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Polygnathoides
Taxonomy
Polygnathoides was named by Branson and Mehl (1933) [Sepkoski's age data: S Ludl-l S Ludl-u Sepkoski's reference number: 867]. It is not extant.
It was assigned to Pterospathodontidae by Clark et al. (1981); and to Conodontophorida by Sepkoski (2002).
It was assigned to Pterospathodontidae by Clark et al. (1981); and to Conodontophorida by Sepkoski (2002).
Species lacking formal opinion data