Dive into the complex oeuvre of French philosopher of technology Bernard Stiegler (1952?2020), who composed an evolving apparatus of adopted concepts to deconstruct and think through our current technological condition. Epiphylogenesis is one among many intricate neologisms developed within Stiegler?s theory of anthropotechnical evolution. In the simplest sense, it describes a form of technically conditioned co-evolution. It is read here alongside related ways to approach theorising socio-techno-environmental relationships in architecture, through writings by Claire Mary Colebrook, Georgios Tsagdis, Jacob Vangeest, Davide Landi, and Tim Gough.