This mesh can easily represent many types of imaginary and real world objects,
Such as a seed, egg sack, root, larva, shell, plant, cocoon, alien creature, weapon, excrement, ets.
ZTL file has GroupsLoops.
High and low res OBJ files are direct exports from the original ZBrush file with no alterations.
They contain some inverted face normals that you may want to fix.