1. silurian - Noun
2. silurian - Adjective
3. Silurian - Proper noun
Of or pertaining to the country of the ancient Silures; -- a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country.
The Silurian age.
Source: Webster's dictionaryAs it was first identified, the "Silurian" series when traced farther afield quickly came to overlap Sedgwick's "Cambrian" sequence, however, provoking furious disagreements that ended the friendship. Source: Internet
Bands on the walls of tubes, in fact apparent from the early Silurian onwards, citation are an early improvisation to aid the easy flow of water. Source: Internet
During the early Silurian, they developed specialized cells, which were lignified (or bore similar chemical compounds) to avoid implosion; this process coincided with cell death, allowing their innards to be emptied and water to be passed through them. Source: Internet
During the Silurian, Gondwana continued a slow southward drift to high southern latitudes, but there is evidence that the Silurian icecaps were less extensive than those of the late Ordovician glaciation. Source: Internet
Fossil plants with anatomically preserved xylem are known from the Silurian (more than 400 million years ago), and trace fossils resembling individual xylem cells may be found in earlier Ordovician rocks. Source: Internet
A new exceptionally preserved biota from the Lower Silurian of Wisconsin, USA. Source: Internet