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Taxonomy
Cardium cotteri was named by Cox (1931) [DISTRIBUTION: Middle Eocene; Pakistan, India.]. It is not a trace fossil.
It was recombined as Trachycardium cotteri by Eames (1951), Iqbal (1973).
It was recombined as Trachycardium cotteri by Eames (1951), Iqbal (1973).
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 |
|---|---|
| 1931 | Cardium cotteri Cox p. 82 figs. pl. 3, fig. 19 |
| 1951 | Trachycardium cotteri Eames p. 410 |
| 1973 | Trachycardium cotteri Iqbal p. 19 |
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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 cotteri Cox 1931
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Sanchez Roig 1926, Todd 2001, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Eocene to the top of the Lutetian or 56.00000 to 41.03000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | Pakistan | Trachycardium cotteri (77379 77380) | |
| Ypresian | India (Rajasthan) | Trachycardium cotteri (46999) | |
| Ypresian | Pakistan | Cardium cotteri (79074) | |
| Lutetian | Pakistan | Trachycardium cotteri (47022) |