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Marrolithoides
Taxonomy
Marrolithoides was named by Williams (1948) [Sepkoski's age data: O Llde-l O Cara-l Sepkoski's reference number: 378]. It is not extant.
It was assigned to Asaphida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2002).
It was assigned to Asaphida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2002).