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Taxonomy
Plagiocardium (Schedocardia) was named by Stewart (1930) [Sepkoski's age data: T Dani T Eo-u]. Its type is Cardium hatchetigbeensis.
It was Loxocardium (Schedocardia) by Weaver (1942); it was reranked as Schedocardia by Woodring (1982), Schneider (2002) and Sepkoski (2002); it was Acanthocardia (Schedocardia) by Palmer and Brann (1965), Squires (1984), Squires (1987), Moore (2003) and Kiessling (2003).
It was assigned to Plagiocardium by Stewart (1930) and Turner (1938); to Loxocardium by Weaver (1942); to Cardiinae by Woodring (1982) and Schneider (2002); to Veneroida by Sepkoski (2002); and to Acanthocardia by Palmer and Brann (1965), Squires (1984), Squires (1987), Moore (2003) and Kiessling (2003).
It was Loxocardium (Schedocardia) by Weaver (1942); it was reranked as Schedocardia by Woodring (1982), Schneider (2002) and Sepkoski (2002); it was Acanthocardia (Schedocardia) by Palmer and Brann (1965), Squires (1984), Squires (1987), Moore (2003) and Kiessling (2003).
It was assigned to Plagiocardium by Stewart (1930) and Turner (1938); to Loxocardium by Weaver (1942); to Cardiinae by Woodring (1982) and Schneider (2002); to Veneroida by Sepkoski (2002); and to Acanthocardia by Palmer and Brann (1965), Squires (1984), Squires (1987), Moore (2003) and Kiessling (2003).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Plagiocardium (Schedocardia) Stewart p. 255 |
| 1938 | Plagiocardium (Schedocardia) Turner p. 52 |
| 1942 | Loxocardium (Schedocardia) Weaver p. 153 |
| 1965 | Acanthocardia (Schedocardia) Palmer and Brann p. 23 |
| 1982 | Schedocardia Woodring p. 635 |
| 1984 | Acanthocardia (Schedocardia) Squires p. 49 |
| 1987 | Acanthocardia (Schedocardia) Squires p. 65 |
| 2002 | Schedocardia Schneider p. 361 figs. Figure 25 |
| 2002 | Schedocardia Sepkoski |
| 2003 | Acanthocardia (Schedocardia) Kiessling |
| 2003 | Acanthocardia (Schedocardia) Moore |
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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.
Subg. †Acanthocardia (Schedocardia) Stewart 1930
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†Acanthocardia (Schedocardia) tuomeyi Aldrich 1886
Diagnosis
No diagnoses are available