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Showing results for tags 'rhincodon typus'.
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From the album: Lee Creek
Rhincodon cf. typus Pungo River Fm., Aurora, NC, USA a minute tooth from the biggest fish in the sea - the whale shark. Being filter-feeders, their teeth serve no known function and are considered vestigial. -
From the album: Sharks
I ran out of room in the other display, so I split the collection into extinct/extant species. I probably still need another riker! For scale, the big great white tooth is about 2 1/4" slant height. In red are species that are endangered or critically endangered. The only teeth I regret having are the modern Makos, I had gotten them for comparative reasons (both are anterior, left is upper, right is lower). The fossil Mako is actually an I. desori (a big one!), but I included it since it's so morphologically similar to the extant species, and a few people would say they're synonymous. Species included (obviously will grow): Alopias superscilliousus Alopias cf. vulpinus Sphyrna zygaena Sphyrna mokarran Carcharhinus obscurus Carcharhinus plumbeus Carcharhinus brachyurus Carcharhinus falciformis Carcharhinus leucas Carcharodon carcharias Carcharias taurus Galeocerdo cuvier Isurus oxyrhinchus Lamna nasus Negaprion brevirostris Rhincodon cf. typus-
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- alopias superscilliousus
- alopias vulpinus
- sphyrna zygaena
- sphyrna mokarran
- carcharhinus obscurus
- carcharhinus plumbeus
- carcharhinus brachyurus
- carcharhinus falciformis
- carcharhinus leucas
- carcharodon carcharias
- carcharias taurus
- galeocerdo cuvier
- isurus oxyrhinchus
- lamna nasus
- negaprion brevirostris
- rhincodon typus
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Identification: Ray, Clayton E. and Bohaska, David J. 2001. Geology and Paleontology of the Lee Creek Mine, North Carolina, III. Washington, D.C.: Smithsonian Institution. https://doi.org/10.5479/si.00810266.90.1 From Page 99 & 100: "The crown of the Lee Creek Mine tooth (Figure 15o) is sharp, slightly curved lingually, and has a perfectly smooth surface. It is compressed laterally, and the cutting edges are distinct but dull. A narrow and relatively long apron descends onto the lingual face of the root. The roots of these teeth are bulbous and are wider at the mesial and distal sides than at the crowns, and they possess a well-marked central foramen and transverse groove. A pair of prominent lateral foramina are located high on the mesial and distal sides of the root, and the basal area of the root is marked by small, irregular vascular openings. These teeth are identical to those of the extant species, Rhincodon typus, Smith." Whale shark teeth are very obvious, with a tall, bilobate root, and a narrow crown. More on ID.
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From the album: Lee Creek
Rhincodon cf. typus Pungo River Fm., Aurora, NC, USA A minute tooth from the biggest fish in the sea, the whale shark. Being filter-feeders, their teeth serve no known function and are considered vestigial.-
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My first post .... This fossil tooth was found on the beach in northern Florida last week. Out of hundreds of shark teeth, this is the first one I have seen bent like this -- perhaps a pathological variation on a normal shark tooth, or maybe a whale shark tooth? What do you think?
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From the album: Fossilhunter21's collection
Species: Rhincodon typus Location: Aurora, North Carolina-
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- shark tooth
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From the album: Fossilhunter21's collection
Species: Rhincodon typus Location: Aurora, North Carolina-
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- aurora north carolina
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From the album: Fossilhunter21's collection
Species: Rhincodon typus Location: Aurora, North Carolina-
- shark tooth
- aurora nc
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From the album: Fossilhunter21's collection
Species: Rhincodon typus Location: Aurora, North Carolina-
- shark tooth
- aurora nc
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(and 1 more)
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