Complete gut with anal pores is present in
Contrasting with cnidarians possessing blind sac gastrovascular cavity with single opening, ctenophores exhibit through gut considered complete alimentary canal with distinct mouth at oral pole leading to pharynx stomach and canals extending meridionally beneath comb rows distributing nutrients and two aboral anal pores near apical organ expelling residues. Food enters via mouth after capture digested in stomach extracellularly intracellularly via phagocytes circulated through canals. Presence anal pores allows separate egestion enabling unidirectional processing more efficient than cnidarian
Ref: NCERT Class 11 Biology, Chapter 4: Ctenophora complete gut anal pores; Campbell Biology
