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Taxonomy
Callocardia (Agriopoma) chioneformis was named by Gardner (1943) [DISTRIBUTION: Late Pliocene; North Carolina.]. Its type specimen is USNM 325564, a shell, and it is not a trace fossil.
Sister species lacking formal opinion data
C. ammondea, C. bilboraensis, C. elethusa, C. hawtofi, C. prosayana, C. recondita, C. riocollazica, C. securiformis, C. albofonte, C. amichel, C. hartti, C. nux, C. obscurata, C. prosayana, C. silicata, C. sincera, C. manoharae, C. sawitrae, C. subarata, Pitar amichel, Pitar japonica, Pitar japonicum
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Callocardia (Agriopoma) chioneformis Gardner p. 126 figs. Plate 19, Figs. 7, 8 |
| 1944 | Callocardia (Agriopoma) chioneformis Gardner p. 126 figs. Plate 19, Figs. 7, 8 |
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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.
†Callocardia (Agriopoma) chioneformis Gardner 1943
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Early/Lower Pleistocene or 2.58000 to 0.77400 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pleistocene | USA (North Carolina) | Callocardia chioneformis (59318) |