What is a summary of "Triceratops Herd Running"?

Dan
Schneider's trisonnet "Triceratops Herd Running" begins with an epigraph that
dedicates the poem to the late rock-star Chris Cornell, who died in 2017. The dedication is
critical to bear in mind because, while the literal contents of the poem are far removed from
the modern world, the thematic implications of Schneider's poetry are easy to connect to
Cornell's sudden death.

The poem is a trisonnet, or three individual sonnets
united by a singular theme or purpose. The three sonnets describe a herd of Triceratops
thundering across the plain in what is now Wyoming. The herd is mindless and driven by instinct.
A pack of "juvenile T. Rexes" pursue the hoard and see the Triceratops as "just
meat on horns." Both creatures are described as

victims of this driving primitive dance,
collective soulless minion of its
genes

In this opening sonnet, the speaker of the poem
presents an ordinary natural moment from millions of years in the past. There is no intelligence
in the life raging across...