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An Elephant Safari Through Time - Proboscidea Evolution

AN ELEPHANT SAFARI THROUCH TIME: PROBOSCIDEA EVOLUTION Proboscidea are the order of animals Proboscidea are which elephants belong to defined by t distinquishing features: #1 TRUNK #2 TUSKS There have been There are 10 familes of proboscidea: 177 Numidotheriidae Deinotheridae Moeritheriidae species & subspecies of proboscidea discovered Barytheriidae Phiomiidae Stegodontidae Gomphotheriidae Mammutidae Palaeomastodontidae Elephantidae 2 3 4 1- Man 2 - Pigmy Mammoth 3 - Palaeomastodon 4 - Asian Elephant 5 - Deinotherium 6 - African Elephant The first proboscidea evolved more than 46 MILLION 7- Gompotherium 8 - Mammoth 9- Stegodon years ago - 56 m years Numidotheriidae Moeritheriidae - 33.9 m years Palaeomastodontidae Barytheriidae Phiomiidae - 23.03 m years - 5.33 m years - 2.88 m years Deinotheriidae Stegodontidae Gomphotheriidae Mammutidae - 11,700 years PRESENT DAY Elephantidae Elephantidae are the only non extinct family of proboscidea Mammoth Mammuthus Of the Elephantidae family only two species are still alive today Asian Elephant African Elephant Loxodonta Elephas maximus The last colony of The evolution of proboscidea happened over six epochs of the earth's history mammoths survived on a Siberian island until 1700 BC EOCENE 56 - 33.9 million years ago MOERITHERIUM Mammals became Stood 70cm to the shoulder the dominant form of life during this time Distantly related to modern Name means sea cow 'Beast of the Lake Moeris' PALAEOMASTODON Evolved and became extinct during Miocene Ancestors of elephants Shovel like lower tusks OLIGOCENE The seperation of the 33.9 - 23 million years ago Australasian and Antarctic continents caused global cooling and the ice cap to form Era known as "Great Divide' due to high numner BARYTHERIUM of extinctions First evolved in the late Pliocene became extinct in the early Oligocene Only species of Barytheriidae family discovered 8. TUSKS 4 horizontal 4 vertical MIOCENE Grassland first appears and kelp forests in the sea 24.5 - 5.1 milLlion years ago DEINOTHERIUM First evolved in the Middle Miocene became extinct during Plieistocene Name means 'Terrible Beast' in Greek PLATYBELODON Only lived in the Miocene period Member of Gompotheriidae family Known as "Shovel Tuskers' PLIOCENE First fossil records of man's ancestors appear in this time 5.33 -2.58 million years ago Contintents reach modern positions PRIMELEPHAS First evolved in the Late Miocene became extinct during Pliocene Ancestor of: Elephantidae & Mammuthidae TUSKS PLEISTOCENE 1.8 million - 11,700 years ago Modern man first appears MASTODON First evolved in the Late Miocene became extinct during Pleistocene Member of Mammuthidae family Lived in North and Central America MAMMOTH Evolved in Africa druring the Pleistocene Could survive 25 million years after mastodons -5°c 'Dwarf Mammoths' 1.13m to shoulder lived on Crete There are at least two current projects to bring Mammoths back from extinction HOLOCENE 11,700 years ago - present day The 'Age of Man' - homo sapiens become the dominant form of life AFRICAN ELEPHANT Loxodonta First evolved in the middle Pliocene 2 sub species: African Bush - African Forest I 470,000 -690,000 alive today VULNERABLE ASIAN ELEPHANT Elephas maximus First evolved in the late Pliocene 3 sub species: - Sri Lankan - Indian - Sumatran 25,600 - 32,750 alive today ENDANGERED MIRUS Sources EXTRAORDINARY JOURNEYS

An Elephant Safari Through Time - Proboscidea Evolution

shared by RollyP on Apr 28
With the African Elephant classed as a vulnerable species and the Asian Elephant endangered we look at the long and rich history of proboscidea, the order of animals elephants belong to. Take a elepha...


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