Victor Perez
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Victor Perez posted a new activity comment 2 days, 9 hours ago
2 days, 9 hours ago2 days, 9 hours agoThree of them are lemon shark, genus Negaprion. The one on the bottom right is a requiem shark, genus Carcharhinus
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Victor Perez posted a new activity comment 1 week, 5 days ago
1 week, 5 days ago1 week, 5 days agoI’m struggling to tell from the photos, but I think this is a bone from the hand or foot of a mammal. @smoran may be able to be more specific.
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Victor Perez posted a new activity comment 1 week, 5 days ago
1 week, 5 days ago1 week, 5 days agoCarcharodon hastalis
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Victor Perez posted a new activity comment 1 week, 5 days ago
1 week, 5 days ago1 week, 5 days agoPhysogaleus contortus, extinct false tiger shark.
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correct
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Awesome, thanks Victor
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Victor Perez posted a new activity comment 1 week, 5 days ago
1 week, 5 days ago1 week, 5 days agoHard to say for sure since it’s broken, but looks like Physogaleus contortus.
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Has serrations, but the image angle and the damage make it hard to ID. Possible Physogaleus symphyseal tooth but I am not anything close to sure.
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Victor Perez posted a new activity comment 1 week, 5 days ago
1 week, 5 days ago1 week, 5 days agoAlso a Carcharhinus upper tooth.
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Too damaged to ID further
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Victor Perez posted a new activity comment 1 week, 5 days ago
1 week, 5 days ago1 week, 5 days agoRequiem/Gray shark upper tooth, genus Carcharhinus.
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Carcharhinus brachyurus Copper shark
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Awesome, thanks Bill
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Victor Perez posted a new activity comment 1 week, 5 days ago
1 week, 5 days ago1 week, 5 days agoShark vertebra, possibly from the order Carcharhiniformes.
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Awesome, thanks Victor!
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Victor Perez posted a new activity comment 1 week, 6 days ago
1 week, 6 days ago1 week, 6 days agoJust to clarify, this fossil is an extinct elk called Sinomegaceras that lived during the Pleistocene, about 300,000 to 14,000 years ago in Japan. Not a dinosaur.
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Victor Perez posted a new activity comment 2 weeks ago
2 weeks ago2 weeks agoThat’s part of a drumfish mouth plate, missing the teeth.
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Victor Perez posted an image in the group
Vacation Explorers from the myFOSSIL app 2 weeks, 3 days ago2 weeks, 3 days ago2 weeks, 3 days agoAnother photo from the natural history museum in Mine City, Japan. There was a whole wall of cases with rodent fossils. This case is mostly jaws and skulls. #fossil
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Victor Perez posted a new activity comment 2 weeks, 4 days ago
2 weeks, 4 days ago2 weeks, 4 days agoThese are pseudofossils called dendrites. It’s a chemical precipitate, likely either manganese oxide or aluminum oxide.
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I agree, Victor!
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Victor Perez posted an image in the group
Vacation Explorers from the myFOSSIL app 2 weeks, 4 days ago2 weeks, 4 days ago2 weeks, 4 days agoVisited a natural history museum in Mine City, Japan. Was hoping to go collecting but unfortunately they closed the fossil site 🙁 #fossil
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Dinosaur fossil
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Sweet!
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Just to clarify, this fossil is an extinct elk called Sinomegaceras that lived during the Pleistocene, about 300,000 to 14,000 years ago in Japan. Not a dinosaur.
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Victor Perez replied to the topic Bone in the forum What Is It? 1 month, 1 week ago
1 month, 1 week ago1 month, 1 week agoI’m sorry I don’t really understand what you are asking. I don’t know what “authorities” you are worried about, but I cannot tell you about the legality of what you found from any photo or video. You may have to bring it to a museum and speak to someone in person.
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Victor Perez replied to the topic Bone in the forum What Is It? 1 month, 1 week ago
1 month, 1 week ago1 month, 1 week agoMy assumption is that it is not a fossil, but there really is no way I can confirm that from a photo. There’s no scale bar in your photo, but it appears that the bone is too small to be from a hominid (human or neanderthal).
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Victor Perez replied to the topic Bone in the forum What Is It? 1 month, 1 week ago
1 month, 1 week ago1 month, 1 week agoDoes look like a tibia, but I can’t tell if it is a fossil or modern from the photo. Does it feel very dense or light?
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Victor Perez posted a new activity comment 1 month, 1 week ago
1 month, 1 week ago1 month, 1 week agoI’m not aware of a document with specific guidelines, but you’ve got the right idea. Generally speaking, the “front and back” are sufficient. The scientific terms for front and back are the lingual (towards the tongue) and labial (towards the lip) views. The side view (or profile view) is typically done when you want to show the thickness of the…[Read more]
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Victor Perez posted a new activity comment 1 month, 1 week ago
1 month, 1 week ago1 month, 1 week agoThanks Kevin. Very nice photos by the way!
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Thanks Victor. Curious – are there any guidelines for the ‘right’ way to shoot the different types of shark teeth. I’ve seen in papers that many are shot “front & back”, others are shot “left side / right side” — What are the established best practices?
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I’m not aware of a document with specific guidelines, but you’ve got the right idea. Generally speaking, the “front and back” are sufficient. The scientific terms for front and back are the lingual (towards the tongue) and labial (towards the lip) views. The side view (or profile view) is typically done when you want to show the thickness of the…[Read more]
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Very cool, THANK YOU.
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Victor Perez posted a new activity comment 1 month, 1 week ago
1 month, 1 week ago1 month, 1 week agoThat preservation is pretty poor and unlike most of the material I’ve seen from Shark Tooth Hill. My best guess would be Carcharodon hastalis, but it’s possible it is Carcharodon planus. Safest bet would be to just identify it to the genus level as Carcharodon.
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Done
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Thanks Kevin. Very nice photos by the way!
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Thanks Victor. Curious – are there any guidelines for the ‘right’ way to shoot the different types of shark teeth. I’ve seen in papers that many are shot “front & back”, others are shot “left side / right side” — What are the established best practices?
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I’m not aware of a document with specific guidelines, but you’ve got the right idea. Generally speaking, the “front and back” are sufficient. The scientific terms for front and back are the lingual (towards the tongue) and labial (towards the lip) views. The side view (or profile view) is typically done when you want to show the thickness of the…[Read more]
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Very cool, THANK YOU.
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Victor Perez posted a new activity comment 1 month, 2 weeks ago
1 month, 2 weeks ago1 month, 2 weeks agoUnfortunately, I don’t think I can identify any further than you have as a bony fish. You can update the taxonomy to say Class Osteichthyes though. Best, Victor.
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Isurus oxyrinchus, 1st upper lateral