The Trilobite Pompeii Preserves Soft Tissue
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- Опубліковано 5 лип 2024
- Trilobites are like no living animal today, and despite being so common in the fossil record there's parts of their anatomy we've never seen preserved. A new fossil site from Morocco is the trilobite Pompeii, with new fossils preserving soft tissue that's never been see before.
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Read the paper here: www.science.org/doi/10.1126/s... - Наука та технологія
Pompeii’s victims weren’t vaporized. They were indeed killed by a hot pyroclastic flow. The position of many of the bodies indicates it was hot enough to start cooking the bodies, causing the arms to pull into a pugilistic pose and the lips to pull back, but not hot enough to burn the flesh off completely, like in Herculaneum. There were additional falls of lapilli and ash that buried them the rest of the way. The substrate then hardened around them before they decomposed, leaving hollows with skeletons inside. Very few victims were actually preserved that way because the flow cooled a bit on the way through the city, so some bodies were burned away.
Neat! Yeah, I'm not super familiar with the history of Pompeii, so my mistake.
@@RaptorChatter There are some excellent, newer documentaries on Pompeii that go into it, both geologically centered ones and historically centered ones.
Interesting and frightening at the same time.
"Trilobite lips" is my new insult du jour. 🤣
Cool find; those 3D scans are stunning!
All part of an elaborate hoax to make you think the Earth is round. Biden 2025
I'd really like to see someone like you do a side by side comparison of trilobites and modern triops.
Or horseshoe crabs
The trilobites in the thumbnail are so friggin cute
I bet those things were good eating! Considering they were prey for so many predators...I stand by my hypothesis.
A lot of things prey on woodlice but tests indicate they taste nasty to humans.
Are you suggesting trilobite sea food?
@@Carlos-bz5ootrilobite scampi!
@@shroomzzz Not sure if possible. People who eat their closest living relatives, horseshoe crabs, say they taste terrible
@@Carlos-bz5oo Guess we will never know. But good point regarding horseshoe crabs.
dang is there a place to go to see those high quality scan models of fossils....like something free??
Maybe try morphosource
Super cool find- thank you for telling us about this! Always amazing to see these fantastically preserved fossils!
Thanks for this video. Trilobites have fascinated me since I was a child. Its great to see that we are learning such details about them today. Imagine what we'll be able to learn in a hundred years or a thousand years, if we manage to be around that long.
Makes one wonder if there are hordes of pre-Cambrian soft-bodied animals, waiting to be discovered in seemingly plain rock.
Could be! Sounds like a great project for a grad student to look even in the Ediacaran where we have some fossils to see if there's more!
@@RaptorChatter The Ediacaran fossils from Mistaken Point, Newfoundland were preserved in a very similar way to these. The image in my thumbnail is a Charniodiscus from the nearby Bonavista peninsula.
fascinating ... that helped feed my Nerd Need
T the Rex looks mad. He`s saying `Trilobites? I`m being overlooked by a bug! grrrrrrr
Excellent as usual.
What did one Trilobite say to the other one ? your feet smell.
Looks a bit like a modern day isopod
What a discovery wish could see it in person
Kabuto: The chad sigma pokemon
Please lets leave the pop culture references for once
Great paper and imaging!! Excellent production. Trilobites are my favorite, even over dinosaurs.
Neat! I just got back from Penn Dixie in New York. I found many trilobites, but nothing as good as you show.
Nice, that always seems to be the case, you see photos of the great fossils from an area, and then find ones that aren't as pretty.
Amazing images.
Trilobite limbs and antennae don't fossilize very often not because of them being "thin", there are plenty of examples of exceptionally preserved trilobites with long and thin spines perfectly preserved but which don't have even the slightest trace of the legs and antennae.
This is because only the top part of trilobites had that unique callcite + calcium phosphate makeup that made them fossilize so well, while the underside didn't.
It gives me a roachy-isopod feeling and it's disgusting 😂 (also I don't feel very well this morning so everything roachy looks extra disgusting now).
And the resemblance to triops is amazing.
It's baffling how something that complex just appeared the Cambrian. I've considered that perhaps trilobites existed without hard exoskeletons before the Cambrian but how could a jointed leg even work without a skeleton?
I really hope they find a marrella!!! Like I need to get my PhD to study that group
So cool
The thumbnail artist is actually Júlia d’Oliviera! Please correct :)
Thank you for the catch! The places I was seeing the image kept citing the lead author, but definitely want to credit the correct artist!
wow they look like modern horse shoe crabs with more legs
Not sure if I asked already but would you ever do videos on Therocephalians like Gorynychus, Trochosaurus, and Moschorhinus? The big ones have always been interesting apex predators to me. Also Theriodonts specifically the Gorgonopsid Rubidgea?
He has a trilobite t-shirt.
The third Duplass brother
1:19 "Very simple body plans" of arthropods?? Then vertebrate body plans must be very simple as well! 😜
Also: Subbed! Great discussion
Great improvement keeping your hands out of shot. A little higher might be good; looks as if you have a twitch. Hold a weight in each hand while you talk to camera.
I have to ask, do you think it's possible that the chelicerates are actually descendants of trilobites? Which would make horseshoe crabs extant trilobites? Ty!
Cool
Fossils are pog!
Great t shirt
Haha the arthropod head problem creeped in
I see the link to marrella with the gills now
Thanks! And yes to your other comments, it really helps resolve a ton of arthropod evolution.
Cockroaches of the sea!
But is there DNA?
Absolutely not
@FurbyLover2334 What about Fossilized DNA Molocules that can be decoded and recreated?
@@dubuyajay9964 that doesn’t happen, there is no way no matter how well preserved the fossil is that a trilobite fossil could have ancient DNA
No, it's not that great of preservation. Plus it's important to remember that even in working bodies DNA is made to fall apart, it's how cells divide. So once an animal dies one of the first things to start happening even if fossilized is the DNA breaking apart.
@@RaptorChatter Crud. I want my Jurassic Park. 😭
Horseshoe Crabs are Trilobites and I care not what ANYONE says!
CRABS IS BUGS! Vibes.