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Dactylodus excavatus
Taxonomy
Dactylodus excavatus was named by Saint John and Worthen (1866).
It was recombined as Polyrhizodus excavatus by St. John and Worthen (1875), Hay (1902); it was synonymized subjectively with Polyrhizodus digitatus by Lund (1983).
It was recombined as Polyrhizodus excavatus by St. John and Worthen (1875), Hay (1902); it was synonymized subjectively with Polyrhizodus digitatus by Lund (1983).