Ascidians from the tropical western Pacific Author Monniot, Françoise Author Monniot, Claude UPESA 8044, Laboratoire de Biologie des Invertébrés marins et Malacologie, Muséum national d’Histoire naturelle, 55 rue Buffon, F- 75005 Paris (France) monniot @ mnhn. fr. monniot@mnhn.fr text Zoosystema 2001 23 2 201 383 journal article 10.5281/zenodo.5391440 1638-9387 5391440 Diazona angulata Monniot F. & Monniot C., 1996 Diazona angulata Monniot F. & Monniot C., 1996: 217 , fig. 39A-D, pl. 7B. Type locality: Philippines . MATERIAL EXAMINED . — Philippines . Cebu , E Mactan Island, cave, 10°15.62’N , 123°59.11’E , 30 m , 13.IV.1997 ( MNHN P1 DIA 34). — SW Bohol , Panglao Island, overhang, 9°37.14’N , 123°46.48’E , 23 m , 21.IV.1997 ( MNHN P1 DIA 33). — Bohol Sea, Balicasag Island SW of Bohol , 9°31.02’N , 123°40.83’E , 15.IV.1997 ( MNHN P1 DIA 36). — Cebu , E Mactan Island, overhang, 10°15.62’N , 123°59.11’E , 10 m , 14.IV.1997 ( MNHN P1 DIA 37). DESCRIPTION By its internal morphology this species is very close to D. chinensis . It is characterised by a hard tunic and zooids partly protruding at the colony surface. The oesophago-rectal peduncle is longer than in D. chinensis .