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 Ornithorhynchidae ncbi:9256 (gbif:5940, irmng:104028) sibling_higher (OTT id 344066)
View this taxon in the current synthetic tree
life > cellular organisms > Eukaryota > Opisthokonta > Holozoa > Metazoa > Eumetazoa > Bilateria > Deuterostomia > Chordata > Craniata > Vertebrata > Gnathostomata > Teleostomi > Euteleostomi > Sarcopterygii > Dipnotetrapodomorpha > Tetrapoda > Amniota > Mammalia > Prototheria > Monotremata