Trematooecia ligulata Ayari & Taylor, 2008

Holoporella turrita: Canu & Bassler 1930b: 74, pl. 10, figs 10–16. [Tunisia]

Holoporella turrita: O’Donoghue & de Watteville 1939: 44 . [Alexandria]

Holoporella turrita: Gautier 1957: 559, fig. 4. [Syria]

Trematooecia ligulata Ayari & Taylor, 2008: 262, figs 1A–D, 2A–D. [Mediterranean Sea]

Remarks. Trematooecia ligulata was previously misidentified as Holoporella turrita in Mediterranean waters, but it is distinguished by its ectooecium with a frontal slit-like membranous area (Ayari et al. 2008). Two other species of Trematooecia with encrusting colonies and fissured ectooecium are T. clivulata and T. hexagonalis . Trematooecia ligulata differs from T. clivulata and T. hexagonalis, however, in having a suboral avicularium (Ayari et al. 2008).

Distribution. Mediterranean Sea.