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慢龍屬

慢龙属
化石时期:白堊紀後期,90 Ma
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 蜥形纲 Sauropsida
总目: 恐龍總目 Dinosauria
目: 蜥臀目 Saurischia
亚目: 獸腳亞目 Theropoda
科: 鐮刀龍科 Therizinosauridae
属: 慢龙属 Segnosaurus
Perle, 1979
模式種
戈壁慢龍
Segnosaurus galbinensis

Perle, 1979

慢龍屬名:Segnosaurus,意為「緩慢的蜥蜴」)是種獸腳亞目恐龍,屬於鐮刀龍科。慢龍是由A. Perle博士在1979年所敘述。目前僅發現3個標本,包含:下頜、骨盆、後肢、肩胛喙軟骨、不完整的前肢、以及脊椎,都發現於蒙古的Baynshirenstaya Svita,該沉積層的年代為白堊紀森諾曼階土侖階之間。

慢龙是一种体型巨大的镰刀龙,估计长约 6-7m,重约 1.3 吨。 它应该是双足行走的,身体躯干向上倾斜。头小,下颚尖有喙,颈部细长。

慢龍的蛋巢,展覽於萊姆里吉斯

身体构造

[编辑]

慢龍可從頜部中間的微彎、釘狀牙齒,以及中等程度壓縮的趾爪,來與其他的鐮刀龍類作鑑別。齒骨的後背側從第14顆牙齒開始,並不像死神龍是從第15顆牙齒開始。這顯示慢龍並沒有外部頰部,但死神龍被認為擁有外頰部。

大眾文化

[编辑]

慢龍出現於羅伯特·巴克(Robert Bakker)的小說《Raptor Red》。在這部小說中,慢龍被描述成穴居動物。


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慢龍屬
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