- tactile
- tanybaraga
- tarascense
- taxon
- taylori
- tcheponensis
- tecta
- telocentric
- telomeres
- temminckii
- temporal arch
- temporal fossa
- temporal openings
- tentoria
- tequesta
- terrapin
- terrestris
- territory
- texana
- thermalis
- thermoregulation
- thoracic
- thurjii
- thyroid
- tomium
- tornieri
- trabeculae
- Trachemys
- travancorica
- trianguis
- tricarinata
- trifasciata
- trigeminal nerve
- trimeni
- trinomial
- Trionyx
- triporcatus
- tristernalis
- triturating surfaces
- triunguis
- trivittata
- trochanteric fossa
- trochanters
- trochlear
- troostii
- truncate
- TSD
- tubercle
- tuberculatus
- tuberosus
- tympanic cavity
- tympanum