(also known as Aeschelminthes
, or Pseudocoelomata
), closely associated with the Platyhelminthes
, are an obsolete phylum of pseudocoelomate
and other similar animals that are no longer considered closely related and have been promoted to phyla in their own right. The term Aschelminth
is now generally only used as an informal name for any member of the approximately ten different invertebrate
phyla formerly included within Aschelminthes.
Although invertebrate experts do not necessarily agree on these categorizations, groups that are generally incorporated into Aschelminthes include:
In addition, Priapulida, Entoprocta, and Tardigrada are sometimes included.