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Showing results for tags 'carcharodon'.
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From the album: Sharks
Carcharodon carcharias (Young Juvenile) Pisco Formation, Departamento de Arequipa, Sitio Sacaco, Peru 2nd? Left Upper Anterior A small tooth from a very young great white (< 2 m / 7 ft total length). Teeth of these very young individuals are narrower than adult teeth, and can possess lateral "cusplets" - features that aid in their piscivorous (fish-dominated) diet. -
From the album: Sharks
Carcharodon carcharias (Neonate) Pisco Formation, Departamento de Arequipa, Sitio Sacaco, Peru 2nd Left Upper Anterior A small tooth from a young-of-the-year great white (~ 1.5 m / 5 ft total length). Teeth of these very young individuals are narrower than adult teeth, and possess lateral "cusplets" - features that aid in their piscivorous (fish-dominated) diet. -
From the album: Sharks
Carcharodon carcharias (Neonate) Pisco Formation, Departamento de Arequipa, Sitio Sacaco, Peru Right Upper Lateral A small tooth from a young-of-the-year great white (~ 1.5 m / 5 ft total length). Teeth of these very young individuals are narrower than adult teeth, and possess lateral "cusplets" - features that aid in their piscivorous (fish-dominated) diet. -
From the album: Sharks
Carcharodon carcharias (Neonate) Pisco Formation, Departamento de Arequipa, Sitio Sacaco, Peru Lower Lateral A small tooth from a young-of-the-year great white (~ 1.5 m / 5 ft total length). Teeth of these very young individuals are narrower than adult teeth, and possess lateral "cusplets" - features that aid in their piscivorous (fish-dominated) diet. -
From the album: Sharks
Carcharodon carcharias (Neonate) Pisco Formation, Departamento de Arequipa, Sitio Sacaco, Peru 2nd Right Lower Anterior A small tooth from a young-of-the-year great white (~ 1.5 m / 5 ft total length). Teeth of these very young individuals are narrower than adult teeth, and possess lateral "cusplets" - features that aid in their piscivorous (fish-dominated) diet. -
From the album: Sharks
Carcharodon carcharias (Neonate) Pisco Formation, Departamento de Arequipa, Sitio Sacaco, Peru 3rd Right Upper (Intermediate) A small tooth from a newborn great white shark (~ 1.5 m / 5 ft total length). This is a rare intermediate tooth which is mesially-slanted, and reduced in size relative to adjacent teeth. The smaller size of the 3rd upper anterior is an adaptation unique to the dentitions of Lamniforms, thought to concentrate the bite force in the first two upper anteriors. -
Identification Teeth of C. hastalis closely resemble those of the modern "great white" (C. carcharias) in having erect triangular cusps, no lingual dental band ("bourlette") or a thin one, and no nutrient groove. Differing from the extant species, they have no serrations on the edges.
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Identification Teeth of Carcharodon carcharias may be identified by triangular crowns with no nutrient groove in the root, no lingual dental band ("bourlette"), and irregular triangular serrations on the edges. Teeth of neonatal individuals (newborn/young of the year) possess small lateral "cusplets," with a deep "V" profile made by the root lobes, and are more narrow than adult teeth1. This narrow tooth form with cusplets is suited for the great white's piscivorous (fish-dominated) diet at a young age. Comments This is an exceptional upper right lateral tooth from a newborn or
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From the album: Sharks
Cool bichrome great white tooth from the Early Pliocene of Southern Peru. Fossils are now illegal to export from Peru, this one was collected prior to 1990 under a Peruvian government permit by the BHI. -
From the album: Sharks
Lower tooth from an early great white (Early Pliocene). Juvenile teeth are narrower than those of adults, more suited to a piscivorous (fish-eating) diet. Fossils are now illegal to export from Peru, this one was collected prior to 1990 under a Peruvian government permit by the BHI. -
From the album: Sharks
Historically known as "makos", we now recognize C. hastalis as being ancestral to the modern great white shark. -
From the album: Sharks
One of the most coveted teeth due to the great white's popularity. Being one of my favorite animals, I knew I had to get a nice one eventually. This one in particular is special. Besides being in superb condition, this tooth has a bite mark on the root: three parallel grooves on the labial side of the root gouged by serrations. Bite marks on teeth are uncommon, and a neat feature on this already sweet tooth. This tooth is from the desert of northern Chile. Fossils from Chile are now illegal to export, so as an ethical collector you need to make sure that any Chilean fossils you are interes -
From the album: Sharks
White sharks used to have smooth-edged teeth. They eventually evolved serrations as their diets transitioned to marine mammals from fish. This shark was a transitional form between the smooth-edged predecessors and the modern fully-serrated great white. The serrations on this tooth are not worn-down. C. hubbelli serrations are naturally finer, typically decrease in size towards the tip, and are oriented towards the tip. This tooth is from the desert of northern Chile. Fossils from Chile are now illegal to export, so as an ethical collector you need to make sure that any Chilean fossils you ar -
From the album: Sharks
Nice color on this early great white shark tooth (Early Pliocene). This one comes from the desert of southern Peru, where a long period of sand blasting has smoothed this tooth to a near-polish, all but erasing the serrations. Fossils are now illegal to export from Peru, this one was collected prior to 1990 under a Peruvian government permit by the BHI. -
Identification Teeth of C. hubbelli are morphological intermediates between C. hastalis and the extant species C. carcharias. They all possess erect triangular cusps, no nutrient groove, and a thin to no lingual dental band ("bourlette"). C. hubbelli exhibits transitional serrations which are finer/weaker than those of the extant species, and diminish in size apically.1 This feature may be confounded with the same pattern in nascent C. carcharias.2 C. hubbelli may be confused with C. subserratus (escheri), however they can be easily distinguished by their geographic distributions. C.
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- carcharodon
- carcharodon hubbelli
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Identification Teeth of Carcharodon carcharias may be identified by erect, triangular crowns with no nutrient groove in the root, no lingual dental band ("bourlette"), and irregular triangular serrations on the edges. Comments This tooth is Early Pliocene in age, which is about as old as great white shark fossils get. Fossils are now illegal to export from Peru. This tooth was collected by the BHI during a series of expeditions to Peru 1985-1990 under a government permit.
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Identification Teeth of Carcharodon carcharias may be identified by erect, triangular crowns with no nutrient groove in the root, no lingual dental band ("bourlette"), and irregular triangular serrations on the edges. Comments This tooth has a self-inflicted bite mark in the form of three parallel linear gouges in the labial face of the root made by serrations of another tooth.
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Identification Teeth of Carcharodon carcharias may be identified by erect, triangular crowns with no nutrient groove in the root, no lingual dental band ("bourlette"), and irregular triangular serrations on the edges. Teeth of juveniles are smaller in size, and are comparatively narrower than adult teeth, suited for a piscivorous diet. Comments This tooth is Early Pliocene in age, which is about as old as great white shark fossils get. Fossils are now illegal to export from Peru. This tooth was collected by the BHI during a series of expeditions to Peru 1985-1990 under a go
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Hello everyone, happy to have discovered this forum ! I'm french and was in Grand canyon for Holliday's, a week ago and during a hike I found this grey stone among all the red ones. It looks like a tooth by its form and the surface is cracked as old ivory. It is very different from all other stones I saw on the place. Could you help me to identify it with your experienced eyes ? Thank you in advance and have a nice day!
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- carcharodon
- megalodon
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From the album: Sharks
Great whites didn't start out "great." As young, small animals, they had narrower teeth suited for grasping slippery fish. As they age, the teeth broaden as their diet transitions to marine mammals. This small tooth measures ~ 1" on the slant and comes from the Early Pliocene of the Pisco formation in southern Peru. This is about as old as great white teeth get, they evolved from C. hubbelli near the start of the Pliocene (~ 5.3 Ma). Fossils are now illegal to export from Peru, this one was collected prior to 1990 under a Peruvian government permit. As ethical collectors, please do -
From the album: Sharks
These white sharks come from the deserts of Chile (left) and Peru (right). -
From the album: Sharks
Some rare colors on this tooth! While it looks like Bone Valley, this great white actually comes from southern Peru (Pisco formation, Early Pliocene). This is about as old as GW teeth get - the modern species evolved from C. hubbelli around the Early Pliocene (~ 5 million years ago). Fossils are now illegal to export from Peru, this one was collected prior to 1990 under a Peruvian government permit. As ethical collectors, please do your due diligence to verify any Peruvian fossils you're interested in were exported prior to the ban. I respect any country's decision to protect their natural -
From the album: Sharks
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I bought this beauty last month and it finally arrived this morning. This should be the best preserved shark tooth among all the specimens I have ever touched. It’s 2.17 inches long and it’s also has a little bit pathology to both side of the edge.
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- hastilis
- carcharodon
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From the album: Sharks
