Final answer:
Ardipithecus ramidus lived during the Lomekwian period.
Step-by-step explanation:
The hominin species that lived during the earliest Lomekwian (3.3 million years ago) was Ardipithecus ramidus.
Ardipithecus ramidus, also known as Ardi, is one of the earliest known hominin species. It lived between 4.4 and 5.6 million years ago. While the status of Ardipithecus as a direct human ancestor is uncertain, it is considered an important part of the human evolutionary tree.
Compared to the other options, Homo habilis, Australopithecus afarensis, and Homo erectus, Ardipithecus ramidus is the most likely species to have lived during the time period mentioned in the question.