1. neocomian - Noun
2. neocomian - Adjective
A term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand.
Of or pertaining to the lower greensand.
Source: Webster's dictionaryYet happy we lived and happy we loved, And happy we died once more; Our forms were rolled in the clinging mold Of a Neocomian shore. The eons came and the eons fled And the sleep that wrapped us fast Was riven away in a newer day And the night of death was past. Langdon Smith
In older literature the Cretaceous is sometimes divided into three series: Neocomian (lower/early), Gallic (middle) and Senonian (upper/late). Source: Internet