"Well, up to Derlingport this here Human trilobite of mine got loose from my side-show tent, and when they found him he had eat about half of the marble cornerstone out from under the Dawkins Building.
"Philo Gubb Correspondence-School Detective"
Ellis Parker Butler
The trilobite with the largest number of rings, Erinnys venulosa, occurs here in conjunction with Agnostus and Microdiscus, the genera with the smallest number.
"The Student's Elements of Geology"
Sir Charles Lyell
A new genus of trilobite called Plutonia Sedgwickii, not yet figured and described, has been met with in the Harlech grits.
"The Student's Elements of Geology"
Sir Charles Lyell