-
Siberian nomenclature stage 4
would overlap with
parts of the
Botomian and
Toyonian. The
beginning of
Cambrian Stage 4 has been
tentatively correlated with...
- the
first major extinction of the Phanerozoic, the 513 – 508 Ma Botoman-
Toyonian Extinction (BTE),
which included the loss of the
archaeocyathids and hyoliths...
- (about 5
centimetres or 2.0
inches long). It
lived during the
Botomian and
Toyonian stages (Olenellus-zone), 522 to 510
million years ago, in what is currently...
-
animals which lived in the
early to mid-Cambrian
Period (Tommotian to
Toyonian). They were very
similar to
archaeocyath sponges, with a cup-shaped calcareous...
-
solitary organisms,
while others formed colonies. In the
beginning of the
Toyonian Age
around 516 mya, the
archaeocyaths went into a
sharp decline. Almost...
-
inches long).
Fossils of
various species are
found in
Lower Cambrian (
Toyonian)-aged
marine strata from China, Korea, ****stan, the Himalayas, Iran, Spain...
- entire,
articulate specimens have not yet been found. It
lived during the
Toyonian stage (Upper Olenellus-zone), in what is
today the South-Western United...
-
during the
lower Cambrian.
Kutorginide diversity was
highest up to the "
Toyonian",
though they
began to
decline in the mid-Cambrian even as
other brachiopod...
- arthropods.
Olenellids lived during the late
Lower Cambrian (Botomian/
Toyonian) in the Olenellus-zone in the
former paleocontinent of
Laurentia and parts...
- G. A.; Cooper, B. J. (1993). "S****y
Fossils from the
Early Cambrian (
Toyonian) Wirrealpa,
Aroona Cr****, and
Ramsay Limestones of
South Australia". Journal...
