Linked from
The 26 pages that link to Cutaneous respiration, each with the reason it gives.
AmphibianRelated: Many amphibians absorb oxygen and release carbon dioxide through their moist skin.
EarthwormRelated: Earthworms exchange gases through their moist skin rather than through lungs.
AnnelidaRelated: Many annelids exchange gases across moist skin rather than specialized lungs.
Sea snakeRelated: Some sea snakes absorb oxygen through their skin while submerged.
LissamphibiaRelated: Many lissamphibians rely on skin for a substantial share of oxygen uptake.
MudskipperRelated: Moist skin lets mudskippers absorb oxygen while exposed to air.
Chinese giant salamanderRelated: Its skin contributes to breathing in oxygen-poor aquatic habitats.
Sea kraitRelated: Sea kraits can absorb some oxygen through their skin underwater.
Giant salamanderRelated: Wrinkled, folded skin helps giant salamanders absorb oxygen underwater.
TubifexRelated: Tubifex exchanges gases through its body surface while partly buried.
TrionychidaeRelated: Some softshell turtles exchange gases through skin surfaces while submerged.