Mesozoa

described accepted species

• Appeltans et al: 134

known marine species

• Appeltans et al: 134

number of new species decribed 1999-2008

• Appeltans et al: 34

percent of marine species currently described

• Appeltans et al: 41503

percent synonyms among marine species

• Appeltans et al: 1

total species (expert opinion)

• Appeltans et al: 774 (minimum)
• Appeltans et al: 1684 (max)

total unknown marine species

• Appeltans et al: 640 (minimum)
• Appeltans et al: 1550 (max)

total unknown species (statistical model)

• Appeltans et al: 84 (minimum)
• Appeltans et al: 305 (max)

undescribed marine species present in museum collections

• Appeltans et al: 40 (minimum)
• Appeltans et al: 50 (max)

undiscovered marine morphospecies

• Appeltans et al: 500 (minimum)
• Appeltans et al: 1000 (max)

undiscovered species (molecular cryptic)

• Appeltans et al: 100 (minimum)
• Appeltans et al: 500 (max)