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. 2021 Jan 26;11:2230. doi: 10.1038/s41598-021-81520-0

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© The Author(s) 2021, corrected publication 2023

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Field and laboratory photographs of O. annularis and O. faveolata. (A, B) Field photographs of O. annularis colonies at ~5 m WD at Playa Kalki exhibiting growth of individual columnar heads that are clustered together into an overall hemispherical assemblage. (C, D) Laboratory photographs of individual O. annularis partially opened polyps that are ~2.3 mm in diameter. (E, F) field photograph of O. faveolata colonies at Playa Kalki that grow as massive shapes with knobby ridges that flair out at the lowermost edges of each colony at ~ 12 m WD and broadened morphologies at ~ 18 m WD. (G) Laboratory photograph partially opened and partially extened polyps of O. faveolata that are ~2.4 mm in diameter. Labels in C, D and G include: Cenceonosarc; FPW_folded polyp wall; PT_ primary tentacle; ST secondary tentacle; OD-oral disk; M-mouth; and RP-retracted polyp.