Doliolum denticulatum Quoy & Gaimard, 1834

Doliolum denticulatum Quoy & Gaimard 1834: 599, Pl. 89 Figs. 25–28. Herdman 1888: 44. Smith et al. 1901: 103, Fig. 23. Tokioka 1960: 353. Godeaux 1998: 283, Figs. 17.8b, 17.11d. Van Soest 1998: 236, Table 14.1. Gershwin et al. 2014: 9. Purushothaman et al. 2017. Adam & Ishak 2018: 150, Figs. 2.1, 2.2.

Material examined. A gonozooid and a nurse (MDAFWU 2020 /371–372), St.205, January 2020 .

Description. Gonozooid: Body 3 mm long, transparent and barrel-shaped with eight muscle bands. Dextral arched intestine, alimentary canal opens at the front side of M V, anus present at M VI. Branchial septum strongly arched from M II dorsally to M V, then curving and running to M III ventrally. Endostyle is short, from M II to M IV. Neural ganglion at M III 3/4. Testis long and swollen, situated horizontally in front of M III.

Nurse: Barrel-shaped, 2 mm long, with nine muscle bands, without visceral mass, except for a heart. Muscle-bands M II–VIII fused into a continuous sheet. Budding on the dorsoventral projection.

Global distribution. The Atlantic Ocean, Indian Ocean, western Pacific, Australian waters, the Mediterranean Sea and Red Sea (Van Soest 1998). Type locality: Ile Vanikoro, Pacific.