I raced 3 cubimals and zoned before they reentered my inventory and they are gone forever. Awesome inventory management system you guys have implemented.
Ouch, perhaps this is by design since it logical that when you teliported away and left your cubimal miles behind, it couldn't get back to you, but I doubt the designers would intentionally choose realism over utility in a case like this
You should file an in-game bug report. Those are tracked and you have the opportunity to request further information. The forums are not the best place for a specific incident relating to your account.