- Skeleton:
-
Composition: Silicate
Note: Material so thin that no definitive skeletal structure can be determined
- Megasclere:
-
Shape: Styles (thick)
Length: 260 -316- 380 µ
Width: 10 -15- 20 µ
- Megasclere:
-
Shape: Styles (thin)
Length: 900 -967- 1400 µ
Width: 5 -6- 7 µ
- Megasclere:
-
Shape: Triactine to Hexactine (rays only)
Length: 35 -46- 66 µ
Width: 5 -9- 10 µ
Note: finely echinate; terminate in small bulbs.
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