Segmented Worms

Annelida

known marine species

• Appeltans et al: 13721

number of new species decribed 1999-2008

• Appeltans et al: 841

percent of marine species currently described

• Appeltans et al: 53 (max)
• Appeltans et al: 37 (min)

percent surveyed species not yet known to science

• Appeltans et al: 0.28 (max)

total species (expert opinion)

• Appeltans et al: 37096 (max)
• Appeltans et al: 26011 (min)