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Ambulocetus (Latin ambulare "to walk" + cetus "whale") is a genus of early amphibious cetacean [a] from the Kuldana Formation in Pakistan, roughly 48 or 47 million years ago during the Early Eocene . It contains one species, Ambulocetus natans (Latin natans "swimming"), known solely from a near-complete skeleton.
The plant grows up to 0.4 m (1.3 ft). The flowers are white, pedicellate, with six obovate petals and bloom from May to July. [3] After it flowers, it bears dark blue/purple fruit with a white powdery coating from June to August. [4] Its stems are terete and grow 30–60 cm (12–24 in) long. Its rhizomes are stout and knotty. The plant is ...
Cetaceans (or Cetacea, from the ancient Greek κῆτος, meaning 'sea monster') form an infra-order of marine mammals. In 2020, approximately 86 species of cetaceans had been identified worldwide. [1] Among these species, at least 35 have been sighted in the wider Caribbean region with very widespread distribution and density variations ...
In the late 1990s, however, cladistic analyses based on molecular data clearly placed Cetacea within the Artiodactyla near the hippopotamus. One of the diagnostic characteristics of artiodactyls is the double-pulley astragalus (heel bone), and palaeontologists, unconvinced by the data from the labs, set themselves out to find archaeocete single ...
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The following is a list of currently existing (or, in the jargon of taxonomy) 'extant' species of the infraorder cetacea (for extinct cetacean species, see the list of extinct cetaceans). The list is organized taxonomically into parvorders, superfamilies when applicable, families, subfamilies when applicable, genus, and then species.
The Pakicetus skeleton reveals several details regarding the creature's unique senses and provides a newfound ancestral link between terrestrial and aquatic animals. As previously mentioned, the Pakicetus' upward-facing eye placement was a significant indication of its habitat.