==== Conodonts ====

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  * hard parts of early proto-vertebrates (?part of the mouth parts/feeding apparatus)
  * phosphatic mineralisation
  * geologic range: Precambrian – Triassic; important fossils for biostratigraphy in Paleozoic rocks
  * biostratigraphically significant in the Paleozoic but with relatively few practicing specialists

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//Assorted conodont elements. The fossil animal from which conodonts may have derived has only been discovered relatively recently.//