Aquatic Animals of the Dinosaur Era. The real ¨Sea Monsters¨. size comparison and data 

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Damn, Ophtalmosaurus was much larger than I thought

That tylosaurus artwork is exceptional!!! And all of them are really great, really cool spino too!

I love how you expose the Tylosaur's knobs on both ends of its jaws to show why it was given its name. It's a very interesting reconstruction.

I could not, not even try, to explain how beautiful and amazing your paleoart videos are, the way you take inspiration from living animals, scientific evidence, and how the animals environment looks like. And Put them into your beautiful paleoart. These videos are also very educational helping people know more about the Earth's past by showcasing some species that are not too well known, like Hupehsuchus, i never knew that existed. Keep up the good work, you have a bright future ahead of you.

I really like to see the Spino in this video.

No views,and No commemts. I guess I'm the first 1 here. *Cause these awesome aqautic ogranisms look amazing,and beautiful.*

Its amazing! You draw better every video

Amazing art. Im blown away right now. This is my favourite video of yours yet to come. I feel like I’m always saying this but your art is just on another level. I can easily picture these creatures living millions of years ago because of how detailed and perfect your art is. Good work man, you deserve all the support you have and more.

Mario lanzas I love the design of the Tylosaurus And its very Accurate : )

DUUUDE that new spino of yours looks awesome

I love it 😍 as always tho... especially your new spinosaur illustration, it really seems alive 🦖💕🐊

1:50 The swordfish ichthyosaur.

Even though we only know like 1% of life that has ever existed on Earth, it still amazes me that any can be preserved when I look at those insane mini-maps. The continents were all over the place, and somehow all those fossils were dragged halfway around the world and survived, only to be found by humans in identifiable condition.

im in love with that new tylosaurus design so amazing and detailed!!

Finally a well done and acurate size video on prehistoric animals in youtube. it was so much needed. RU-vid is full of bad ones

I love that hesperornis is in this vid

Yes! I've been waiting for this to come out for ages,Well done!

Rhomaleosaurus scary as shit! Awesome video as always brother, your keeping the whole community fed!! Much love, Happy Thanksgiving!

I really love Spinosaurus in there, the only (for now) aquatic Dinosaur. I like to imagine more members of the Spinosauridae (like Ichthyovenator or Vallibonavenatrix) having this same semi-aquatic life style

What about a size comparision of the permian giant amphibians? Great video!

Shonisaurus was the largest animal ever for over 200 million years.

Shastasaurus Sikanniensis that smaller than Shonisaurus? Me: wait, that's Illegal!

your videos are very good

Wonderful work.

Well im glad i pulled an all nighter now great vid

Good video! All of the animals have beautiful and unique designs!

Can you imagine a world where there's just giant Parapuzosia floating around the sea?

Fantastic! Great work 🤗🤗

Amazing artwork as always man! I showed your videos to my girlfriend, it's one of the things that are making her really like paleontology! Greetings from Brazil.

1:52 aaahh My eyes!!

Some paleontologist say that Shonisaurus could have been the same size as the blue whale.

Eretmorhipis is my favorite it's like a hybrid between platypus and marine iguanas, sadly it's so underrated compared with others strange prehistoric sea creature like anomalocaris, opabinia, helicoprion.

these are all absolutely beautiful reconstructions, good job man. im impressed

2:12 Shastasaurus Shrunked 😂

Tylosaurus tiene un nivel de detalle increíble, precioso!!

Bro that was awesome I really like that bro can you make a new video of creatops family.

Que bellos animales y que buen paleoarte hiciste!! Me encanto tu vídeo, te felicito 👍👍🎉🎉👍🎉👍

Wait its spinosaurus 2:51 :D

Next video is about T rex? And his family?

👌super

You are the best youtuber about Palezoic Era, Mezezoic Era and Cezezoic Era too Mario Lanzas! The first time I saw your cool art there

I love the representation of the tail fluke in elasmosaurids and pliosaurids, gorgeous work!

Buenísimo!!

Gran trabajo de nuevo¡ Sigue así¡ 👌

Really beautiful work again, Mario! Besides the aquatic animals here being so well done and so well researched, the overall video is so good too! I really like that you include yourself for size comparison. That's one of my favorite things to think about... imagining how big they would look in comparison to humans today. It gives you some perspective on these prehistoric animals of yesteryear compared to extant animals living among us today.

This is by far one of my favorite videos of prehistory ,your art is so impressive , The music is cool, and it’s one of my favorite topics

I really want to see all these animals in more medias and documentaries.

3:18 Good to see there man

1:26 the underwater Nigersaurus XD

It is just amazing how we as humans have only been around a tiny fraction of the time that life has existed on Earth. This like looking at some kind of alternate universe, but it really existed here so many millions of years ago.

Do you happen to have any merch or prints or full size download available of your newest Spinosaurus for buying somewhere ? It looks very good and i'd love to have it somewhere to look at !

2:10 Why is Shastasaurus small?

As always greats job

Nice ! It is much easier to understand and see the differences. Thanks.

Great work!!👏👏👏👏👏

Bien bro ya somod 6000

This is great

Real life: Mosasaurus 16 meters Jurassic World: Mosasaurus 45 meters

Loved the video

Tfw you realise Spinosaurus is longer than Mosasaurus Look at the size of that lad

Everyone: WE ALL LIVE IN SEA Spinosaurus: I don't even know how I got into this mess

Want to see Aramberri's Monster and Dorset Pliosaurs

Nice video

Hey Mario, I like your rendition of Mystriosuchus! I don't think it's appropriate to reconstruct phytosaurs overly croc-like, which is what most people do. There is some convergent evolution, but the two groups aqcuired their appearances independently and have different evolutionary backgrounds. Phytosauria is probably just outside of Archosauria. Many depictions of phytosaurs seem a bit misleading and distracting to me in that regard. Also, Mystriosuchus is believed to be more aquatic than some of its relatives, so I think it would prefer speed and agility provided by smoother skin over croc-like scutes. So yeah, I like what you did there! By the way, remains of Mystriosuchus (M. steinbergeri in particular) were found in Austria, extending the known geographic range of the genus. I am also interested in the small dorsal fin you gave Tylosaurus. I've seen some other mosasaurs depicted with them, but I never heard of actual evidence. So I assume it's on the speculative side. Is there any reasoning behind the specific shape, size and position of this structure in your Tylosaurus art? Of course the appearances of those dorsal fins would probably depend on the ecology of the individual mosasaur species. In this case, it seems to me as if you referenced the fins of baleen whales for Tylosaurus. This makes sense, as the largest mosasaurs were approaching some extant cetaceans in terms of dimensions an size. But Tylosaurus in particular being a big, pelagic macropredator, makes me wonder if the fin of this animal (in case it possesed one) would have had more resemblance to the ones seen in modern sharks and toothed whales (and therefore be a bit taller and "edgier" than portrayed in the video). I'm just curious. Also, I have a question regarding this weird bony protrusion/knob at the tip of the snout. Is it possible that this anatomical feature served as a display structure, or is there a different more likely purpose? Overall, great art as always! Keep up the quality content!

Love the new Spino!!!

God. I love these illustrations

Super thank you ❤️❤️❤️❤️❤️❤️❤️❤️❤️

Didn’t one species of Pliosaurus reach 13 meters long!.

Are you going to do the updated sea/water mammal one soon?

පට්ට බන්👍

makes one of Brazilian prehistoric animals I don't speak english, only portuguese, so if the phrases are strange, it's because I'm using the translator

පට්ට 👍

2:10 no me digas que en este 2020 se descubrió, la verdadero tamaño y longitud, del shastasaurus

Is there a book that summarize it including the maps and great illustrations that you shared here? thanks

Hey can you make animals of the the triassic era

you should start selling these comparisons as posters. These reconstructions are sooooo good looking.

How do you do the ones that don't have any good skeleton images?

Either Kronosaurus or Pliosaurus is the more accurate size to Walk With Dinosaurs' Liopluerodon

BRO STOP, DONT GO DEEPER!

What are the freshwater animals included in this video

Wait where is Leedsichthys?! Great video though the paleoart is extremely well made keep up the good work!

A estado buenísimo

Todos los comentarios son en inglés xd

Amazing video! I have one critiuqe tho: tylosaurus was the largest type of mosasurus. The largest mosasurus specimen on display is Bruce. He was 14 meters long and was a tylosaurus.

mario lanzas the paleoartist youtuber, not to be confused with nintendo's mario the jumping plumber

The real sea monsters 🔥🔥🔥

Muito bom

In case u missed something, shastasaurus is the largest marine reptile. He should be at the end of the comparison

Why is Shastasaurus that small?

The misic is the most good thing

3:06 YEEEEE Me kronasaurus is in the video

I like infinity 🤩🤝

Mosasaurus is closest to Hylonomus or Archaeothyris or Petrolacosaurus?

P.S. Shonisaurus was actually the biggest animal for around 60 million years. The Shonisaurus was the biggest animal in the Triassic, Then the Jurassic period, where the titanosaurs like Giraffatitan and Barosaurus were the biggest animals around in the jurassic, including Diplodocus. In the Cretaceous period, the Argentinosaurus was the biggest living object to exist. If you think this is a cool fact then like this comment! Especially @Jpteryx

Underwater buildings full of society from some including plesiosaurs and mosasaurs and pliosaurs and others as well!

Cuando vez por primera vez a Mario lanza en boxer Ty: eso me calienta, pero estoy tan jhot que yo si te caldeo

I thought Shastasaurus was as large as Shonisaurus?

1:36 hol up, is the map implying there was a nartow interior seaway in argentina separated fron te rest of the ocean? I need help i cannot find anything about that

How many dinosaurs do you know mario lanzas??