Mammoth construction of the Great Pyramid of ancient Egypt. The earliest known proboscideans, the clade that contains the elephants, existed about 55 million years ago around the Tethys Sea area. The closest relatives of the Proboscidea are the sirenians and the hyraxes. The family Elephantidae is known to have existed six million years ago in Africa, and includes the living elephants and the mammoths. Among many now extinct clades, the mastodon is only a distant relative of the mammoths, and part of the separate Mammutidae family, which diverged 25 million years before the mammoths evolved. The following cladogram shows the placement
Extinct language dialects (French, Italian, Spanish, Corsican, Asturian, Ladin, etc.). Similarly, Old English and Old High German never died, but developed into various forms of modern English and German. With regard to the written language, skills in reading or writing Etruscan are all but non-existent, but trained people can understand and write Old English, Old High German and Latin. Latin differs from the Germanic counterparts in that an approximation of its ancient form is still employed to some extent liturgically. This last observation illustrates that for Latin, Old English, or Old High German to be described accurately as dead or extinct, the