Miller, James Frederick; Repetski, John E; Nicoll, Robert; Nowlan, Godfrey; Ethington, Raymond
Nicoll et al. (1999, Brigham Young University Geology Studies 44, 27-101) published the taxonomy of species of the ramiform conodont Iapetognathus Landing in Fortey et al. (1982, The Cambrian-Ordovician boundary: sections, fossil distributions, and correlations, National Museum of Wales, Geological Series No. 3, Cardiff, 95-129) and its ancestor Iapetonudus Nicoll et al., 1999. Cooper et al. (2001, Episodes 24, 19-28) used the First Appearance Datum of Iapetognathus fluctivagus Nicoll et al.,...[Show more]
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