Table 2.

Comparison of ossicle size in Holothuria (Mertensiothuria) viridiaurantia sp. nov. holotype, juvenile paratype, and H. (M.) hilla of similar body size.

Characteristics	H. (M.) viridiaurantia sp. nov. Paratype INV EQU4312		H. (M.) viridiaurantia sp. nov. Holotype INV EQU4309		H. (M.) hilla INV EQU4311
	L = 25 mm		L = 70 mm		L = 65 mm
	Range (µm)	Average	Range (µm)	Average	Range (µm)	Average
Dorsal body wall
Buttons length	88–119	99	79–115	101	47–70	61
Tables disc diameter	62–84	73	60–81	68	51–75	59
Tables height	56–68	62	43–54	49	35–45	41
Width spires	14–15	15	23–31	29	21–26	23
Ventral body wall
Buttons length	78–104	90	82–108	94	50–73	61
Tables disc diameter	54–80	63	57–71	63	47–61	53
Tables height	45–56	51	40–49	44	34–44	39
Width spires	9–17	14	22–29	25	16–20	18
Dorsal papillae
Buttons, Buttons-like plates length	80–111	99	106–130	117	64–91	79
Tables disc diameter	51–95	74	60–82	71	48–66	58
Tables height	58–71	64	42–62	52	43–47	45
Width spires	19–28	25	30–42	36	20–25	22
Rods	97–168	143	167–203	187	102–152	129
Plates	–	-	99–134	118	104–107	106
Small Rods	–	-	37–58	48	43–67	57
Ventral tube feet
Buttons, Buttons-like plates length	93–116	105	91–140	110	52–84	70
Tables disc diameter	54–75	63	53–73	61	41–57	51
Tables height	46–54	50	41–51	45	34–43	38
Width spires	15–23	18	23–31	28	17–24	21
Plates length	66–122	96	105–133	117	76–127	96
Plates width	46–83	65	72–129	116	68 –99	84
End Plates	391–401	396	578–581	580	570–584	577
Tentacles
Large Rods Length	132–259	197	185–261	221	166–267	227
Large Rods Width	21–39	29	33–150	75	10–27	18
Small Rods Length	37–91	56	58–107	74	37–65	47
Longitudinal muscle
C-O shape ossicles length	NA	NA	NA	NA	13–33	24