About: Muroid molar

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Rodents of the superfamily Muroidea, which includes mice, rats, voles, hamsters, bamboo rats, and many other species, generally have three molars in each quadrant of the jaws. A few of the oldest species retain the fourth upper premolar, and some living species have lost the third and even the second molars. Features of the molar crown are often used in muroid taxonomy, and many different systems have been proposed to name these features.

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  • Rodents of the superfamily Muroidea, which includes mice, rats, voles, hamsters, bamboo rats, and many other species, generally have three molars in each quadrant of the jaws. A few of the oldest species retain the fourth upper premolar, and some living species have lost the third and even the second molars. Features of the molar crown are often used in muroid taxonomy, and many different systems have been proposed to name these features. (en)
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  • 903009620 (xsd:integer)
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dbp:align
  • right (en)
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  • Two molars, inversed from the previous two, with the third still in the bone. (en)
  • Three molars in a bone, with more narrowly connected cusps. (en)
  • Three molars in a bone, with broadly connected cusps. (en)
  • Three molars in a bone, with narrowly connected cusps, labeled M1, M2, and M3 from the top down. (en)
  • Three molars in a bone. The cusps are broadly connected. (en)
  • Three molars in a bone, with narrowly connected cusps. (en)
  • Three molars in a bone, with narrowly connected cusps, labeled m1, m2, and m3 from the top down. (en)
dbp:direction
  • horizontal (en)
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  • Upper and lower molar row of Megalomys desmarestii, showing commonly used nomenclature for the molars. (en)
  • Ontogeny of the molars in Megalomys desmarestii. From left to right: Left upper molar row of an older animal, left upper molar row of a younger animal, right upper molar row of the same young animal with the M3 not yet erupted, left lower molar row of the older animal, left lower molar row of the younger animal. (en)
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  • center (en)
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  • Left lower 1 rotated2.png (en)
  • Megalomys desmarestii dex s 26124.png (en)
  • Megalomys desmarestii sin i 26124 m.png (en)
  • Megalomys desmarestii sin i 26124.png (en)
  • Megalomys desmarestii sin s 21287.png (en)
  • Megalomys desmarestii sin s 26124 M.png (en)
  • Megalomys desmarestii sin s 26124.png (en)
dbp:lower
  • 1 (xsd:integer)
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  • 16 (xsd:integer)
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  • 1 (xsd:integer)
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  • 100 (xsd:integer)
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  • Rodents of the superfamily Muroidea, which includes mice, rats, voles, hamsters, bamboo rats, and many other species, generally have three molars in each quadrant of the jaws. A few of the oldest species retain the fourth upper premolar, and some living species have lost the third and even the second molars. Features of the molar crown are often used in muroid taxonomy, and many different systems have been proposed to name these features. (en)
rdfs:label
  • Muroid molar (en)
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