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Showing results for tags 'cambrian'.
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From the album: Anomalocaris and friends.
Plate with a couple Cambrian Maotunia sp. trilobites. One positive and one negative. From Shandong, China. -
From the album: Anomalocaris and friends.
I have identified this Wheeler Shale fossil as Caryosyntrips sp. (The Burgess species are serratus, but this is much younger and a different location so is most likely a new species). It was thought to be Anomalocaris sp. I have sent this fossil to Dr Allison Daley of Oxford for study. The Caryosyntrips has only ever been found at the older Burgess Shale.-
- Anomalocaridid
- Cambrian
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From the album: Anomalocaris and friends.
Grasper from an Anomalocaris sp. (not yet classified) from the Middle Cambrian Wheeler Shale of Utah. The biggest predator of its day!- 4 comments
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- Anomalocaris
- Cambrian
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From the album: Anomalocaris and friends.
One of the first trilobites, the Redlichia mansuyi. Lower Cambrian, 520myo, Guanshan Fauna, Kunming City, Yunnan province, China. -
From the album: Anomalocaris and friends.
Leanchoilia, the four-eyed arachnomorph arthropod from the Chengjiang biota, Yunnan, China. Lower Cambrian, 520-525mya. Very good preservation but sadly the front end is missing. -
From the album: Anomalocaris and friends.
A Branchiocaris from the Lower Cambrian Chengjiang biota. This critter was a free swimming arthropod. Also featured in the Simpsons episode, "Lisa the Skeptic".-
- Arthropod
- Branchiocaris
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From the album: Anomalocaris and friends.
My best fossil. The Anomalocaridid, Amplectobelua symbrachiata feeding appendage with a trilobite curiously attached to the end. Amplectobelua predation on trilobites or trilobite predation on a dead Amplectobelua? From Chengjiang.- 12 comments
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- Anomalocaris
- Aplectobelua symbrachiata
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From the album: Anomalocaris and friends.
This is part of the grasping appendage and mouth of an Anomalocaris saron from the Cambrian Chengjiang biota.- 2 comments
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- Anomalocaris
- Cambrian
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Colour modified Amplectobelua symbrachiata feeding appendage with trilobite.
ElToro posted a gallery image in Member Collections
From the album: Anomalocaris and friends.
Textbook Amplectobelua symbrachiata feeding appendage with trilobite stuck on the end. (With colour and contrast changed) From Chengjiang.-
- Amplectobelua
- Anomalocaris
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From the album: Anomalocaris and friends.
A beautiful fossil from the Maotianshan Shales at Chengjiang. 515-525my old. It is a mouth of an Anomalocaridid. Species unknown.- 1 comment
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- Anomalocaris
- Cambrian
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From the album: Anomalocaris and friends.
Here is a pic of the anomalocaridid, Amplectobelua symbrachiata fossil with me as scale. (Chengjiang, Cambrian, 74mm)- 2 comments
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- Amplectobelua
- Anomalocaris
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From the album: Anomalocaris and friends.
A close up of the podomeres (segments) on the grasper of the anomalocaridid, Amplectobelua symbrachiata from Chengjiang, China. (Cambrian, 74mm)-
- Amplectobelua
- Anomalocaris
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Amplectobelua symbrachiata "graspers" with close up of spines
ElToro posted a gallery image in Member Collections
From the album: Anomalocaris and friends.
A close up of the spines on the end of the grasper of the anomalocaridid, Amplectobelua symbrachiata from Chengjiang, China. (Cambrian, 74mm)-
- Amplectobelua
- Anomalocaris
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From the album: Anomalocaris and friends.
A great grasping appendage of the anomalocaridid, Amplectobelua symbrachiata from Chengjiang, China. (Cambrian, 74mm)-
- Amplectobelua
- Cambrian
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From the album: Adventure is an individual thought!
One of many "hidden quarries" in productive trilobite country. About 15 miles south of the U Dig site. Hard work but with a shovel and tools to split shale, you will find more than you would have expected. Elrathia is the most common trilobite to be found here. Not too far west and you will find Pernopsis, blind trilobites that look like "bar bells". Also some "unknowns" that you need to take home and figure out WHAT it is. Sometimes, multiple complete specimens in the 3/8 inch to 1 1/2" sizes! Camp just below the quarry or look around at loose slabs for trilobites washed down the cliffs.-
- Cambrian
- House Range mountains
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From the album: Adventure is an individual thought!
Many old trilobite quarries to be found. Some are hidden right over a small hill. Some are obvious and alongside the road. Plenty of camping spots. Visit the U Dig site in the area. All of this is just west of Delta, Utah. Before you go, gas up, water up, eat a good meal before leaving town and head to the House Range mountains.-
- Cambrian
- Marjum Shale
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From the album: Adventure is an individual thought!
A typical outcrop in Western Millard County, Utah. Wheeler Shale, Cambrian.-
- Cambrian
- Millard County
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From the album: Utah
This trilobite popped out of the shale matrix. This is about the same size as the other asaphiscus.-
- Asaphiscus
- Cambrian
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Complex Brains Evolved Much Earlier Than Previously Thought
Oxytropidoceras posted a topic in Fossil News
Complex brains evolved much earlier than previously thought, 520-million-year-old fossilized arthropod confirms, PhysOrg, October 10, 2012 http://phys.org/news...previously.html Oldest fossil of complex brain identified Natural History Museum, October 10, 2012, http://www.nhm.ac.uk...fied113541.html Picking an ancient brain (Traces of an early arthropod’s neural tissue might be evidence of a long-running evolutionary arms race.) by Brian Switek, Nature News, October 10,2012 http://www.nature.co...t-brain-1.11559 Ma, X., X. Hou, G. D. Edgecombe, and N. J. Strausfeld. 2012, Complex brain and optic lobes in an early Cambrian arthropod. Nature. vol. 490, no. 7419, pp. 258-261. http://www.nature.co...ature11495.html Best wishes, Paul H.