Water Bears

Tardigrada

Body symmetry

• Namigai et al 2014: bilaterally symmetric

cellularity

• Cellularity and growth form: multicellular

described accepted species

• Appeltans et al: 183

known marine species

• Appeltans et al: 183

number of dna records in ggbn

• GGBN data coverage: 2

number of new species decribed 1999-2008

• Appeltans et al: 16

number of specimens in ggbn

• GGBN data coverage: 4

percent of marine species currently described

• Appeltans et al: 14

total species (expert opinion)

• Appeltans et al: 1303

total unknown marine species

• Appeltans et al: 1120

total unknown species (statistical model)

• Appeltans et al: 40 (min)
• Appeltans et al: 280 (max)

trophic guild

• Brusca and Brusca, 2003: cell-sucker (adult)

undiscovered marine morphospecies

• Appeltans et al: 1120