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  • Falcatus - Wikipedia
    Falcatus Falcatus is an extinct genus of falcatid chondrichthyan which lived during the early Carboniferous Period in Bear Gulch bay in what is now Montana
  • 【地球演义】鲛腾记3：齿 - 知乎
    两条 Falcatus falcatus 的头部结构图。 除了雄鲨的背鳍之外，这张图还有一个亮点，那就是雌鲨有特殊的牙齿（E），用来咬住雄鲨；而雄鲨相应的位置（B）只有一些刷子状的钙化组织。 这种鲨鱼无论雌雄都演化出了特殊的结构，来实现特殊的交配姿势。
  • The Ancient Shark Falcatus falcatus - Smithsonian Ocean
    The foot-long extinct shark Falcatus falcatus lived during the early Carboniferous period around 325 million years ago The species, known from fossils in the Bear Gulch formation of Montana
  • Falcatus - Prehistoric Wildlife
    Falcatus was a tiny shark that has managed to stand out from others because of the presence of a dorsal spine that rises up from where you might expect the first dorsal fin to have been
  • Falcatus falcatus | Shark-References
    Description, classification, synonyms, distribution map, bibliography and images of Falcatus falcatus
  • Falcatus the mysterious shark with a sickle spine | 3D Dinopedia
    About 324 million years ago, the ancient seas of North America were home to Falcatus, a small but extraordinary cartilaginous fish Only 25–30 cm long, it was a distant relative of modern sharks — and one of the strangest of them all
  • A Golden Age of Sharks - elasmo-research. org
    Discovered by Richard Lund in the Bear Gulch formation of Montana, Falcatus may have been even more sexually adventurous than its brush-headed cousin, Stethacanthus Male Falcatus had a large, sword-like appendage — apparently a modified fin spine — projecting forward over its head like a sunshade
  • 镰鳍鲨属 - 维基百科，自由的百科全书
    它们身上最明显的特征在于背上朝头部前方弯伸出去的长鳍棘。 最初发现镰鳍鲨化石时，仅有发现鳍棘，于是科学家于1883年依据发现于 圣路易石灰岩矿床 的鳍棘标本进行发表命名，学名为 Physonemus falcatus。
  • Falcatus | Fossil Wiki | Fandom
    Falcatus falcatus (the name refers to the sickle-shaped first dorsal fin spine) is an extinct species of small cladodont-toothed stethacanthid shark from the genus Falcatus
  • Falcatus - Wikiwand
    Falcatus is an extinct genus of falcatid chondrichthyan which lived during the early Carboniferous Period in Bear Gulch bay in what is now Montana





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