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Showing results for tags 'otodontidae'.
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A shark tooth from my collection: a Cretalamna maroccana specimen
gond posted a topic in Member Collections
Hello everyone, it's been a while since I last posted on the forum In the last year my collection has reached 33 specimens, so I guess that "road to 35" is extremely close! Today I wanted to show you a specimen I acquired very recently, specifically last March! Species: Cretalamna maroccana (Arambourg, 1935) Size: 2.5 tall, ~3.0 cm long Age: 72-66 mya (Late Cretaceous, Maastrichtian) Origin: Ouled Abdoun basin (Morocco) About this fossil: a nicely preserverd shark tooth, with only a small hole on the front part of the tooth's root; I especially appreciate the two lateral cusplets, which are extremely nice to admire. Definitely one of my favorites!- 8 replies
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- 6
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- chondrichthyes
- cretaceous
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Here's an odd one. I think it's a Parotodus that might be the species, P. oligocaenus, which I have read is valid - something to talk to David Ward about. I bought this around the mid-90's as part of a small lot of teeth from the Suwannee River, Florida. I wasn't sure what it was at the time and Parotodus wasn't an in-demand genus like it is now. The dealer thought this and the other teeth washed out of the Ocala Limestone (Late Eocene). I lost track of this tooth and thought I might've traded it somewhere down the line but found it with another tooth from the same site in a zip-lock in a different box. It measures just over 1 1/8 inches. It looks like some Oligocene Parotodus I've seen. @fossilselachian @MarcoSr @isurus90064 @sixgill pete @Al Dente @sagacious @Northern Sharks
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From the album: My collection in progress
Cretalamna biauriculata Wanner 1902 Location: Morocco Age: 72-66 Mya (Maastrichtian, Upper Cretaceous) Measurements: 1,8x2,8 cm Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Chondrichthyes Subclass: Elasmobranchi Superorder: Selachimorpha Order: Lamniformes Family: Otodontidae-
- chondrichthyes
- cretaceous
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L1: 7.6 cm L2: 6.2 cm W: 6.0 cm
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- 1
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- cenozoic
- chondrichthyes
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True size of prehistoric Megalodon finally revealed (open access paper)
Oxytropidoceras posted a topic in Fossil News
True size of prehistoric mega-shark finally revealed University of Bristol, September 3, 2020 A new study has revealed the size of the legendary giant shark Megalodon, including fins that are as large as an adult human. The open access paper is: Jack A. Cooper, Catalina Pimiento, Humberto G. Ferrón, Michael J. Benton. Body dimensions of the extinct giant shark Otodus megalodon: a 2D reconstruction. Scientific Reports, 2020; 10 (1) DOI: 10.1038/s41598-020-71387-y Yours, Paul H.- 1 reply
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- 5
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- allometry
- carcharodon
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Shark Week on the Discovery Channel starts tonight and one of the shows is about C. megalodon. It's on at 8pm Eastern and Pacific time.
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Acquired 5/14/2019 Image © David Kn.
- 1 comment
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- 1
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- africa
- auriculatus
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From the album: Sharks and fish
Megalodon tooth and tooth fragments.-
- carcharocles
- carcharodon
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