In the geological timescale, the Llandovery Epoch (from 443.8 ± 1.5 million years ago to 433.4 ± 0.8 million years ago) occurred at the beginning of the...
13 KB (1,220 words) - 05:11, 11 August 2024
the Wenlockian) is the second epoch of the Silurian. It is preceded by the Llandovery Epoch and followed by the Ludlow Epoch. Radiometric dates constrain...
6 KB (389 words) - 05:12, 11 August 2024
work here resulted in the name "Llandovery" being given to rocks of a certain age across the world. The Llandovery epoch is the earliest in the Silurian...
14 KB (1,612 words) - 21:53, 18 July 2024
Telychian (category Llandovery epoch)
geologic timescale, the Telychian is the third and final age of the Llandovery Epoch of the Silurian Period of the Paleozoic Era of the Phanerozoic Eon...
5 KB (328 words) - 14:20, 3 August 2024
Placoderm (category Llandovery first appearances)
identifiable placoderms appear in the fossil record during the late Llandovery epoch of the early Silurian. They eventually outcompeted the previously dominant...
42 KB (4,325 words) - 18:29, 10 August 2024
"acanthodian" stem-chondrichthyans from the lower Silurian (late Aeronian, Llandovery Epoch) of China around 439 million years old, making it currently the oldest...
2 KB (159 words) - 12:21, 11 June 2024
fish known from the Patrick Burn Formation in Scotland, dating to the Llandovery epoch of the Early Silurian period. Long thought of as a "basal anaspid,"...
5 KB (532 words) - 00:30, 23 July 2024
appearing during the Late Llandovery epoch (around 432 million years ago) and being extinct by the end of the Pridoli epoch. Eurypterus was also restricted...
93 KB (10,206 words) - 18:40, 27 July 2024
Rhuddanian (category Llandovery epoch)
the Rhuddanian is the first age of the Silurian Period and of the Llandovery Epoch. The Silurian is in the Paleozoic Era of the Phanerozoic Eon. The Rhuddanian...
6 KB (417 words) - 14:31, 3 August 2024
sulfide ore deposit is located at the border of the Ordovician to the Llandovery epoch. The ore is covered by an overlying layer of volcanic rhyolites. The...
16 KB (1,902 words) - 05:37, 14 August 2024