Table 3 Ossicles of Cyrtocrinus praenutans from La Pouza (1–3) with one or more pits
From: Crinoids from the Middle Jurassic (Bajocian–Lower Callovian) of Ardèche, France
Type of ossicle | Total number (including Appendix 2) | Number of ossicles with pits | Percent of total (%) |
|---|---|---|---|
Cups and radials (single, 2, 3) | 2,443* | 90 | 3.7 |
Topmost columnals | 1,814 | 22 | 1.2 |
Columnals | 7,990 | 30 | 0.38 |
Attachment discs | 1,069 | 12 | 1.1 |
First primibrachials | 4,165 | 38 | 0.91 |
Second (axillary) primibrachials | 11,921 | 71 | 0.60 |
Secundibrachials | 58,744 | 82 | 0.14 |