30 relations: Argon–argon dating, Baleen whale, Biotite, Cervical vertebrae, Cetotheriidae, Cetotherium, Etymology, Gunma Prefecture, Heterocetus, Holotype, Japan, Journal of Vertebrate Paleontology, Late Miocene, Latin, Mandible, Miocene, Monotypic taxon, Paleontology, Parietal bone, Rostrum (anatomy), Sagittal crest, Sanidine, Serravallian, Skull, Species, Takasaki, Gunma, Thoracic vertebrae, Tuff, Type (biology), Yoshii, Gunma.
Argon–argon dating
Argon–argon (or 40Ar/39Ar) dating is a radiometric dating method invented to supersede potassium-argon (K/Ar) dating in accuracy.
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Baleen whale
Baleen whales (systematic name Mysticeti), known earlier as whalebone whales, form a parvorder of the infraorder Cetacea (whales, dolphins and porpoises).
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Biotite
Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula.
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Cervical vertebrae
In vertebrates, cervical vertebrae (singular: vertebra) are the vertebrae of the neck, immediately below the skull.
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Cetotheriidae
Cetotheriidae is a family of baleen whales (suborder Mysticeti).
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Cetotherium
Cetotherium ("whale beast") is an extinct genus of Baleen Whale whales from the family Cetotheriidae.
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Etymology
EtymologyThe New Oxford Dictionary of English (1998) – p. 633 "Etymology /ˌɛtɪˈmɒlədʒi/ the study of the class in words and the way their meanings have changed throughout time".
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Gunma Prefecture
is a prefecture of Japan located in the Kantō region.
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Heterocetus
Heterocetus is a dubious genus of extinct cetacean.
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Holotype
A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described.
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Japan
Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.
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Journal of Vertebrate Paleontology
The Journal of Vertebrate Paleontology (JVP) was founded in 1980 at the University of Oklahoma by Dr.
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Late Miocene
The Late Miocene (also known as Upper Miocene) is a sub-epoch of the Miocene Epoch made up of two stages.
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Latin
Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.
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Mandible
The mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human face.
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Miocene
The Miocene is the first geological epoch of the Neogene Period and extends from about (Ma).
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Monotypic taxon
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon.
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Paleontology
Paleontology or palaeontology is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene Epoch (roughly 11,700 years before present).
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Parietal bone
The parietal bones are two bones in the human skull which, when joined together at a fibrous joint, form the sides and roof of the cranium.
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Rostrum (anatomy)
In anatomy, the term rostrum (from the Latin rostrum meaning beak) is used for a number of phylogenetically unrelated structures in different groups of animals.
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Sagittal crest
A sagittal crest is a ridge of bone running lengthwise along the midline of the top of the skull (at the sagittal suture) of many mammalian and reptilian skulls, among others.
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Sanidine
Sanidine is the high temperature form of potassium feldspar with a general formula K(AlSi3O8).
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Serravallian
The Serravallian is in the geologic timescale an age or a stage in the middle Miocene epoch/series, that spans the time between 13.65 ± 0.05 Ma and 11.608 ± 0.005 Ma (million years ago).
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Skull
The skull is a bony structure that forms the head in vertebrates.
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Species
In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.
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Takasaki, Gunma
is a city located in Gunma Prefecture, Japan.
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Thoracic vertebrae
In vertebrates, thoracic vertebrae compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae.
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Tuff
Tuff (from the Italian tufo) is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption.
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Type (biology)
In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached.
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Yoshii, Gunma
was a town located in Tano District, Gunma Prefecture, Japan.
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References
[1] https://en.wikipedia.org/wiki/Joumocetus