IRMNG Taxon list
Cigclisula areolata (Kirkpatrick, 1890)
Cigclisula cautium Hastings, 1932
Cigclisula fissurata (Ortmann, 1890)
Cigclisula fruticosa Hayward & Ryland, 1995
Cigclisula gemmea Winston & Woollacott, 2009
Cigclisula hexagonalis (Canu & Bassler, 1930)
Cigclisula occlusa (Busk, 1884)
Cigclisula osburni (Marcus, 1955)
Cigclisula pertusa
Cigclisula porosa (Canu & Bassler, 1930)
Cigclisula ramparensis Guha & Gopikrishna, 2007
Cigclisula rogickae (Soule, 1961)
Cigclisula serrulata
Cigclisula turrita (Smitt, 1873)
Cigclisula verticalis (Maplestone, 1910)
Cigliscula occlusa (Busk, 1884)
Colatooecia serrulata (Smitt, 1873)
Trematooecia aviculifera (Canu & Bassler, 1923)
Trematooecia clivulata Tilbrook, 2006
Trematooecia ligulata Ayari & Taylor, 2008
Trematooecia magnifica (Osburn, 1914) accepted as Celleporaria magnifica (Osburn, 1914)
Trematooecia protecta Osburn, 1940
Trematooecia psammophila Winston & Hakansson, 1986
Trematooecia ridleyi (Kirkpatrick, 1890)
Trematooecia turrita (Smitt, 1873)