Despite undergoing scans that reveal no major problems with his back, Tisdale has revealed the former Team Bath centre-half is still weeks away from a return to training.
Troy Archibald-Henville will continue to deputise in Taylor's absence.
Jamie Cureton and Richard Logan are pushing for starts after returning from injury last week, although stand-in John O'Flynn is likely to retain his place after his brace last week earned the Grecians a 3-2 victory at Hartlepool.
Experienced striker Marcus Stewart will once again miss out as he battles against back spasms, but Tisdale has no new injury concerns to contend with.
