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
Mastodon (software) other instances do this too. Instances can also choose to limit, or filter out messages with disparaging content. Mastodon's founder Eugen Rochko believes that small, close communities would police toxic behavior more effectively than a large company's small safety team. Users can also block and report others to administrators, much like on Twitter. In September 2018, with the release of version 2.5, that features redesigned public profile pages, Mastodon marked its 100th release. Then, at the end of October, Mastodon 2.6 came out, introducing the possibilities of verified profiles and live, in-stream link previews for images and videos. Mastodon is