Gnathostomulida

Body symmetry

• Namigai et al 2014: bilaterally symmetric

body shape

• Littlewood et al 1998: vermiform

cellularity

• Cellularity and growth form: multicellular

described accepted species

• Appeltans et al: 98

diet includes

• Brusca and Brusca, 2003: бактерија (adult)
• Brusca and Brusca, 2003: габа (adult)

habitat

• Brusca and Brusca, 2003: deep marine sediment (adult)
• Littlewood et al 1998: морско дно

known marine species

• Appeltans et al: 98

motility

• Littlewood et al 1998: actively mobile

number of new species decribed 1999-2008

• Appeltans et al: 9

number of public records in bold

• Barcode of Life Data Systems: 16

number of specimens in ggbn

• GGBN data coverage: 1

percent of marine species currently described

• Appeltans et al: 31

percent synonyms among marine species

• Appeltans et al: 10

sexual system

• Fairbairn 2013: hermaphrodite

total species (expert opinion)

• Appeltans et al: 313 (min)
• Appeltans et al: 318 (најв.)

total unknown marine species

• Appeltans et al: 220 (најв.)
• Appeltans et al: 215 (min)

trophic guild

• Brusca and Brusca, 2003: microphage (adult)

undescribed marine species present in museum collections

• Appeltans et al: 15 (min)
• Appeltans et al: 20 (најв.)

undiscovered marine morphospecies

• Appeltans et al: 200