Question: What is on the higher taxon of Homo habilis that has a date of -2800000-0-0?
Paraphrase: What is on the higher taxon of Homo habilis that features a date of -2800000-0-0?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q101373 wdt:P171 ?answer . ?answer wdt:P580 ?x FILTER(contains(YEAR(?x),'0000'))}
Answer: Homo