Thelocactus tulensis I think?
Thelocacus?
Original tag is hard to read, but I think it said Copiapoa echinoides. Hoping someone can confirm.
Thelocactus, possible Thelocactus and a Copiapoa
Re: Thelocactus, possible Thelocactus and a Copiapoa
Second one looks more like Turbinicarpus, maybe T. viereckii?