
www.geocities.com /ozraptor4/chengjiang.html   (498 words)

 Anomalocaris - Virtual wonders at The Natural History Museum
The strange predator Anomalocaris stalked the seas in the Cambrian Period, 540 million years ago.
Anomalocaris was widely distributed with finds in Australia, Canada, China, Greenland and Utah, USA.
This Anomalocaris model was created for the exhibition From The Beginning and you can see it in the gallery.
www.nhm.ac.uk /nature-online/virtual-wonders/vranomalocaris.html   (134 words)

Anomalocaris is a part of the contents of the FEELEX
Anomalocaris is the name given to an animal that was supposed to have lived during the Cambrian Era.
We use the DV format for compression of the motion picture, and the resolution of the image is 720 X 480.
intron.kz.tsukuba.ac.jp /vrlab_web/anomalocaris/anomalocaris_e.html   (125 words)

 Explanation of Burgess Shale picture   (Site not responding. Last check: )
In the foreground Anomalocaris has captured a hapless trilobite, sized in its anterior giant appendages which are manoeuvring the prey towards the armoured mouth.
On the seal floor from left to centre respectively are a solitary specimen of Wiwaxia and three specimens of Hallucigenia.
Further to the right is the lobopodian Aysheaia with its anterior prongs around the mouth, as well as the primitive arthropod Opabina which is a close relative of the larger Anomalocaris.
www.starcourse.org /crupics.html   (138 words)

Anomalocaris is one of the most widely distributed of the Burgess Shale animals.
Since these chunks resembled other kinds of simple animals (such as those shrimp-like front limbs), for a long time the separated pieces were interpreted to be individual animals.
No one was able to recognize Anomalocaris for what it was until complete specimens began to be found!
paleobiology.si.edu /burgess/anomalocaris.html   (239 words)

 [No title]
The "Song of Anomalocaris" is, well, a complete fabrication made up out of my own head while sitting on the tractor last week (or maybe the week before), mowing the back field and steaming to a nice lobster red color.
The length of the "Song of Anomalocaris" is felt to have great significance, but there are two opposing viewpoints on this which has resulted in no small contention.
In his efforts to complete the "Song of Anomalocaris", Professor Heiny urges all those finding fragements to forward the fragment (or at least a copy of it) to him for analysis and inclusion in the collection.
home.btconnect.com /rthearle/topoetry/anomalocaris.html   (521 words)

 Anomalocaris - Cambrian super-predator
Anomalocaris canadensis was about 60 cm long, which may not seem much in today's terms but was huge relative to anything else around during the Cambrian (some specimens seem to have been even larger - up to a meter or more).
It was originally believed to be three separate animals (the pineapple ring mouth was thought to be a jellyfish (Peytoia) - the large lobed body a sponge, and the grasping appendages the tail of a crustacean - that was the original "Anomalocaris").
It is frequently lumped with arthropods, on the basis of its jointed body; however, other creatures like annelids have also evolved a segmented body).
www.palaeos.com /Invertebrates/Arthropods/Anomalocarida/Anomalocarida.htm   (496 words)

A new species, Anomalocaris briggsi, endemic to the Emu Bay Shale.
Another species of Anomalocaris similar to some found in the Chengjiang fauna of southern China.
The important character in this species is the presence of large spines on the first segment of the appendage.
members.tripod.com /~Cambrian/Anomalocaris   (144 words)

 Biota of the Burgess Shale
Anomalocaris was originally described as an unusual shrimp-like animal (the name literally means "unlike other shrimp").
The complete Anomalocaris specimen showed a streamlined torpedo-shaped body (originally described as Laggania, a sea cucumber) with a mouth composed of constricting plates arranged in a circular pattern like the iris of a camera (originally described as Peytoia) a possible jellyfish.
The shrimp-like fossils were actually jointed, clawed appendages attached to the head of the animal which were used to grasp trilobites.
geol.queensu.ca /museum/exhibits/burgess/burgess_life.html   (378 words)

 Re: Somebody want an Anomalocaris?
I would be very interested in knowing who identified this specimen as anomalocaris.
There was an "anomalocaris" being sold a few years back from Utah, but it was most likely a sea cucumber...very rare nonetheless, but not an anomalocaris.
Several Anomalocaris specimen fragments have been found at the Marble Mountains in the past, but not as much as in the Burgess.
www.gtlsys.com /FossilForum/messages/10113.html   (550 words)

 A visit to the Burgess Shale   (Site not responding. Last check: )
This fossil is missing the two cheek-pieces on either side of the head, indicating that it is a molt.
For a long time the claws of Anomalocaris (as shown here) were thought to be the body of a small shrimp-like organism - hence the name Anomalocaris or "strange shrimp".
It is now known that these are only the grasping claws of an animal which could be fairly described as the "shark of the Cambrian ocean" (although it was an arthropod, and nothing like a shark).
www.mala.bc.ca /~earles/burgess   (1360 words)

Anomalocaris is the largest known Burgess Shale animal.
Anomalocaris was widely distributed with other finds in Australia, China, Greenland and Utah.
Anomalocaris swam with a series of lobes along the sides of the body.
www.fossilmuseum.net /Cambrian-Explosion/Anomalocaris/Anomalocaris.htm   (176 words)

 Anomalocaris, for , by Karen Carr and Karen Carr Studio, Inc.
Anomalocaris was a large marine creature from the Cambrian, known to paleontologists from a series of fascinating, but not always easy-to-understand, fossil finds in the Burgess Shale.
Anomalocaris is now the largest Cambrian animal known from the fossil record.
Any errors in the text are the fault of the Artist (and her webmaster) and are not a reflection on our clients.
www.karencarr.com /tmpl1.php?CID=364   (134 words)

 Wikijunior:Dinosaurs/Prehistoric Creatures Before the Dinosaurs - Wikibooks, collection of open-content textbooks
Some of the first creatures to live on Earth in the Cambrian were Haikouichthys, Trilobites, Jellyfish and a creature called Anomalocaris.
The Anomalocaris was 2 metres (6.5 feet) it had a hard shell that could split off if it was bent to far.
Anomalocaris lived in North America, China and Australia.The cambian started 543-490 million years ago.
en.wikibooks.org /wiki/Wikijunior:Dinosaurs/Prehistoric_Creatures_Before_the_Dinosaurs   (520 words)

 [No title]
At about 0.5 m in length Anomalocaris was the largest soft-bodied predator among the Burgess fauna.
The body was flanked by 11 pairs of fins which were used to propel the animal through the water.
The mouth of Anomalocaris is a story in itself.
park.org /Canada/Museum/burgessshale/misc1-3.html   (154 words)

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