|Friends||Gilbert and others|
|family||The Pteranodon Family|
Sheena "Shiny" Pteranodon is an aqua Pteranodon who is a part of the Pteranodon Family. Her other siblings are Tiny, Don and Buddy. She enjoys finding shiny shells and usually divides them into piles shiny to shiniest. Also, though she tends to act as if she is the oldest of her siblings, she ironically hatches second. She is almost always seen with Don and Mr. Pteranodon. She is afraid of earthquakes, shadows, deep ocean, caves and the Time Tunnel. She harbours a very strong crush for Gilbert, which is evident in several episodes. She was the first character to make friends with Henry the hermit crab.