Table 2 A list of main features of reported Petroxestes
Location | Ohio and Kentucky, USA | Liaoning Province, China | Anticosti Island, Canada | Liège, Belgium | Carriacou, Lesser Antilles | ||
|---|---|---|---|---|---|---|---|
Gunpowder Greek | Manchester | Yixian county | Sihetun village | ||||
Length (mm) | 14.2–26.1 | 15.5–24.9 | 11–20 | 9–21 | 13.29–48.11 | 14 | 3.8 |
Width (mm) | 2.9–4.7 | 2.5–4.4 | 2–4 | 1–3 | 3.01–6.62 | 4 | 1.4 |
W/L | 0.21 | 0.18 | 0.13–0.25 | 0.1–0.23 | 0.05–0.3 | 0.29 | 0.37 |
Depth (mm) | 1.7–11.0 | 4.5–20.1 | 1.5–3.0 | 1.5–3.0 | < 14.53 | 3.0–3.5 | 0.5 |
Quantity | Mass | Mass | Mass | ~ 20 | 1 | 1 | |
Formation | Kope Formation | Yixian Formation | Jupiter Formation | Maastricht Formation | Grand Bay Formation | ||
Series | Upper Ordovician | Lower Cretaceous | Lower Silurian | Upper Cretaceous | Middle Miocene | ||
Substrate | Lithic substrates | Lithic substrates | Clathrodictyon stromatoporoids | Hemipneustid echinoid | Incomplete valve of Ostrea | ||
Literature | Pojeta and Palmer 1976; Wilson and Palmer 1988; Taylor and Wilson 2003; Wilson and Palmer 2006 | This study | Jagt et al. 2009 | Pickerill et al. 2001 | |||