- Only a single fossil monodontid is known, and it came from the late Miocene of Baja California, Mexico. Fossils found in Pleistocene clays of eastern North America indicate that belugas underwent large range extensions and contractions in response to glacial processes.www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-…
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See all on WikipediaMonodontidae - Wikipedia
The cetacean family Monodontidae comprises two living whale species, the narwhal and the beluga whale and at least four extinct species, known from the fossil record. Beluga and Narwhal are native to coastal regions and pack ice around the Arctic Ocean. Both species are relatively small whales, between three … See more
The monodontids, oceanic dolphins (Delphinidae) and porpoises (Phocoenidae) together comprise the Delphinoidea superfamily. Genetic evidence suggests the porpoises are more closely related to the white whales, … See more
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• Data related to Monodontidae at Wikispecies See moreWikipedia text under CC-BY-SA license Monodontidae - an overview | ScienceDirect Topics
WEBThe earliest fossil record of the monodontids is of an extinct beluga Denebola brachycephala from late Miocene deposits in Baja California, Mexico, indicating that this family once occupied temperate ecozones. Recent phylogenetic studies contend that the Monodontidae emerged some 10.4–14.5 million years ago (Hassanin et al., 2012).
Smithsonian Scientists Describe a 'New' Fossil Whale
WEBby Jorge Velez-Juarbe. Monodontids, the group of whales that includes the belugas and narwhals swimming our ocean today, are emblematic symbols of the Arctic. However, their fossil record, although scarce, suggests that these …
Illustration of a New Fossil Whale, Bohaskaia monodontoides
WEBMonodontids, the group of whales that includes living belugas and narwhals, are emblematic symbols of the Arctic. However, the fossil record shows that these animals had a much larger range than the northern pole.
Dolphins, Porpoises, and Monodontids, Evolution - ScienceDirect
WEBJan 1, 2018 · Kentriodontidae. Eurhinodelphinidae. evolution. fossil. Crown delphinoids (Odontoceti: Delphinoidea) are a disparate and diverse clade of toothed whales comprising the Delphinidae (~36 extant species of oceanic dolphins), Monodontidae (extant members include the narwhal and beluga), and Phocoenidae (~7 extant species of true porpoises).
- Author: Rachel Racicot
- Publish Year: 2018
ADW: Monodontidae: INFORMATION
WEBMonodontidae beluga and narwhal. Monodontidae. beluga and narwhal. The two species of this family are found at high latitudes in the arctic seas and in most of the major rivers draining into them, south to the Saint …
Bohaskaia monodontoides, a new monodontid (Cetacea, …
WEBFeb 28, 2012 · Such data from the fossil record of Monodontidae indicates that putative cold climate adaptations of living monodontids might have appeared under different environmental conditions and that their Holarctic and sub-Arctic distribution is a relatively recent phenomenon.
Bohaskaia monodontoides, a New Monodontid (Cetacea, …
WEBMar 1, 2012 · Reported fossils from the east coast of North America have been collected from the Yorktown Formation in North Carolina and Virginia; the most notable of these finds includes material from the Lee Creek Mine, in North Carolina, which consists of an associated collection of isolated periotics, a fragmentary mandible, and skull fragments ( …
First monodontid cetacean (Odontoceti, Delphinoidea) from the …
WEBDec 1, 2018 · Monodontids are among the most enigmatic cetaceans due to their scarcity in the fossil record. Previously, except for fragmentary materials, only three skulls were known from the...
A monodontid cetacean from the Early Pliocene of the …
WEBJan 1, 2007 · A partial skeleton from the Early Pliocene of Antwerp (north of Belgium), including a fragmentary skull, corresponds to the first record of a fossil member of the family Monodontidae in the...
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