符合的藏品

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中文標本名稱:鴞頭貝

灣大學地質科學系中文標本名稱:鴞頭貝英文標本名稱:Inoceramus inconstans Woods Upper Chalk Up. Cre. 來源:國立臺灣大學(http://www.....more

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heading to the front, continuously ". The elephant's "tusks" grow from the upper incisors and have.....more

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using the dental formula. A typical set of mammalian teeth should consist of 3 upper and lower.....more

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and cutting food. In herbivores (such as cattle and sheep) the upper incisors and canines are reduced.....more

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of the Mesozoic Era. Their cheek teeth are tribosphenic, meaning the upper and lower premolars and molars all.....more

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inwards, the Gomphotheres ( Mammutidae ) well-developed intersecting upper and lower incisors.....more

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椎長鼻目嵌齒象Most of the elephants only have a pair of incisors (upper or lower) and only Gomphotherium sp.....more

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was ground to the diamond shape. The last teeth in the back of upper and lower jaws had the thickness.....more

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a single "finger" on the upper lip of the trunk, a short, high skull and a double-bulged forehead. Asian.....more

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structures. Generally speaking, the upper and lower jaws of these whales have 7 to 9 pairs of teeth.....more

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or extinct have a pair of upper incisors pointing upward and the lower incisor became less prominent.....more

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