Rosamund Hodge, Crimson Bound a/o Katherine Addison, The Goblin Emperor
these do not have dinos, but they're both books that my friend whose nom de internet is "Rexy" has recommended to me so close enough
the first one is basically Dementlieu but YA fiction, and there is also a Sarah Monette The Goblin Emperor
lol no worries I love books in general. fantasy and urban fantasy are favs
ironically about all I wont read is horror lol
both are straight fantasy