|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Protobranchia - Sareptidae
It was reranked as Nuculana (Portlandia) by Marwick (1942); it was reranked as Yoldia (Portlandia) by Richards (1962).
It was assigned to Nuculana by Marwick (1942); to Yoldia by Richards (1962); to Nuculanidae by Woodring (1973), Hayami (1975) and Wienrich (1999); to Yoldiinae by Coan et al. (2000); and to Nuculoida by Sepkoski (2002).
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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.