Parabasilids are excavates that lack functional mitochondria and lack a Golgi complex.

Parabasilids

Parabasilids are a group of protozoa, mostly symbiotic or parasitic, with a distinct structure known as the parabasal body, associated with the Golgi apparatus.

Mitochondria

Organelles within cells that produce energy through cellular respiration, often referred to as the powerhouses of the cell.

Golgi Complex

A cell organelle responsible for modifying, sorting, and packaging proteins and lipids for export or delivery to other organelles.