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The shape of the metatarsal and phalanges reveal that these bones could be tightly compressed during flexion and widely separated during extension. The five-fingered hand of R. balochistanensis is mesaxonic (i.e. has a central digit) with three weight-bearing central digits equipped with nail-like hooves, flanked by two more slender digits ...
Ambulocetus is among the best-studied of Eocene cetaceans, and serves as an instrumental find in the study of cetacean evolution and their transition from land to sea, as it was the first cetacean discovered to preserve a suite of adaptations consistent with an amphibious lifestyle.
Cetacea.org homepage; Walker's Mammals of the World Online - Cetaceans Archived 2004-10-11 at the Wayback Machine (Unfortunately, the online edition of Walker's Mammals of the World is no longer available. The print edition may still be purchased through the Johns Hopkins University Press.) Cetacean Society International
Skeletal drawing of Maiacetus. Drawing of Rodhocetus.. There were many genera, and some of these are very well known (e.g., Rodhocetus).Known protocetids had large fore- and hindlimbs that could support the body on land, and it is likely that they lived amphibiously: in the sea and on land.
Remingtonocetus domandaensis was named by Gingerich et al. 2001 based on a partial skeleton found in a Lutetian coastal shale in the Domanda Formation of Pakistan. [3] Remingtonocetus is larger, has a broader rostrum, and longer premolars than Andrewsiphius. It is smaller than, has more gracile premolars and molars than Dalanistes.
Zygorhiza, mounted skeleton. Basilosaurids ranged in size from 4 to 16 m (13 to 52 ft) and were fairly similar to modern cetaceans in overall body form and function. [7] Some genera tend to show signs of convergent evolution with mosasaurs by having long serpentine body shape, which suggests that this body plan seems to have been rather ...
There is a 50 thousand-year-old fossil skeleton of Hippopotamus antiquus. Also, there is a reconstruction of Indohyus, a terrestrial mammal ancestor of modern cetaceans. The exhibition then continues with the cast of a skeleton and the reconstruction of an Ambulocetus natans, an ancient cetacean that was probably able to both swim and walk.
This species is medium-sized with a skeleton 2.6 metres (8.5 ft) in length and an estimated weight of 280 to 390 kilograms (620 to 860 lb). Males are slightly larger than females; of the two adult skeletons found, the one interpreted as male was about 12% larger than the one interpreted as female.
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