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Taxonomy
Cardium (Trigoniocardia) ballenium was named by Pilsbry and Olsson (1941). It is not a trace fossil. Its type locality is Zone B (lower) - Jama Formation, which is in a Pliocene offshore sandstone in the Jama Formation of Ecuador.
Sister species lacking formal opinion data
C. alabamense, C. cedrelarum, C. cottaldinum, C. erinaceum, C. heinzelini, C. hernandoense, C. hispidiforme, C. knappi, C. latisulcum, C. leucostoma, C. lineolatum, C. lithopodolicum, C. problematicum, C. rouyanum, C. scabrum, C. schweinfurthi, C. transcarpaticum, C. triangulatum, C. vindobonense, C. volckmanni, C. colosseum, C. estacianum, C. sellardsi, C. triboleti, C. hanpeizanense, C. anclotense, C. brooksvillense, C. coutinhoi, C. hernandoense, C. hortensium, C. leucostomum, C. plectopleura, C. ustrix, C. viridarii, C. colosseum, Trigoniocardia ceramida, Trigoniocardia maturensis
Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Cardium (Trigoniocardia) ballenium Pilsbry and Olsson |
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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.
†Cardium (Trigoniocardia) ballenium Pilsbry and Olsson 1941
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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, Todd 2001, Sanchez Roig 1926 | |||||