detailist

The lawyer-like regulatory systems exhibit qualities and flaws not unknown in the parent profession. They are moral and preachy, careful and slow, professional and inbred, studious and detailist.

This question is not only concerned with detailist information, but in terms of its stem, all answers are correct except kingdoms, for phyla are, indeed, divided into all of the last four categories, even though the student is supposed to ferret out (4) as the immediate sub-division concerned...