Sea Spiders

Pycnogonida

described accepted species

• Appeltans et al: 1307

habitat

• World Register of Marine Species: marine benthic

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: 0.24
• Appeltans et al: 0.14
• Appeltans et al: 0.17
• Appeltans et al: 0.15
• Appeltans et al: 0.4

percent synonyms among marine species

• Appeltans et al: 3

total unknown marine species

• Appeltans et al: 2250 (max)
• Appeltans et al: 1179 (min)

trophic guild

• World Register of Marine Species: omnivore
• World Register of Marine Species: parasite
• World Register of Marine Species: parasite
• marine ecology lit v4: carnivore

undescribed marine species present in museum collections

• Appeltans et al: 150 (min)
• Appeltans et al: 500 (max)

undiscovered marine morphospecies

• Appeltans et al: 979 (min)
• Appeltans et al: 1650 (max)

undiscovered species (molecular cryptic)

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