Definition of Tommotian. Meaning of Tommotian. Synonyms of Tommotian

- and below Stage 3 of the Cambrian. It is commonly referred to as the Tommotian, after the Cambrian stratigraphy of Siberia. Neither the upper nor lower...
- in East Siberia, where they are first known from the beginning of the Tommotian Age of the Cambrian, 525 million years ago (mya). In other regions of...
- paleontologists define the lower boundary of the Cambrian at the base of the Tommotian Stage, characterized by diversification and global distribution of organisms...
- the Eastern European Platform) and for the carbonate basin (base of the Tommotian stage of the Siberian Platform). The lower boundary of the Vendian was...
- Tommotian type section, and most of this fauna in fact began to diversify in a series of pulses through the Nemakit-Daldynian and into the Tommotian....
- SSFs. The Russian discoveries of the late 1960s were ****igned to the Tommotian age of the Cambrian period, and for some time the term "small s****y fauna"...
- constructed by archaeocyathids and calcified microbes at the start of the Tommotian stage about 530 Ma, found in southeast Siberia. A major radiation occurred...
- of Southern Sweden, which was deposited in the Lower Cambrian (Upper Tommotian–Lower Atdabanian; Stages 2→3). It is the oldest currently known lobopodian...
- Yochelcionella is an extinct genus of basal molluscs which lived during the Tommotian epoch, the first epoch of the Cambrian period. This genus is often reconstructed...
- sponge-like animals which lived in the early to mid-Cambrian Period (Tommotian to Botomian). Cribricyatha were cup-shaped filter feeders similar to archaeocyathan...