Лажичести црви

Echiura

described accepted species

• Appeltans et al: 175

known marine species

• Appeltans et al: 175

number of new species decribed 1999-2008

• Appeltans et al: 5

percent of marine species currently described

• Appeltans et al: 78 (min)
• Appeltans et al: 83 (најв.)

percent synonyms among marine species

• Appeltans et al: 14

total species (expert opinion)

• Appeltans et al: 225 (најв.)
• Appeltans et al: 210 (min)

total unknown marine species

• Appeltans et al: 50 (најв.)
• Appeltans et al: 35 (min)

total unknown species (statistical model)

• Appeltans et al: 16407

undescribed marine species present in museum collections

• Appeltans et al: 41404

undiscovered marine morphospecies

• Appeltans et al: 40 (најв.)
• Appeltans et al: 30 (min)