Octocorallians

Octocorallia Haeckel 1866

known marine species

• Appeltans et al: 3171

number of new species decribed 1999-2008

• Appeltans et al: 290

percent of marine species currently described

• Appeltans et al: 65

percent surveyed species not yet known to science

• Appeltans et al: 0.64
• Appeltans et al: 12 (min)
• Appeltans et al: 0.56
• Appeltans et al: 0.4
• Appeltans et al: 0.28

total species (expert opinion)

• Appeltans et al: 4871