Everything about Trichophycus Pedum totally explained
Trichophycus pedum (or
Treptichnus pedum; formerly
Phycodes pedum) is regarded as the earliest widespread complex
trace fossil. Its earliest appearance, which was contemporaneous with the last of the
Ediacaran biota, is used to define the dividing line between the
Ediacaran and
Cambrian Periods.However, it has since been discovered below the originally defined
GSSP.
Trichophycus pedum has a fairly complicated and distinctive
burrow pattern: along with a central, sometimes sinuous or looping burrow. It was made by successive probes upward through the
sediment in search of nutrients, generating a trace pattern reminiscent of a fan or twisted rope. It is considered more complex than earlier
Ediacaran fauna; and these
trace fossils, which occur worldwide, are usually found in
strata above them.
Since the
Trichophycus animal presumably lacked any hard anatomical features, such as
shells or
bones, only its burrows have been found. Its
morphology and relationship to modern animals is therefore unknown, and some dispute even its inclusion within the animal kingdom.
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