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The bottlenose dolphin is a toothed whale in the genus Tursiops.They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins. Molecular studies show the genus contains three species: the common bottlenose dolphin (Tursiops truncatus), the Indo-Pacific bottlenose dolphin (Tursiops aduncus), and Tamanend's bottlenose dolphin (Tursiops erebennus).
The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to have proceeded over a period of at least 15 million years. [2] Cetaceans are fully aquatic mammals belonging to the order Artiodactyla and branched off from other artiodactyls around 50 mya.
The cetaceans (whales, dolphins and porpoises) are descendants of land-living mammals, the even-toed ungulates. The earliest cetaceans were still hoofed mammals. These early cetaceans became gradually better adapted for swimming than for walking on land, finally evolving into fully marine cetaceans.
To commemorate the 50th anniversary of the Dolphins’ Perfect Season, The Miami Herald is running weekly conversations with members of the 1972 team that went 17-0.
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Fifty years ago, the Miami Dolphins became the first NFL franchise to have a perfect season, an accomplishment that has never been matched. A look back at a legendary team that put South Florida ...
"Million Years Ago" (2015) Adele: A Brazilian court ruled that Adele had to cease publication of "Million Years Ago". [74] 2015 "Takin' Me to Paradise" (1983) Bruno Bergonzi and Michele Vicino "The Most Beautiful Girl in the World" (1994) Prince: Songwriting credits and compensation for moral rights [75] 2015 The Machine film score (2013) Tom ...
Isthminia panamensis is an extinct genus and species of river dolphin, living 5.8 to 6.1 million years ago. Its fossils were discovered near Piña, Panama. [15] [16] River dolphin has been considered a taxonomic description, suggesting an evolutionary relationship among the group, although it is now known that they form two distinct clades.