 This implies that the traditional definition "Lophophorata" is not monophyletic.Recently the term "Lophophorata" has been applied only to the Phoronida and Brachiopoda, and Halanych thinks this change will cause confusion.Some analyses regard Phoronida and Brachiopoda as sister-groups, while others place Phoronida as a sub-group within Brachiopoda, implying that Brachiopoda is paraphyletic.