| Product picture | Product description |
| youth, cotton t-shirt, teeshirt, tshirts, ecology and evolution tshirt, time line t-shirts, cladistics t-shirts | |
  |
Fabric of Life T-shirt Troll 741 back design with heart print tshirt black tee shirt XL, L, M $18.00 XX $20.00 Text along top of picture: "From the slime to the ridiculous." Organisms form a timeline from top to bottom |
 |
Data in the Strata T-shirt Troll 747 front design tshirt heather gray tee shirt XL, L, M $18.00 XX $20.00 |
 |
Salmon Family Tree T-shirt Troll 729 front design tshirt olive tee shirt XL, L, M $18.00 XX $20.00 |
 |
Never too Late T-shirt Troll 740 front design tshirt white tee shirt XL, L, M $18.00 XX $20.00 |
 |
Paleo Fishing T-shirt Troll 82 front design tshirt blue gray tee shirt XX $20.00 |
 |
PNS - Paleo Nerd Syndrome T-shirt Troll 728 front design tshirt tan tee shirt XL, L $18.00 XX $20.00 |
 |
Fossils T-shirt WC 294 front design tshirt sand tee shirt XL, L, M, S $18.00 XX $20.00 |
 |
Use It or Loose It T-shirt WC 395 front design tshirt forest green tee shirt L, M $18.00 XX $20.00 |
 |
Science T-shirt WC 294 front design tshirt royal blue tee shirt XL, L, M, S $18.00 XX $20.00 canvas bag $16.00 Ceramic mug $9.00 |
 |
Trilobite Fossil T-shirt MUD 222 front design tshirt sand tee shirt custom dyed with clay brown L, S $18.00 XX $20.00 |
 |
Fish Fossil T-shirt MUD 220 front design tshirt orange tee shirt custom dyed with clay rust XL, M $18.00 XX $20.00 |
| More Ray Troll designs can be found on the Aquatic Mammal, Fish, and Fish Humor pages. See the Habitat book pages for informative books about the origins of life on earth and the evolution of plants and animals. | |