They can not be exported from Australia but they are available. I have one but I am not in Australia. This is because there are breeders outside Australia, and I believe they can be sold between countries, just not from Australia. Like mentioned above they are very expensive. I got mine 5 years ago I paid equivalent of over 2000 USD for her. That's what they wanted for it and wouldn't budge on price. I went back to the store several days a week to handle her, I loved her so much. Then I finally decided to take her home as a christmas gift for myself.
They also had a pair of rugosa rugosa there, and they stayed there for a couple of years, no one bought them. Then one day I went in there and there were two babies! The store owner said that some guy from overseas had already paid the deposit for the parents months ago, but he gave back the money before shipping because he realized the female was gravid. Dunno if that is right or wrong business wise but the babies wrre adorable.
I asked the guy where all the shinglebacks were coming from, and he said some guy was breeding them but hit hard times and just sold everything off at once.