원시색소체생물

Archaeplastida (pronounced ) or archaeplastids, sometimes also regarded as the kingdom Plantae sensu lato ("in a broad sense"), are a large group of eukaryotes comprising the major clades Viridiplantae (green algae and land plants) and Rhodophyta (red algae), as well as the minor division Glaucophyta ("grey algae"). While the vast majority of archaeplastids are autotrophs, the group also includes heterotrophic lineages such as the predatorial (eukaryotrophic) flagellates Rhodelphidia and probably also the microscopic picoplankton Picozoa, both may be sister to Rhodophyta and altogether forming