Tribute to Amphicoelias.

Amphicoelias meaning 'doubly hollow', from the Greek amphi: "on both sides", and koilos: "hollow, concave") is a genus of herbivorous Sauropod dinosaur that includes what may be the largest dinosaur ever discovered, A. Fragillimus. Based on surviving descriptions of a single fossil bone, A. Fragillimus may have been the longest known vertebrate at 4060 meters (131196 ft) in length, and may have had a mass of up to 122 metric tons (135 short tons), rivaling the heaviest animal known, the blue whale. However, because the only fossil remains were lost at some point after being studied and described in the 1870s, evidence survives only in drawings and field notes.

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Science & Technology

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• Amphicoelias
• Bring
• Me
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• Pillar
• Sauropod
• Archosaur
• Dinosaur
• Tributes

[mguerrrero]

please tell me this is real i dont like leaving negative comments cause i know they only found one bone

[ArchosaurKing]

Well, I'm 50% sure that its real. Cuz I only know so much about a "legendary" dinosaur like Amphicoelias ^^;. Hopefully one day, we'll find more of him...until then we're lost it its shadow.

[dinox3raptor]

1:54 - it's Apatosaurus from ballad of big All

[ArchosaurKing]

Yep, I know it ^_^.

[SirenqueenKia]

What a long Dinosaur. And I thought Seismosaurus was the longest (damn I missed a few years of Dinosaur research I think). Well, it sure looks awesome and the video is great, too.

[ArchosaurKing]

Thank you very much ^_^.

And I hear you, I missed a few years of Dinosaur research myself.

[spinosaurusXL]

it makes argentinasaurus look small.

[thesingingteranodon1]

rock on the dinosaurs still live today!

[Danieltseo]

the amphicoelias was actually longer than the seismosaurus. If you check it on wikipedia, it tells you that it is the longest and biggest dinosaur ever. But why is it so unknown?

[thutialreadyhadayt]

@AnimeCharley It's just missing a couple of dashes, not decimal points. It clearly should read "40-60 meters (131-196 ft)" - that makes sense.

[rsuriyop]

I've actually just found out about this dinosaur today. Was it actually longer than Seismosaurus?

[redcarnotaurus]

Some estimates Say amphicoelias could grow to 80 meters and 220 tons! come on eperts, blue whales aren`t the biggest anymore

[renatonovis]

I still wonder what and how much they eat O__o

[BlackGrapes]

I love how so many videos of gigantic animals have rock music.. SOLID!

[dltanner99]

Cryptozoology novel about two boys who find something strange on the beach one night see video book trailer

[whatsgoingon07]

i bet her newborns were looking at the T-Rex at eye level, lol

[AnimeCharley]

The infobox has a couple of misplaced decimals: it should be 40 meters, rather than 4060. That converts to about 130 feet, not 131,000. (4000 meters is about 13,000 ft anyway.) Impressive, but unfortunately speculative without the original material. They may have been giants this size or even larger, but we're never going to know without their fossils.