A Truncatoflabellum arcuatum, lateral and calicular views, holotype, NZOI H633, Norfolk Ridge; edge view, paratype, USNM 94280, Norfolk Ridge B Blastotrochus nutrix, USNM 97553, Siboga, Indonesia C Placotrochides scaphula, USNM 94273, NZOI G941, New Zealand D P. minuta, holotype, Australian Museum G16747, Flores Sea. Scale bars: 10 mm (A–C), except for calice of A and basal scar of B, which are 5 mm; 1 mm (D).

  Part of: Cairns SD (2016) A key to the genera and species of the transversely-dividing Flabellidae (Anthozoa, Scleractinia, Flabellidae), with a guide to the literature, and the description of two new species. ZooKeys 562: 1-48. https://doi.org/10.3897/zookeys.562.7310