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Bivalvia - Protobranchia - Sareptidae
It was reranked as Yoldia (Yoldiella) by Richards (1962); it was reranked as Portlandia (Yoldiella) by Schnetler (2001).
It was assigned to Yoldia by Richards (1962); to Yoldiellinae by Maxwell (1992) and Coan et al. (2000); to Portlandia by Schnetler (2001); to Sareptidae by Todd (2001); to Nuculoida by Sepkoski (2002); to Nuculanidae by Spencer et al. (2004); and to Yoldiidae by Mikkelsen (2006).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.