The earliest serpulids are known to have originated during this geologic period, which begins with the unusually-short Induan age.
The earliest serpulids are known to have originated during this geologic period, which begins with the unusually-short Induan age. The base of this period's Anisian age is marked by the appearance of the first conodonts. A major global climate change event that allowed for the radiation of corals occurred during this period and is known as the Carnian Pluvial Event. This period also includes a (*) "coal gap" that was created by the "Great Dying" that preceded this period's start. The Permian period preceded this period, which Friedrich von Alberti named for the fact that a set of three rocks characterize it. For 10 points, what first geologic period in the Mesozoic Era, which is followed by the Jurassic period? 
The earliest serpulids are known to have originated during this geologic period, which begins with the unusually-short Induan age.
Triassic Period 