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Apotocardium lanterna
Taxonomy
Conocardium lanterna was named by Branson (1965). It is not a trace fossil.
It was recombined as Pseudoconocardium lanterna by Pojeta and Runnegar (1976), Bonem (1982), Hoare et al. (1982) and Wagner (1997); it was recombined as Apotocardium lanterna by Hoare et al. (2002), Kues et al. (2002), Rogalla et al. (2003) and Wagner (2023).
It was recombined as Pseudoconocardium lanterna by Pojeta and Runnegar (1976), Bonem (1982), Hoare et al. (1982) and Wagner (1997); it was recombined as Apotocardium lanterna by Hoare et al. (2002), Kues et al. (2002), Rogalla et al. (2003) and Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Conocardium lanterna Branson p. 247 figs. f. 1-9 |
| 1976 | Pseudoconocardium lanterna Pojeta and Runnegar p. 74 figs. pl. 32 f. 1-2; pl. 40 f. 3-14; pl. 41 f |
| 1982 | Pseudoconocardium lanterna Bonem |
| 1982 | Pseudoconocardium lanterna Hoare et al. pp. 124 - 128 figs. pl. 1 f. 22-27 |
| 1997 | Pseudoconocardium lanterna Wagner |
| 2002 | Apotocardium lanterna Hoare et al. pp. 15-19 figs. f. 1.1-1.5, 1.9-1.12, 1.16-1.19; 9.4-9.3 |
| 2002 | Apotocardium lanterna Kues et al. p. 129 fig. 4V |
| 2003 | Apotocardium lanterna Rogalla et al. pp. 657 - 661 figs. f. 1-13 |
| 2023 | Apotocardium lanterna Wagner p. 3117 |
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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.
†Apotocardium lanterna Branson 1965
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. S. Kues et al. 2002 | The shell body is moderately inflated and grades without significant discontinuity into the subtriangular snout region. The body displays seven major radial ribs, six of which begin near the beak and one of which was intercalated at about midheight. The ribs are crossed by much finer, very closely spaced growth lines. The interspaces are about twice the width of a rib near the ventral margin. The posterior rib is slightly enlarged and marks a sharp break with the short rostral area. Approximately 13 finer radial ribs are present on the snout, and these are crossed by strong, irregular, comarginal growth lines of nearly equal strength. The ventral margin of the snout region displays a moderate gape, and several stout denticles are preserved along these margins. |