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hypocone
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hypocone
hypocone Zool. (ˈhaɪpəʊkəʊn) [f. hypo- + cone n.1] An external cusp on the inner back corner of a mammalian upper molar tooth.1888 H. F. Osborn in Amer. Naturalist XXII. 1072 The first ‘secondary’ cusps (hypocone—hypoconid), added to the upper and lower molars of the primitive triangle, modify the c...
Oxford English Dictionary
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Pelycodus
ectotympanic, small eyes, non-elongated tarsus and numerous premolar and molar crests and within Notharctinae because of its four premolars, unfused mandible, a hypocone It has a much better developed hypocone and mesostyle than many species of Cantius, but not quite as developed as Notharctus.
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hypoconid
hypoconid Zool. (haɪpəʊˈkəʊnɪd) [f. hypocone + -id5.] A cusp on a mammalian lower molar tooth corresponding to the hypocone on an upper molar.1888 H. F. Osborn in Amer. Naturalist XXII. 1075 There is no evidence as to the origin of the hypoconid, which as a rule preceded the hypocone. 1919 J. H. Mum...
Oxford English Dictionary
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Helohyidae
Their upper molars were usually squared, due to the enlargement and displacement of the metaconule, but there was also a small hypocone and hypoconule.
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hypoconulid
hypoconulid Zool. (haɪpəʊˈkəʊnjuːlɪd) [f. hypocone + -ul- + -id5.] An intermediate cusp between the principal ones on the heel of a mammalian lower molar tooth.1897 H. F. Osborn in Amer. Naturalist XXXI. 1002 The talonid widened into a basin-like shelf supporting an outer cusp, the ‘hypoconid’; an i...
Oxford English Dictionary
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Cusp (anatomy)
Hypocone
The hypocone is found on the distal lingual side of the tooth. The hypocone appears to have evolved independently more than twenty times in different mammal groups during the Cenozoic period.
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paraconid
paraconid (pærəˈkəʊnɪd) [f. paracone + -id5.] A cusp on a mammalian lower molar tooth corresponding to the paracone on an upper molar.1888 H. F. Osborn in Amer. Naturalist XXII. 1072 (table) Proposed terms... Paraconid. Ibid. 1076 As the hypocone develops, the paraconid recedes. 1896 Proc. Zool. Soc...
Oxford English Dictionary
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Megacyon
In comparison to its ancestor Xenocyon, the hypocone on the teeth was larger.
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Micodon
By comparison with Micodon, the hypocone is far smaller in Callimico, where it appears as an excrescence of the lingual cingulum. The Micodon M1 suggests that body size/tooth size reduction preceded the loss of the hypocone cusp.
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metaconule
metaconule Zool. (mɛtəˈkəʊnjʊl) [f. metacone + -ule.] An intermediate cusp between the hypocone and the metacone of a mammalian upper molar tooth.1888 H. F. Osborn in Amer. Naturalist XXII. 1074 The Bunodont series are universally characterized by the initial or advanced development of the proto- an...
Oxford English Dictionary
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Tupaia miocenica
The condition of the hypocone distinguishes this species from various other treeshrews. A smaller cusp, a hypocone, is on the back lingual corner.
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Vulcanops
Biology and ecology
The presence of a large hypocone on its upper molars indicates that it was not strictly carnivorous. A large, blunt hypocone is indicative of herbivory.
It would have lived among the trees while also foraging on the ground.
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Brachytarsomys mahajambaensis
This lingually located cusp displays a broader connection to the hypocone on the labial side, which is isolated from the metacone lingually behind it. The post-hypocone and the metacone, in the third crest, are joined at the back.
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Theriodictis
The dental diagnostic trait is found in the hypocone of M1 which is reduced in comparison with that of other genera.
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Proectocion
The third molard had an hypocone differing from Didolodus, and similar to those of litopterns such as Macrauchenia and Adiantoides. The pattern of the upper molars crown was different from those of Proterotheriidae, but similar to those of Macraucheniidae, with the hypocone joined anteriorly
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