disjunct

progressing melodically by intervals larger than a major second

having deep constrictions separating head, thorax, and abdomen, as in insects

marked by separation of or from usually contiguous elements

• “little isolated worlds, as abruptly disjunct and unexpected as a palm-shaded well in the Sahara” Scientific Monthly

used of distributions, as of statistical or natural populations

• “disjunct distribution of king crabs”