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Taxonomy
Trachycardium (Dallocardia) was named by Stewart (1930). It is extant. Its type is Cardium quadragenarium.
It was Cardium (Dallocardia) by Hertlein and Grant (1972); it was reranked as Dallocardia by Sepkoski (2002), Coan and Valentich-Scott (2012).
It was assigned to Cardium by Hertlein and Grant (1972); to Veneroida by Sepkoski (2002); to Trachycardium by Stewart (1930), Woodring (1938), da Silva Forti (1969), Woodring (1982), Coan et al. (2000), Moore (2003); and to Trachycardiinae by Coan and Valentich-Scott (2012).
It was Cardium (Dallocardia) by Hertlein and Grant (1972); it was reranked as Dallocardia by Sepkoski (2002), Coan and Valentich-Scott (2012).
It was assigned to Cardium by Hertlein and Grant (1972); to Veneroida by Sepkoski (2002); to Trachycardium by Stewart (1930), Woodring (1938), da Silva Forti (1969), Woodring (1982), Coan et al. (2000), Moore (2003); and to Trachycardiinae by Coan and Valentich-Scott (2012).
Subtaxa
D. quadragenarium, D. senticosum, D. vaquerosense, D. woodringi, Trachycardium (Dallocardia) baiterum, Trachycardium (Dallocardia) bowdenense, Trachycardium (Dallocardia) dominicense (syn. Cardium (Trachycardium) gatunense), Trachycardium (Dallocardia) muricatum, Trachycardium (Dallocardia) phlyctaena, Trachycardium (Dallocardia) puebloense, Trachycardium (Dallocardia) sagaseri, Trachycardium (Dallocardia) tintinnabularum
Synonymy list
Year | Name and author |
---|---|
1930 | Trachycardium (Dallocardia) Stewart p. 264 |
1938 | Trachycardium (Dallocardia) Woodring p. 53 |
1969 | Trachycardium (Dallocardia) da Silva Forti p. 81 |
1972 | Cardium (Dallocardia) Hertlein and Grant pp. 253 |
1982 | Trachycardium (Dallocardia) Woodring p. 637 |
2000 | Trachycardium (Dallocardia) Coan et al. p. 361 |
2002 | Dallocardia Sepkoski |
2003 | Trachycardium (Dallocardia) Moore |
2012 | Dallocardia Coan and Valentich-Scott p. 413 |
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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.
G. Dallocardia Stewart 1930
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Dallocardia quadragenarium Conrad 1837 [spiny cockle]
Dallocardia senticosum Sowerby 1833
†Dallocardia vaquerosense Arnold 1908
†Dallocardia woodringi Loel and Corey 1932
†Trachycardium (Dallocardia) baiterum Woodring 1982
†Trachycardium (Dallocardia) bowdenense Dall 1900
†Trachycardium (Dallocardia) dominicense Gabb 1873
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†Trachycardium (Dallocardia) dominicense hadratatum Woodring 1982
Invalid names: Cardium (Trachycardium) gatunense Toula 1901 [synonym]
Trachycardium (Dallocardia) muricatum Linnaeus 1758
†Trachycardium (Dallocardia) phlyctaena Dall 1900
†Trachycardium (Dallocardia) puebloense Anderson 1929
†Trachycardium (Dallocardia) sagaseri Adegoke 1969
†Trachycardium (Dallocardia) tintinnabularum Maury 1917
Diagnosis
No diagnoses are available