The most common and most likely answer to this crossword clue is the 9 letter word DINOSAURS
I've seen this crossword clue in The Guardian
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More clues leading to the result DINOSAURS
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The straight part
We know that "old-fashioned types?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case old-fashioned types? = dinosaurs.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DINOSAURS mean?
DINOSAURS noun- In scientific usage, any of the animals belonging to the clade Dinosauria, especially those that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct.
- In non-scientific usage, any non-avian dinosaur.
- Any extinct reptile, not necessarily belonging to Dinosauria, that existed between about 230 million and 65 million years ago.
- A person or organisation that is very old, has very old-fashioned views, or is not willing to change and adapt.
- Anything no longer in common use or practice.