Trematooecia clivulata Tilbrook, 2006

Holoporella turrita: Canu & Bassler 1929: 420, text-fig. 164, pl. 59, figs 1–5. [Philippines]

Cigclisula turrita: Harmer 1957 (in part): 1059, pl. 69, figs 21, 23–24. [Indonesia]

Trematooecia turrita: Ristedt & Hillmer 1985: 137, pl. 2, fig. 7. [Philippines]

Trematooecia clivulata Tilbrook, 2006: 287, pl. 62D–F. [China Sea, Philippines, Vanuatu, Fiji]

Remarks. Trematooecia clivulata is characterized by zooids that are almost flat, a secondary orifice bordered by 4–5 solid tubercles, no suboral avicularia, a frontal avicularium associated with each zooid and an ectooecium with a narrow membranous window (Tilbrook 2006). The species was previously misidentified as C. turrita, but the two species are distinguished by the shape of the primary orifice (larger in T. clivulata) and the surface of the ectooecium (slit-like membranous window in T. clivulata, pseudoporous in C. turrita).

Distribution. Indo-Pacific: China Sea, Fiji, Philippines, Solomon Islands and Taiwan.