The current taxonomy version is ott3.6 (click for more information). See the OTT documentation for an explanation of the taxon flags used below, e.g., extinct
family Xanioascidae worms:559332 (gbif:6471675, irmng:121073) extinct, incertae_sedis (OTT id 3684269)
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life > cellular organisms > Eukaryota > Opisthokonta > Holozoa > Metazoa > Eumetazoa > Ctenophora