Table 2 Calyx volume means for each formation
From: Ordovician–Silurian Lilliput crinoids during the end-Ordovician biotic crisis
Formation | All measured specimens | Species means for all measured specimens | All specimens with species means |
|---|---|---|---|
Chicotte Formation | 3792.7 | 2678.9 | 7267.5 |
Jupiter Formation | 771.7 | 564.5 | 543.1 |
Gun River Formation | 16.5 | 26.4 | 5.9 |
Becscie Formation | 51.5 | 82.1 | 96.9 |
Ellis Bay Formation | 112.6 | 160.8 | 122.4 |
Vauréal Formation | 181.9 | 463.2 | 197.8 |