Eldredge, Niles.2014-12-092014-12-09February 11970ahttp://dx.doi.org/10.5531/sd.paleo.8http://hdl.handle.net/2246/65681970 typescript of a manuscript published in 1971 in Evolution.enPunctuated equilibria (Evolution)The allopatric model and phylogeny in Paleozoic invertebrates—final draft.Other