Lophogastrida Boas 1883

Body symmetry

• Namigai et al 2014: bilaterally symmetric

are eaten by

• Global Biotic Interactions: Gaidropsarus argentatus (Reinhardt 1837) (Arctic rockling)

cellularity

• Cellularity and growth form: multicellular

described accepted species

• Appeltans et al: 56

extinction status

• Paleobiology Database: extant

first appearance

• Paleobiology Database: middle triassic epoch
• Paleobiology Database: 247.2 million years ago (max)

last appearance

• Paleobiology Database: 161.2 million years ago (min)
• Paleobiology Database: oxfordian age

mineralized skeleton contains

• Mineralogy: calcium carbonate

motility

• Paleobiology Database: actively mobile (adult)

number of fossil occurrences

• Paleobiology Database: 14

number of public records in bold

• Barcode of Life Data Systems: 62

percent of marine species currently described

• Appeltans et al: 30 (max)
• Appeltans et al: 29 (min)

percent synonyms among marine species

• Appeltans et al: 24

skeleton contains

• Paleobiology Database: chitin

total unknown marine species

• Appeltans et al: 135 (max)
• Appeltans et al: 131 (min)

trophic guild

• Brusca and Brusca, 2003: predator (adult)

undescribed marine species present in museum collections

• Appeltans et al: 10

undiscovered marine morphospecies

• Appeltans et al: 120

undiscovered species (molecular cryptic)

• Appeltans et al: 41279