Chitons

Polyplacophora Gray 1821

described accepted species

• Appeltans et al: 930

percent of marine species currently described

• Appeltans et al: 86 (min)
• Appeltans et al: 90 (max)

percent synonyms among marine species

• Appeltans et al: 52

total unknown marine species

• Appeltans et al: 100 (min)
• Appeltans et al: 150 (max)

undescribed marine species present in museum collections

• Appeltans et al: 50

undiscovered marine morphospecies

• Appeltans et al: 100 (max)
• Appeltans et al: 50 (min)