---
title: Ornithischians
description: "Dalle origini del pianeta alle grandi estinzioni. Un viaggio attraverso 4 miliardi di anni di storia, dalle prime forme di vita dell'Adeano ai giganti del Mesozoico e oltre."
---

"Bird-hipped" Dinosaurs

## Species Profiles

![](https://noidinosauri.it/images/encyclopedia/dinosaurs/ankylosaurus%20magniventris/ankylosaurus-magniventris-eating-grass-forest-late-cretaceous.webp)

### Ankylosaurus magniventris

The Living Tank: Build and Posture
The anatomy of Ankylosaurus functioned as a mobile fortress,…

[In-depth details](https://noidinosauri.it/index.php?option=com_content&view=article&id=459:ankylosaurus&catid=121&lang=en-GB)

![4 Stegosauruses heat near river](https://noidinosauri.it/images/encyclopedia/dinosaurs/stegosaurus/group-of-stegosauruses-river-bank-forest-late-jurassic.webp)

### Stegosaurus

The anatomy of the Stegosaurus is defined by a stark disproportion between its massive, tank-like…

[In-depth details](https://noidinosauri.it/index.php?option=com_content&view=article&id=271:stegosaurus&catid=121&lang=en-GB)

![](https://noidinosauri.it/images/encyclopedia/dinosaurs/torosaurus/torosaurus-in-floodplain-late-cretaceous.webp)

### Torosaurus

The Pierced Shield (Skull and Frill)
The anatomy of Torosaurus is defined by a cranial scaffolding…

[In-depth details](https://noidinosauri.it/index.php?option=com_content&view=article&id=261:torosaurus&catid=126&lang=en-GB)

![](https://noidinosauri.it/images/encyclopedia/dinosaurs/triceratops/triceratops-tore-up-low-plants-late%20Cretaceous.webp)

### Triceratops

The walking armory (Skull and horns)
The anatomy of Triceratops relies on a cranial architecture…

[In-depth details](https://noidinosauri.it/index.php?option=com_content&view=article&id=252:triceratops&catid=126&lang=en-GB)

![](https://noidinosauri.it/images/encyclopedia/dinosaurs/iguanodon/iguanodon-bernissartensis-early-cretaceous-river.webp)

### Iguanodon bernissartensis

The Wrist Dagger
A straight, fifteen-centimeter cone of bone, rigidly fused to the joint, served…

[In-depth details](https://noidinosauri.it/index.php?option=com_content&view=article&id=530:iguanodon&catid=131&lang=en-GB)

![](https://noidinosauri.it/images/encyclopedia/dinosaurs/lambeosaurus/Lambeosaurus-lambei-floodplain-group.webp)

### Lambeosaurus lambei

The Acoustic Crown of the Cretaceous
Forget spikes and claws; this giant's ultimate survival tool…

[In-depth details](https://noidinosauri.it/index.php?option=com_content&view=article&id=475:lambeosaurus-lambei&catid=131&lang=en-GB)