What was the primary difference noted between the extinct *Chlamydoselachus goliath* and the modern *C. anguineus*?

Answer

Sheer size (C. goliath was much larger)

The primary difference noted between *C. goliath* and its modern counterpart is sheer size; while the living frilled shark reaches about 2 meters, *C. goliath* was reportedly much larger.

What was the primary difference noted between the extinct *Chlamydoselachus goliath* and the modern *C. anguineus*?

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