Final answer:
Ticks are the most likely group that the parasite belongs to. They are ectoparasites that can cause open wounds and transmit diseases.
Step-by-step explanation:
The parasite that the veterinarian removed from under the skin of the turtle's wound is most likely a tick. Ticks are ectoparasites that feed on the blood of animals. They can attach to the skin and cause open wounds. Ticks are commonly found on reptiles and can transmit diseases.
Learn more about parasites in turtles