From TRAZOS. Revista de Estudiantes de Filosofía invites those who wish to participate in a special issue, dedicated to multiple approaches that are located on the horizon of posthumanist thought, a philosophical current that has its starting point in the crisis of humanism and its modern concept of Man, as a self-referential, autonomous and determining subject of existence. This way of being was outlined in clear opposition to the "animal form of life", condemned to the field of instincts and reaction (González, 2018). However, since the end of the 20th century, posthumanism, as well as Critical Animal Studies, cyberfeminism, biopolitical studies and the "philosophy of plant life", have questioned those thresholds that allowed establishing a taxonomy of subordination of the living, functional limits to various devices of domination, subjection and extermination of non-human life forms. In these coordinates, alternative figurations emerged to imagine multiple and irreducible particular ways of inhabiting the shared world: the notions of animot, cyborg, species in company, becoming-animal, becoming-vegetable, herd, multispecies alliances, monstrosity and abnormality make this evident. Thus, the challenge of thinking of non-human, inhuman or post-human worlds opens up, beyond the thresholds between culture/nature, civilized/savage, man/machine, human/animal, and, ultimately, between the human and the non-human.