A reshuffling of the animal kingdom may be necessary in light of new genetic findings -- not to lions, tigers or bears, but worms, a recent study suggests.

Xenacoelomorpha – a new phylum in the animal kingdom. Scientists reorganise the animal phylogenetic tree. February 15, 2011. An international team of scientists including Albert Poustka from the Max ...

Within the animal kingdom, ... A team of conservation biologists categorized emojis related to nature and animals and mapped them onto the phylogenetic tree of life.

Scientists reorganise the animal phylogenetic tree. 18 Feb 2011. 1 ...

The debate began in 2008, when a family-tree study pointed not to sponges — long identified as the "earliest animal" — but to comb jellies as the earliest members of the animal kingdom.