Table 2.

Spicule dimensions (µm) of Nubestubulata gen. nov., sp. nov. from holotype 126159.

Parameter	mean	s.d.	range	no.
Prostal hypodermal pentactin, lateral body
tangential ray length (mm)	14.4	1.7	10.5–17.9	36
tangential ray width	42.5	3.3	36.8–50.4	35
proximal ray length (mm)	8.4	1.3	5.3–10.7	26
proximal ray width	46.6	5.0	36.8–59.4	28
Prostal hypodermal pentactin, margin
tangential ray length (mm)	2.0	1.4	0.6–7.4	32
tangential ray width	20.2	7.0	6.5–39.6	31
proximal ray length (mm)	2.8	1.7	0.8–6.0	25
proximal ray width	21.9	7.1	7.3–43.0	30
Choanosomal diactin
length (mm)	9.1	5.1	1.6–21.3	35
width	16.4	9.1	4.2–47.0	35
Choanosomal hexactin
ray length (mm)	5.9	1.9	2.5–10.9	46
ray width	39.0	8.9	21.0–60.7	45
Dermalia stauractin
ray length	132	17	91–174	36
ray width	5.7	0.8	4.5–7.3	20
Dermalia subpentactin/hexactin
ray length	142	17	107–180	36
ray width	5.4	0.8	4.2–7.1	20
Atrialia subhexactin short pinular
ray length	21	5	13–40	26
tangential ray length	176	25	130–230	28
proximal ray length	130	22	93–184	26
tangential ray width	5.8	0.9	4.1–7.8	26
Atrialia, non-pinular hexactin
ray length	171	17	139–220	27
ray width	5.8	1.1	3.8–8.0	26
Oxy- and hemioxyhexaster
diameter	130.5	14.1	90.2–165.7	32
primary ray length	5.3	1.1	3.7–8.9	32
secondary ray length	60.2	6.2	47.3–77.1	32
Anisodiscohexaster
diameter	70.9	7.3	47.5–81.7	35
primary ray length	5.5	0.9	4.0–7.5	35
longest secondary ray length	30.3	3.9	19.4–36.0	35