Short answer: yes.
Long answer: Using process algebra as a witness to the claimed existential is certainly admissible, but the way the question is phrased might warrant are more direct answer. If TMs are used as mathematical model for sequential computation, we can surely come up with a concurrent version, and show that it is no more powerful than the good old sequential ones.
There are many ways to do so. We could aim for modelling shared variables as a tape shared by a family of TMs, we could add message passing steps to TMs, we could allow TMs to fork off child TMs with their own little tape, or we could invent TM equivalents of starting and ending a supposedly atomic transaction. Every single one of these extensions is easily shown wo be simulatable by an ordinary good old TM. If you're prepared to elaborate where you see a difficulty, the community may be able to help, even if I'm concerned that none of this qualifies as a research-level question.