Some species have been known to circle back to lost traits, but it's rare and not usually though the same genetic lines.

Six new prenylated indole alkaloids, named notoamides F−K (8−13), were isolated from a marine-derived Aspergillus sp. Their structures, including absolute configurations, were elucidated by ...

Nine new alkaloids, melodinines M–U (1–9), and 11 known alkaloids were isolated from Melodinus suaveolens. The new structures were elucidated by extensive NMR and mass spectroscopic analyses and ...