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Eschrichtiidae or the gray whales is a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus), as well as four described fossil genera: Archaeschrichtius , Glaucobalaena and Eschrichtioides from Italy, [1] [2] and Gricetoides from the Pliocene of North Carolina. [3]
The gray whale (Eschrichtius robustus), [1] also known as the grey whale, [5] is a baleen whale that migrates between feeding and breeding grounds yearly. It reaches a length of 14.9 meters (49 ft), a weight of up to 41 tonnes (90,000 lb) and lives between 55 and 70 years, although one female was estimated to be 75–80 years of age.
Articles related to the Eschrichtiidae (gray whales), a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus), as well as three described fossil genera.
Eschrichtioides is one of two Eschrichtius relatives known from the Neogene of Italy, the other being Archaeschrichtius.Its holotype, MRSN 13802, comes from the early Pliocene-age Sabbie d'Asti Formation of the Piedmont region in Italy [1] and it is currently exposed in Asti's paleontological museum "Museo Paleontologico Territoriale dell'Astigiano".
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Family Eschrichtiidae (gray whale) Family Balaenopteridae (rorquals) Parvorder Odontoceti (Toothed whales) Family Physeteridae (sperm whale) Family Kogiidae (pygmy and dwarf sperm whales) Family Ziphiidae (beaked whales) Family Platanistidae (South Asian river dolphin) Family Iniidae (Amazon river dolphins) Family Lipotidae (baiji) Family ...
The term "Great Whales" covers those currently regulated by the International Whaling Commission: [8] the Odontoceti family Physeteridae (sperm whales); and the Mysticeti families Balaenidae (right and bowhead whales), Eschrichtiidae (grey whales), and some of the Balaenopteridae (Minke, Bryde's, Sei, Blue and Fin; not Eden's and Omura's whales ...
Family Eschrichtiidae – gray whale Genus Eschrichtius – gray whale; Family Balaenopteridae – rorquals Genus Megaptera – humpback whale; Genus Balaenoptera – rorquals; Parvorder Odontoceti - toothed whales Superfamily Delphinoidea. Family Monodontidae – narwhal and beluga Subfamily Delphinapterinae. Genus Delphinapterus – beluga ...