its a cool kitbashed army made by this guy have a look it's prity cool https://www.reddit.com/user/Dragten/posts/
I have seen models like this before, cool concept to include this guy: (link) These were cool too: (link)
Hmmm yeah taking the word "Salamanders" a tad more literally.... The Space Marine body looks surprisingly good. I am considering making Tau with Saurus or Skink heads if I ever play 40K.
Would love to see some Admech dinosaurs, like the stuff from Dinotopia: Gunning for a robot triceratops. Spoiler: dinotopia robots [ Also let us not forget about the other dinosaurs in 40K that belong to the Eldar: the Exodites! Spoiler: exodites some classic art: