The Conodonta are an extinct phylum of
small, bilaterally symmetrical worm-like
animals of unknown affinities.
• Almost the entire fossil record of the
conodonts consists of small, microscopic
"tooth- and jaw-like" structures, termed
"elements", located in the head region of
the animal.
• Conodont elements occur in a wide variety
of shapes and are commonly found as
discrete microscopic grains.
• Conodonts lived between the Late
Cambrian and the Triassic.