![I've been wanting to do a sauropod for a while and the new Prehistoric Planet's take on 'air sacs' inspired me to a defining feature for my large fellows here. I based I've been wanting to do a sauropod for a while and the new Prehistoric Planet's take on 'air sacs' inspired me to a defining feature for my large fellows here. I based](https://preview.redd.it/xdxchfqltwu81.png?auto=webp&s=2e5f09989f705ef14ed83d153da4b05ad8bd78cd)
I've been wanting to do a sauropod for a while and the new Prehistoric Planet's take on 'air sacs' inspired me to a defining feature for my large fellows here. I based
![Brian Engh on Twitter: "The complex air sac system throughout the bodies of #birds & #dinosaurs actually leaves impressions in their bones. All the scooped-out swoopy spaces between the muscle attachments & Brian Engh on Twitter: "The complex air sac system throughout the bodies of #birds & #dinosaurs actually leaves impressions in their bones. All the scooped-out swoopy spaces between the muscle attachments &](https://pbs.twimg.com/media/FOnywlzXIAM422X.jpg)
Brian Engh on Twitter: "The complex air sac system throughout the bodies of #birds & #dinosaurs actually leaves impressions in their bones. All the scooped-out swoopy spaces between the muscle attachments &
![PALAEONTOLOGY[online] | Article: Fossil Focus > Fossil Focus: The Archosaur Respiratory System — Or — Breathing Life into Dinosaurs PALAEONTOLOGY[online] | Article: Fossil Focus > Fossil Focus: The Archosaur Respiratory System — Or — Breathing Life into Dinosaurs](https://i0.wp.com/www.palaeontologyonline.com/wp-content/uploads/2017/08/cover.jpg?fit=1040%2C483&ssl=1)
PALAEONTOLOGY[online] | Article: Fossil Focus > Fossil Focus: The Archosaur Respiratory System — Or — Breathing Life into Dinosaurs
![The absence of an invasive air sac system in the earliest dinosaurs suggests multiple origins of vertebral pneumaticity | Scientific Reports The absence of an invasive air sac system in the earliest dinosaurs suggests multiple origins of vertebral pneumaticity | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-022-25067-8/MediaObjects/41598_2022_25067_Fig1_HTML.png)