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Taxonomy
Cardium (Trigoniocardium) protoaliculum was named by Richards (1953) [DISTRIBUTION: Eocene; Gulf Coastal Plain.]. Its type specimen is FGS I-7572, a shell, and it is not a trace fossil. Its type locality is FGS L-93 - Gulf Hammock [Inglis Limestone], which is in a Priabonian marine limestone in the Inglis Limestone Formation of Florida.
It was recombined as Trigoniocardia (Americardia) protoaliculum by Palmer and Brann (1965).
It was recombined as Trigoniocardia (Americardia) protoaliculum by Palmer and Brann (1965).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Cardium (Trigoniocardium) protoaliculum Richards |
| 1965 | Trigoniocardia (Americardia) protoaliculum Palmer and Brann p. 319 |
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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.
†Trigoniocardia (Americardia) protoaliculum Richards 1953
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926, Todd 2001 | |||||
Age range: base of the Lutetian to the top of the Priabonian or 47.80000 to 33.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | USA (Florida) | Cardium protoaliculum (41450) | |
| Priabonian | USA (Florida) | Cardium protoaliculum (type locality: 41453) |