Early Carboniferous

Invertebrate

• 
  [[Pulmonoscorpius,a scorpion', 70 cm, Scotland

Chondrichthyes

• 
  Stethacanthusa shark from, Scotland, 70 cm
• 
  Chondrenchelys, Scotland

Amphibia

• 
  Crassigyrinus, Scotland
• 
  Greererpeton, West Virginia, 1.5 m

Amniota

• 
  Westlothiana, Scotland, 20 cm

Late Carboniferous

Arthropoda

• 
  Megarachne, freshwater eurypterid from Argentina, 50 cm

Embolomeri

• 
  Eogyrinus, England
• 
  Diplovertebron, Europe, 60 cm

Aistopoda

• 
  Ophiderpeton, Europe and North America, 1 m

Lepospondyli

• 
  Microbrachis, Czech Republic, 15 cm

Temnospondyli

• 
  Amphibamus, Illinois
• 
  Balanerpeton, Scotland

Anapsida

• 
  Hylonomus, Nova Scotia, Canada

Diapsida

• 
  Petrolacosaurus, Kansas, 40 cm

Pelycosauria

• 
  Archaeothyris, Nova Scotia
• 
  Ianthasaurus, North America