subclass
Active Free-living Bristleworms
Errantia
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native active free-living bristleworms All
Native to the US, by observations.
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Eighteen-scaled Worm
Halosydna brevisetosa
938 observations
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Platynereis bicanaliculata
535 observations
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Candy-striped Polychaete
Dorvillea moniloceras
172 observations
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Pareurythoe californica
161 observations
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Hemipodia simplex
57 observations
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Comb-toothed Nereid
Platynereis dumerilii
52 observations
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Aphrodita hastata
10 observations