The discovery of a 3.2-million-year-old hominin skeleton named Lucy revolutionized human evolutionary studies. Her Linnean classification as Australopithecus afarensis sparked debates on taxonomy, highlighting the complexity of interpreting fossil evidence and shaping our understanding of hominin evolution. Lucy's systematics provide insights into the challenges of classifying early hominins, emphasizing how interpretations evolve with new evidence and knowledge. Comparing fossils with living ape taxa and extinct species helps infer evolutionary relationships, while considering temporal variation adds depth to our understanding. Lucy's case illustrates the ongoing debate on species classification in paleoanthropology and the critical role of evidence in shaping taxonomic hypotheses. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39837]