本文解剖观察了我国有代表性的鲨类脑颅共32种，分隶于8目14科24属。研究结果认为鲨类的脑颅共可分为9个式型和12个亚型。
This paper presents a comparative study on the neurocrania of 32 representative species of sharks of China, belonging to 24 genera, 14 families and 8 orders.
比如，西班牙就可能给大青鲨这一种类留出特例。
Spain could claim a species exemption with its blue sharks, for example.
这两种庞然大物被称为“Bonnerichthys gladius”和“Rhinconichthys taylori”，体长有30到50英尺，它们曾经在生态系统中的位置现在已经被鲸类和鲸鲨所取代。
The behemoths, known as Bonnerichthys gladius and Rhinconichthys taylori, grew to 30 to 50 feet long and occupied the ecological niche now filled by whales and whale sharks.
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