Some new data on tropical western Pacific Ascidians Author Monniot, Françoise text Zootaxa 2010 2010-08-09 2561 1 1 29 https://biotaxa.org/Zootaxa/article/view/zootaxa.2561.1.1 journal article 10.11646/zootaxa.2561.1.1 1175-5326 5304193 Eudistoma amplum ( Sluiter, 1909 ) ( Figure 16A ) Polycitor amplus Sluiter, 1909: 21 . Eudistoma amplum: Kott 1990 a:194 Fig. 70 pl. 5A and synonymy. Monniot F. & Monniot C. 1996: 185 Fig. 27 pl. 4F; 2001: 238. Kott 2003: 1624 . FIGURE 15. Leptoclinides planus n. sp. : A: spicules, B: larva. Scale bars: A=10µm, B=0.5µm. Material. Coll. N.J. Pilcher et al., Viet Nam , Con Dao Isl. , Con Son Isl. , 08°41.12’N – 106°36.80’E , 1m , 30/ VII/2008 , 0PHG 1743 C ( MNHN A3 EUD 348 ) . This ascidian has grey-green thick colonies ( Fig. 16A ) which contain sand and characteristic large green vesicles in the tunic. It is common in the whole tropical Pacific Ocean. Viet Nam represents its western record.