Definition of Substages. Meaning of Substages. Synonyms of Substages

- within the Lutetian sharing the upper boundary and contains the following substages: Late/Upper Uintan. Lower boundary source of the base of the Uintan (approximate)...
- Middle and Late/Upper subages or substages. In western Europe, especially in the United Kingdom, a subdivision in two substages (Vraconian and Gaultian) is...
- the Wasatchian NALMA stages. It is considered to contain the following substages: Cf3: (shares the upper boundary) and lower boundary source of the base...
- Uintan NALMA stages. The Bridgerian is considered to contain the following substages: Twinbuttean: Lower boundary source of the base of the Bridgerian (approximate)...
- Illinoian Stage is further subdivided into: the Liman Substage, the Monican Substage, and the Jubileean Substage. Since 1986, the Illinoian Stage has been interpreted...
- Ontario Iroquois stage is divided into chronological Uren and Middleport substages, which are sometimes termed as cultures. Wright controversially attributed...
- Stages are divided into smaller stratigraphic units called chronozones or substages, and added together into superstages. The term faunal stage is sometimes...
- Mexico in the south. The Wasatchian is considered to contain the following substages: Sandcouleean: shares lower boundary with the beginning of the Wasatchian...
- Olenekian is sometimes divided into the Smithian and the Spathian subages or substages. The Olenekian follows the Induan and is followed by the Anisian (Middle...
- Clarkforkian NALMA stages. The Tiffanian is considered to contain the following substages: Ti6: Lower boundary source of the base of the Tiffanian (approximate)...