The skin model animation cannot export exactly,test many time.,not the pointcatch.
I upload the file.test it please.
x001.zip (8.2 MB)
Sorry for late reply. We were on vacation. I can export with animation. x001b100.2.usd (23.2 MB)
But I do not have mental ray. Maybe you can try again by turning off it.On the other hand, did you see anything strange in the script window output?