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Showing results for tags 'carcharocles megalodon'.
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A new publication explores the transition between C. chubtensis and C. megalodon, loss of cusplets Please note the following statement about lineage by some very influential authors: "we do not feel that the transition from angustidens to chubutensis is as marked as suggested by Cappetta (2012), given that the lineage represents a chronospecies with very gradual morphological change through time. As such, we choose to maintain a single genus for all serrated forms, given that they are easily distinguished from Otodus obliquus, and use the genus Carcharocles for subsequent taxa (C. auriculatus through C. megalodon) because the description of Carcharocles by Jordan and Hannibal (1923) precedes that of Megaselachus by Glickman (1964)." Journal of Vert Paleontology https://www.tandfonline.com/doi/full/10.1080/02724634.2018.1546732 The transition between Carcharocles chubutensis and Carcharocles megalodon (Otodontidae, Chondrichthyes): lateral cusplet loss through time Victor J. Perez , Stephen J. Godfrey, Bretton W. Kent, Robert E. Weems & John R. Nance @siteseer
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From the album Sharks and their prey ....
Carcharocles megalodon Golden Beach, Florida© Matthew Brett Rutland
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From the album Sharks and their prey ....
Carcharocles megalodon Bone Valley, Florida© Matthew Brett Rutland
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From the album Summerville, SC Fossil Hunts
© Matthew Brett Rutland
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From the album Sharks and their prey ....
Carcharocles megalodon Bone Valley Florida© Matthew Brett Rutland
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From the album Sharks and their prey ....
Carcharocles megalodon Venice Beach, Florida© Matthew Brett Rutland
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From the album Sharks and their prey ....
Carcharocles megalodon Venice Beach, Florida© Matthew Brett Rutland
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- carcharocles megalodon
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From the album Sharks and their prey ....
Carcharocles megalodon Bone Valley, Florida Bite damage with marks visible ....© Matthew Brett Rutland
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From the album Sharks and their prey ....
Carcharocles megalodon Bone Valley, FL© Matthew Brett Rutland
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From the album Sharks and their prey ....
Carcharocles megalodon Bone Valley, FL© Matthew Brett Rutland
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Whoo Boy .. what a Friday ! I decided that this was the day I was gonna pull a Meg out of the water. I even called it with my wife present, and she gave me the same rolled eyes to the ceiling look .. haha. I had dropped in two weeks prior and pulled out 3 fraglodons in the 2-3in range in the same spot so I suspected that there were other large chunks to be had if not a whole tooth. These teeth are from a re-worked layer so in the stream they can take a further beating. On the whole the rains have been pretty steady on and off the past few weeks and the water was murky unfortunately. Making it hard to know where I was searching. The humidity was at a wonderful 98% so I was sweating like a yeti in July but thankfully the mosquitoes were absent. The teeth at this spot were not as small, or well preserved for the most part. A few small verts, mako teeth, more fish teeth than I've ever found, a really worn toothed whale, and about a dozen fragmented angustiden teeth. At this spot I was able to score my most complete angy to date in the water. The cusps intact are rare in the stream bed, I've seen them often pristine but these usually are from diggers that attack the banks or land sites. The meg wasn't deep and I flipped it up off the bottom using a sand flea rake of all things .. must've stepped on it a few times before I found it. I hardly ever use that rake. 5 inches on the slant. It's taken over a year so there was nothing easy about it, just happened to get lucky and read the signs. Cheers, Brett a few of the other finds.
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From the album Sharks and their prey ....
Carcharocles megalodon ACE River Basin, SC 5.3"© Matthew Brett Rutland
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From the album Sharks and their prey ....
Carcharocles megalodon ACE River Basin, SC© Matthew Brett Rutland
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From the album TEETH & JAWS
Occasionally, teeth of the two sharks, Carcharocles megalodon and Carcharodon carcharias, may be confused for one another. Ususally, this is a problem with a worn or otherwise damaged tooth . . . especially where the teeth of the two sharks may be found together, as in Florida's Peace River (C. carcharias teeth are uncommon in the Peace River). Megalodon and the great white shark now are generally believed to be not closely related. (This image is best viewed by clicking on the button on the upper right of this page => "other sizes" => "large".)© Harry Pristis 2015
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