Quote - If anyone can use those morphs that went wonky for anything useful on Antonia, anyone who wishes to fix them or use them in any useful way has my permission and blessing to go forth and help make a usable figure!  Go for it!

Many thanks, Joel!  :D

Quote - I've tried to repair the shift, but it's too irregular. Just one of those weird deformations Poser sometimes produces. Maybe someone more talented than I can find a way. Also, some kind of filtering could maybe alleviate the effect.

Do you remember for which version of Antonia these were created?

I'm looking at the morphs, and they seem to have an embedded rotation on X.  I've ended up with this sort of thing before when I've exported an actor on a figure I though was zeroed, but wasn't, and I didn't check the "export as morph target" box.  The movement also looks consistent across morphs.  If that's so, then the morphs can be analyzed and a base movement for each vertex can be determined, because every vertex is affected by only this unwanted motion (as opposed to the intended morph) in at least one of the morphs.  If that unwanted movement can be isolated, it can be subtracted from the whole set of morphs.

Assuming the motion actually is as consistent as it seems. 

How do you mean it is "irregular", odf?

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.