Probably, to begin with, the Muses were one of those vague collections of deities, undifferentiated within the group, which are characteristic of certain, probably early, strata of Greek religion.
This result could be due to a different diagenetic history in this sample (perhaps the sample was exposed to excessive heat from cooking, for instance), or these barley grains may in fact have originated in an earlier stratum.
Cuvier did not think that these transitions were the result of divinely mandated catastrophes; and although he did not fully understand the mechanisms behind them, he hypothesized that the animals that succeeded those of earlier strata may have migrated in from elsewhere as the environments changed.
In the earliest strata of texts reliably attributed to Bodhidharma and other early Chan teachers (see Broughton 1999), we find Bodhidharma claiming that there are two points of entry to Buddhism: via li, an "informing impetus" or "principle"; and via xing, "practice".
Already in the earliest strata of the canonical literature we find a tripartite model of cognition in which a clear distinction is made between the phenomenal world, its mode of apprehension, and the specific type of consciousness by which it is apprehended.
Heteronectes is a related, and very similar fossil from slightly earlier strata of France.
If the chordates radiated before the Cambrian as molecular analyses suggest, there are only rather dubious chordate fossils in earlier strata.
It consists of a partial anterior dentary 11.5 cm in length from an early Albian stratum of the Chenini Formation of Tunisia.
In 1864 Lapworth became a schoolmaster at Galashiels and began his studies of the early Paleozoic strata of the Southern Uplands.
geologist who first established the geologic sequence of Early Paleozoic strata (the Paleozoic Era began 542 million years ago and ended about 251 million years ago).
