Search the Community
Showing results for tags 'carcharhinus'.
-
I've been going through my shark tooth collection recently trying to refine my ids. This one here has me somewhat stumped. I had identified it as Carcharhinus priscus, but I'm not at all sure any more and am now starting to wonder if it may be a chub or great white. The first photo, which I think is the labial view, seems to fit, but what I believe to be the lingual view (2nd photo) has me confused. The tooth is from the southern German Miocene Burdigalian. Slant length 15mm. Any advice here would be appreciated.
-
South Florida Beach Find. Pretty sure it's genus Carcharhinus. Elongate, curved blade, singular notch and root configuration has me thinking C. altimus (bignose shark). C. acronotus was also similar, but that species tends to be small (<5 ft), apparently. The tooth is 13-14mm in vertical height, which seems a bit large for a 5-foot Carcharhinid. Thoughts?
- 3 replies
-
- 1
-
-
- shark tooth
- carcharhinus
- (and 2 more)
-
Species discrimination in Carcharhinus shark teeth using elliptic Fourier analysis (online PDF file)
Oxytropidoceras posted a topic in Fossil Literature
Smith, V., 2015. Species discrimination in Carcharhinus shark teeth using elliptic Fourier analysis (Doctoral dissertation, Tulane University School of Science and Engineering). https://www.researchgate.net/publication/316735477_Species_discrimination_in_Carcharhinus_shark_teeth_using_elliptic_Fourier_analysis In part, the abstract reads: "Sharks of the genus Carcharhinus are commonly represented in fossil assemblages by isolated teeth. Neogene fossil teeth from this genus have been identified by many authors as belonging to extant speci-
- 4
-
-
- shark
- carcharhinus
- (and 2 more)
-
From the Calvert formation. Ruler in metrics
-
I am fairly comfortable with the STH micros as far as identification goes but I found a few things that I need some help with. First up is one that I am 90% sure on the ID but I want to be sure. I believe I found a couple of Raja teeth. The first one I found looks to be complete and tiny, a little over 1mm. I know skate teeth are somewhat uncommon in this fauna and this would be my first one.
-
From the album: Pisces
Slant length 9mm. Upper lateral Burdigalian, Miocene Obere Meeresmolasse Formation From the NW Lake of Constance area. -
From the album: Pisces
Root length 1cm. Lower lateral Burdigalian, Miocene Obere Meeresmolasse Formation From the NW Lake of Constance area. -
From the album: Pisces
15mm. Burdigalian Miocene OMM Formation Found near the Lake of Constance -
Hello, I am currently re-sorting my collection and this brings up some questions about some modern shark teeth. For example, I found two teeth of this appearance. At first glance, I would suspect a Carcharhinus species (like C. falcifromis, but the teeth look different) , but I don't know which. Unfortunately, I don't find any comparable teeth in the Internet. Even if this isn't a fossil this time, I hope that you can help me again. The tooth is 1,3cm (0,51") in size and from the philippines. Best regards from Germany!
-
Juuust shy of 6 inches .... Savannah Georgia
Brett Breakin' Rocks posted a topic in Fossil Hunting Trips
Hello Everyone, I've been busy with the kayak and doing some hiking to boot. Funny thing is .. you never know what you are going to just walk right up on sitting pretty after a low tide falls away. 3 mile-ish hike there and back with three miles of paddling .... (this guy was lying in the middle of it) Probably has been buried under the soft sand waiting just beneath the surface. Just shy of 6 inches I love it .. warts and all. In situ ... In hand .. Some really great Carcharhinus teeth lately ... they haven't been jet bl- 103 replies
-
- 11
-
-
- savannah georgia
- megalodon
- (and 2 more)
-
From the album: Sharks and their prey ....
Carcharhinus sp. Savannah, Georgia© © Matthew Brett Rutland
-
So I was recently going thru some Florida tooth material (Mio/Plio-Pleistocene) from years ago and realized I had lumped a bunch of this stuff in a packet without investigating them too thoroughly. I started to bug Jeff about several and thought I'd see what you all thought as well so I could learn something more from you all. So just 4 teeth for this thread. I was noticing #1's serrations were pretty coarse and well developed and unusual and I was asking about its possibilities and the meg possibility came up. I then found #2 tonight in another bag and it has some similariti
- 7 replies
-
- 1
-
-
- florida
- carcharhinus
- (and 3 more)
-
My thesis on identifying Carcharhinus shark teeth
verydeadthings posted a topic in General Fossil Discussion
Hi everyone! I just wanted to share my master's thesis with the community, I think it may be of interest to some. The basic idea was to apply morphometric methods to isolated modern Carcharhinus shark teeth, and see how well they could identify the teeth to species. 3 specimens each from 12 species had their teeth extracted and photographed. The tooth images may be helpful if you're trying to identify Carcharhinus teeth. I don't know when I'll ever get around to publishing the paper in a journal, and it's already accessible online at Tulane University, so I decided to just post it on researchg- 3 replies
-
- 4
-
-
- carcharhinus
- shark
- (and 1 more)
-
From the album: Pisces
7mm. Burdigalian, Miocene, Obere Meeresmolasse Formation. Found at Billafingen, B.-W., Germany. -
From the album: Sharks and their prey ....
Carcharhinus and Galeocerdo sp. Savannah River Savannah, Georgia© Matthew Brett Rutland
-
From the album: Sharks and their prey ....
Matthew Brett Rutland -
From the album: Sharks and their prey ....
Carcharhinus sp. Savannah, Georgia© Matthew Brett Rutland
-
Hi guys! I just uploaded a gallery of modern Carcharhinus upper dentitions: . The images are from my master's thesis (Smith 2015), the full text is available at (https://www.researchgate.net/publication/316735477_Species_discrimination_in_Carcharhinus_shark_teeth_using_elliptic_Fourier_analysis). Unfortunately, due to file size limitations, the images in the paper are not really good enough for detailed analysis of the morphology. So I have uploaded them individually here. I personally extracted the teeth from almost all of these jaws...If I remember correctly, they were soaked in isopro
- 7 replies
-
- 9
-
-
- carcharhinus
- modern
- (and 2 more)
-
From the album: Carcharhinus dentitions
C. leucas. Bull shark. Scale bar= 5mm. -
From the album: Carcharhinus dentitions
C. falciformis. Silky Shark. Scale bar=5 mm. -
From the album: Carcharhinus dentitions
C. brevipinna. Spinner Shark. Scale bar=5 mm. -
From the album: Carcharhinus dentitions
C. brachyurus. Copper shark. Scale bar=5 mm. -
From the album: Carcharhinus dentitions
C. amboinensis. Java Shark. Scale bar=5 mm. -
From the album: Carcharhinus dentitions
C. albimarginatus. Silvertip Shark. Scale bar= 5 mm. -
From the album: Carcharhinus dentitions
C. acronotus. Blacknose shark. Scale bar=5 mm.
