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Taxonomy
Trachycardium (Trachycardium) was named by Mörch (1853). It is extant.
It was assigned to Trachycardium by Mörch (1853), Olsson (1967), Marasti (1973), Adegoke (1977), Woodring (1982), Coan et al. (2000) and Moore (2003).
It was assigned to Trachycardium by Mörch (1853), Olsson (1967), Marasti (1973), Adegoke (1977), Woodring (1982), Coan et al. (2000) and Moore (2003).
Subtaxa
Species lacking formal opinion data
Cardium anclotense, Cardium brooksvillense, Cardium coutinhoi, Cardium hernandoense, Cardium hortensium, Cardium leucostomum, Cardium plectopleura, Cardium ustrix, Cardium viridarii, Pleurocardia longstreeti, Trachycardium denticostulatum, Trachycardium lingualionis, Trachycardium quadragenerium, Trachycardium sindense
Synonymy list
| Year | Name and author |
|---|---|
| 1853 | Trachycardium (Trachycardium) Mörch |
| 1967 | Trachycardium (Trachycardium) Olsson pp. 10, 11 |
| 1973 | Trachycardium (Trachycardium) Marasti p. 107 |
| 1977 | Trachycardium (Trachycardium) Adegoke p. 272 |
| 1982 | Trachycardium (Trachycardium) Woodring p. 636 |
| 2000 | Trachycardium (Trachycardium) Coan et al. p. 413 |
| 2003 | Trachycardium (Trachycardium) 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. Trachycardium (Trachycardium) Mörch 1853
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†Trachycardium (Trachycardium) arcumbona Wiedey 1928
†Trachycardium (Trachycardium) brantlyi Weisbord 1929
Trachycardium (Trachycardium) consors Sowerby I 1833
Trachycardium (Trachycardium) isocardia Linnaeus 1758
†Trachycardium (Trachycardium) pessoae Maury 1924
†Trachycardium (Trachycardium) schencki Wiedey 1928
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Todd 2001, Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Cenomanian to the top of the Holocene or 100.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Collections (54 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (Texas) | Pleurocardia tinninense (6594 6637 6645) | |
| Early/Lower Campanian | USA (Delaware) | Pleurocardia longstreeti (6136 6137 6138 6139) | |
| Late/Upper Campanian | USA (Texas) | Pleurocardia sp. (7510 7512) | |
| Aquitanian | Panama | Trachycardium isocardia (42627 42629 93039) | |
| Early/Lower Miocene | Brazil (Para) | Cardium pessoae (65162 112590) | |
| Burdigalian | USA (Florida) | Trachycardium sp. (68971) | |
| Langhian | USA (California) | Trachycardium schencki (237494 237565 237566 237573) | |
| Langhian - Serravallian | Brazil (Para) | Cardium pessoae (58454) | |
| Middle Miocene | Colombia (Atlantico) | Cardium brantlyi (60682) | |
| Middle Miocene | USA (California) | Cardium arcumbona (220066) Cardium schencki (220064) | |
| Tortonian | Panama | Trachycardium isocardia (93054) | |
| Tortonian | Dominican Republic | Trachycardium flexicostatum (131379 131380 131382 131475) | |
| Late/Upper Miocene | USA (California) | Trachycardium schencki (94813) | |
| Messinian | Panama | Trachycardium isocardia (60692) | |
| Early/Lower Pliocene | Venezuela (Sucre) | Trachycardium isocardia (41543 41552) | |
| Pliocene | USA (Florida) | Cardium isocardia (75023) | |
| Late/Upper Pliocene | Venezuela | Trachycardium isocardia (131210 131217 131218 131237 131363) | |
| Late/Upper Pliocene | USA (Florida) | Trachycardium evergladensis (79761 79762 79766) Trachycardium sp. (69044) | |
| Late/Upper Pliocene | Jamaica | Trachycardium sp. (69090) | |
| Early/Lower Pleistocene | USA (Florida) | Cardium isocardia (79333) | |
| Early/Lower Pleistocene | USA (North Carolina) | Trachycardium isocardia (80033 80035) | |
| Pleistocene | USA (South Carolina) | Cardium isocardia (203376) | |
| Pleistocene | Dominican Republic | Cardium isocardia (75425) | |
| Pleistocene - Holocene | USA (South Carolina) | Cardium isocardia (203378) | |
| Late/Upper Pleistocene | Mexico | Trachycardium consors (147802 147803) | |
| Late/Upper Pleistocene | Mexico (Baja California Sur) | Cardium consors (89597) | |
| Late/Upper Pleistocene | USA (Florida) | Cardium isocardia (34269) | |
| Holocene | Venezuela | Trachycardium isocardia (131223) |