Hi.
Tes4edit - use for such things as adding/changing master i.e from oblivion to Nehrim.
Or for helping you at the moment, load your race esp. Make sure Nehrim is the master. If not add Nehrim as master then use wrye bash to alter Oblivion master to Nehrim.
Tes4Edit will show which nifs and textures your race is actually using. Can see what is faulty or might need changing. Can manually edit locations from within Tes4Edit.
P.S only been teaching myself this stuff for the last 6 to 8 weeks.
Check the guide on this forum for converting mods to see how to install Tes4Edit correctly. I actually have 2 reg files on my desktop so I can swap it between Oblivion and Nehrim.
As for meshes, only meshes (nifs) you will see, will be for the head/eyes/hair etc. Not any body meshes, they come from the _male folder.
see Tes4edit below. Race I have half created, pinching bits from everywhere else.
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TES4Edit