serendip, Helcogramma Holleman [W.] 2007:73, Fig. 13 [Smithiana, Publications in Aquatic Biodiversity, Bulletin No. 7; ref. 29195] Near Fort Frederick, Trincomalee, Sri Lanka. Holotype: SAIAB 73755. Paratypes: SAIAB 73756 (12); USNM 228977 (5), 228981 (3), 385565 (2), 385567 (5). •Valid as Helcogramma serendip Holleman 2007 -- (Fricke 2009:50 [ref. 30394], Patzner et al. 2009:447 [ref. 30396], Holleman 2022:428 [ref. 39961]). Current status: Valid as Helcogramma serendip Holleman 2007. Tripterygiidae: Tripterygiinae. Distribution: Indian Ocean: Sri Lanka. Habitat: marine.