Table 4.

Spicule dimensions (µm) of Scyphidiumaustraliense Tabachnick, Janussen & Menschenina, 2008 from holotype NIWA 126237.

Parameter	mean	s.d.	range	no.
Prostal diactin
length (mm)	10.9	3.9	5.7–18.3	31
width	83.9	27.7	37.8–172.3	46
Choanosomal diactin
length (mm)	2.0	1.3	0.4–4.4	38
width	13.1	3.6	6.1–21.7	50
Dermalia pentactin
tangential ray length	145	17	106–186	31
ray width	15.3	1.8	11.0–18.4	31
proximal ray length	119	19	57–165	31
ray width	14.4	1.8	12.0–18.2	31
Atrialia hexactin
ray length	206	80	88–359	40
ray width	14.3	3.4	7.7–24.5	40
Sphere
diameter	189	77	90–388	54
Discohexaster 1
diameter	69.8	10.2	50.0–91.2	32
primary ray length	4.8	0.7	3.4–6.8	32
secondary ray length	30.3	5.4	20.6–42.8	32
Discohexaster 2
diameter	50.2	10.0	33.4–79.4	68
primary ray length	4.8	0.9	2.7–7.0	68
secondary ray length	20.3	4.9	11.7–34.6	68
Oxyhexaster
diameter	86.2	10.6	63.5–111.3	59
primary ray length	5.6	1.2	3.2–9.0	59
secondary ray length	37.3	5.5	23.8–49.8	59