Cryptic crossword No 2,542

Some good stuff here jneen, well done! I especially liked 13a and 24d. Spoilery comments below (which should be taken with a pinch of salt as I'm a bit of a novice)...

Thanks jneen. Nice pangram, and very educational for this dinosaur! Some neat stuff here - 9a, 11a, 27a and 14d my favourites.