与 «THECODONT»相关的英语书籍
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thecodont的用法。与
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Thecodont: Archosaur, Permian, Triassic, Dinosaur, ...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken, 2010
Thecodont ("socket-toothed" reptile), now considered an obsolete term, was formerly used to describe a diverse range of early archosaurs that first appeared in the Latest Permian and flourished until the end of the Triassic period.
Jesse Russell, Ronald Cohn, 2012
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Ancient Marine Reptiles
SUMMARY Four essential types of dental implantation are recognized for
ichthyosaurs, namely, the subthecodont, ankylosed thecodont, ichthyosaurian
thecodont, and aulacodont types. The subthecodont type, as exemplified by the
oldest ...
Jack M. Callaway, Elizabeth L. Nicholls, 1997
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Competition Science Vision
Thecodont teeth are characteristic of mammals. Teeth have well developed roots
implanted deep in sockets called alveoli or theca in the jaw bone, a crown project
above the socket. ○ In mammals the roots of thecodont teeth are longer and ...
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Together with Biology Class XI
Digestion and Absorption 16 < IMPORTANT TERMS > 1. Thecodont 2.
Diphyodont 3. Heterodont 4. Mesothelium 5. Deglutition 6. Bolus 7. Chyme 8.
Ingestion 9. Digestion 10. Absorption 11. Egestion 12. Peristalsis 13. Hydrolases
14.
... Rlzopalodon Mantellii (Fischer), to be a genus very nearly allied to the
thecodont Saurians of the dolomitic conglomerate of Bristol (Thecodontosaurus
of Riley and Stntchbury), and quite distinct from the triassic genus Cylindricodon
of Jiiger, ...
Sir Roderick Impey Murchison, Edouard de Verneuil, Alexander Keyserling (graf), 1845
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Palaeontographical Society Monographs
vegetable remains, high up the cliff, at Durdleston Bay, Isle of Purbeck. They
consist of portions of the upper and lower jaws of a Saurian, allied, by the shape
of the teeth, to Macellodon, but of much larger size, and with the thecodont ...
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The Geology of Russia in Europe and the Ural Mountains: Geology
... Rhopalodon Mantellii (Fischer), to be a genus very nearly allied to the
thecodont Saurians of the dolomitic conglomerate of Bristol (Thecodontosaurus
of Riley and Stutchbury), and quite distinct from the triassic genus Cylindricodon
of Jager, ...
Roderick Impey Murchison, 1845
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Palaeontographical society
to the squamate or Lacertine division of the order, the teeth being implanted in
sockets, either loosely or confluent with the bony walls of the cavity ; these I have
termed the ' Thecodont' Lacertians."1 The following genera — Hiecodontosaurus
...
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Development, Function and Evolution of Teeth
The evolutionary selection for six groups of the thecodont type of tooth
attachment was an important event in the phylogeny of mammals. These six
patterns correlate directly with the different forms (heterodonty) and functions of
the specialized ...
Mark F. Teaford, Moya Meredith Smith, Mark W. J. Ferguson, 2000
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Scientist of the Week: Alan Feduccia
... features; and second, it appeared to be what we called in years past a “thecodont” — now more appropriately a basal archosaur, a pre-dinosaurian reptile. «Laboratory Equipment, 八月 14»
A hüllőmedencéjűek (Saurischia) és a madármedencéjűek …
A tudósok szerint a dinoszauruszok a két lábon járó thecodont-ok (az első archoszauruszok) leszármazottai. Sok dinoszauruszfaj megőrizte a két lábon való ... «Háziállat Magazin, 四月 11»
Odkrili najbolje ohranjen fosil predhodnika dinozavrov
Spadajo v družino plazilcev thecodont in imajo veliko globoko lobanjo, ostre zobe in dolg rep. Fosilne ostanke živali je 160 kilometrov od kraja Porto Alegre ... «Delo, 五月 10»
