Penarth Group
Geology
Formations: Cotham (1), Lilstock (8), Westbury (39), White Lias (16)
Lithologies: not reported (10), "siliciclastic" (5), claystone (8), "shale" (8), siltstone (1), sandstone (8), conglomerate (15), marl (5), "limestone" (14)
Paleoenvironments: marine indet. (31), terrestrial indet. (2), carbonate indet. (12), shallow subtidal indet. (1), marginal marine indet. (1), coastal indet. (17)
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Triassic | United Kingdom (Somerset) | (232475) | |
| Rhaetian | United Kingdom (Somerset) | (62956 62965 141540) | |
| Rhaetian | United Kingdom (England) | (48644 53829 57958 96612 96613 96615 96616 96617 113961 115223 120897 120928 122362 122363 122364 122365 122366 122367 131728 131729 137318 139595 141370 141371 141372 141373 163290 163291 163305 163306 163310 163311 163317 163318 163319 200948 200949 200950 200951 200952 200953 225932 226144) | |
| Rhaetian | United Kingdom (Gloucestershire) | (206568) | |
| Rhaetian | United Kingdom (Northern Ireland) | (122368) | |
| Rhaetian - Hettangian | United Kingdom (England) | (96604 96605 96606 96607 96608 96609 96611 206569 206570 206571 206572 206573) | |
| Hettangian | United Kingdom (England) | (115224 204162) | |
| Early/Lower Hettangian | United Kingdom (Wales) | (220336) |