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The evolutionary split between placentals and marsupials occurred 125-160 million years ago, in the Middle Jurassic-Early Cretaceous period. Presently, close to 70% of the 334 extant marsupial species are concentrated on the Australian continent, including mainland Australia, Tasmania, New Guinea, and nearby islands.
The original drawing of the line in Wallace's paper. One of the earliest descriptions of the biodiversity in the Indo-Australian Archipelago dates back to 1521 when Venetian explorer Pigafetta recorded the biological contrasts between the Philippines and the Maluku Islands (Spice Islands) (on opposite sides of Wallace's Line) during the continuation of the voyage of Ferdinand Magellan, after ...
The first evidence of marsupials in Australia comes from the Tertiary, and was found at a 55-million-year-old fossil site at Murgon, near Kingaroy in southern Queensland. The Murgon fossil site has yielded a range of marsupial fossils, many with strong South American connections — unsurprising since the two continents were both a part of ...
English: Marsupial world distribution Introduced - in New Zealand the introduced species is the common bushtail possum ( Trichosurus vulpecula ), while on the west coast of North America it is the Virginia opossum ( Didelphis virginiana ).
Opossums (/ ə ˈ p ɒ s ə m z /) are members of the marsupial order Didelphimorphia (/ d aɪ ˌ d ɛ l f ɪ ˈ m ɔːr f i ə /) endemic to the Americas.The largest order of marsupials in the Western Hemisphere, it comprises 126 species in 18 genera.
The surviving tropical population of primates, which is seen most completely in the upper Eocene and lowermost Oligocene fossil beds of the Faiyum depression southwest of Cairo, gave rise to all living species—lemurs of Madagascar, lorises of Southeast Asia, galagos or "bush babies" of Africa, and the anthropoids: platyrrhine or New World ...
Marsupials of Central America (15 P) N. Marsupials of North America (9 P) O. Marsupials of Oceania (2 C, 6 P) S. Marsupials of South America (11 C, 3 P)
3.5 Western Asia. 4 Europe. Toggle Europe subsection. 4.1 Central Europe. ... They are organized by continent, region, and country, and in some places by sub-national ...