A systematic review discusses conodont fossils under changing biological concepts, but it does not support the atlas’s former 520–201.4 Ma endpoints as one audited taxon range; that global display is withheld.
claim:taxon:conodonta:range-boundarySweet, W.C.; Donoghue, P.C.J.
taxonomy · range · morphology
Systematic review identifies the upper Cambrian through Triassic biostratigraphic record while warning that element-based taxonomy and incomplete multielement reconstruction complicate one stable biological range.
A systematic review discusses conodont fossils under changing biological concepts, but it does not support the atlas’s former 520–201.4 Ma endpoints as one audited taxon range; that global display is withheld.
claim:taxon:conodonta:range-boundary