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Taxonomy
Cardium halaense was named by d'Archaic and Haime (1854) [DISTRIBUTION: Middle-Late Eocene; Pakistan, India.]. It is not a trace fossil.
It was recombined as Trachycardium halaense by Prasad et al. (1988).
It was recombined as Trachycardium halaense by Prasad et al. (1988).
Sister species lacking formal opinion data
Cardium anclotense, Cardium brooksvillense, Cardium coutinhoi, Cardium delphicum, Cardium hernandoense, Cardium hortensium, Cardium inconspicuum, Cardium laddi, Cardium leucostomum, Cardium malacum, Cardium oedalium, Cardium oedalium, Cardium paraense, Cardium peruvianum, Cardium plectopleura, Cardium silicatum, Cardium stiriatum, Cardium striatum, Cardium ustrix, Cardium viridarii, Cardium virile, Cardium waylandi, Cardium zorritense, Cardium zorritoensis, Carduim fraternum, Laevicardium gigas, Pleuriocardia eufaulensis huntanum, Pleuriocardia huntanum, Pleurocardia longstreeti, Pleurocardia tinninense, T. bonellii, T. carolinensis, T. coxi, T. declive, T. denticostulatum, T. domeykoanum, T. efaulense, T. emmonsi, T. eufaulense, T. floridanum, T. granconense, T. heinzelini, T. kansasense, T. kinsimarae, T. longstreeti, T. magnum, T. multicostatum, T. niasense, T. oedalium, T. ouachitense, T. paraense, T. picteti, T. plectopleura, T. procerum, T. pseudogigas, T. pseudomagnum, T. quadragenerium, T. sindense, T. sindensis, T. sokkohense, T. spolongense, T. tenuistriatum, T. ustri, T. vaughani, T. waylandi, T. yokoyamai, T. gigas, T. dominicense, T. dominicense, T. muricata, T. sanctidavidis, T. striatum, T. striatum, T. evergladensis, T. flexicostatum, T. lingualionis
Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Cardium halaense d'Archaic and Haime |
| 1915 | Cardium halaense Oppenheim p. 24 figs. Pl 1, fig 16 |
| 1948 | Cardium halaense Furon p. 100 |
| 1988 | Trachycardium halaense Prasad et al. p. 191 |
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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.
†Trachycardium halaense d'Archaic and Haime 1854
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Diagnosis
No diagnoses are available