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Vetupraeca
Taxonomy
Vetupraeca was named by Nagel-Myers et al. (2008). Its type is Cardium vetustum. It was considered unknown by Nagel-Myers et al. (2008).
It was assigned to Praecardiidae by Nagel-Myers et al. (2008).
It was assigned to Praecardiidae by Nagel-Myers et al. (2008).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Deltacardium Nägel pp. 84 - 85 |
| 2008 | Vetupraeca Nagel-Myers et al. p. 1152 |
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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.
G. †Vetupraeca Nagel-Myers et al. 2008
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†Vetupraeca clymeniae Beushausen 1895
†Vetupraeca duplicata Münster 1840
†Vetupraeca melletes Clarke 1904
Invalid names: Deltacardium Nägel 2006 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Nägel 2006 (Deltacardium) | Shell trigonal to subtrigonal, equivalve. Valves highly inequilateral, prosocline; umbos prosogyrate, terminal, situated anterior, projecting more or less over hinge line. Broad, flat radial ribs, oftentimes with groove in the middle; fine, comarginal stria. At posterior margin ribs closer spaced, finer, sometimes rounder, less distinct in outline. Radial ribs almost comarginal on posterior part of shell; on anterior part ribs shorter, perpendicular to commissure; ribs broaden distinctly at margin. Hinge edentulous, ligamental groove faint, narrow, drawn out from beak almost to end of anterior part of dorsal margin. Internal features leave no imprints, even on best preserved moulds. | |
| J. Nagel-Myers et al. 2008 | Shells trigonal to subtrigonal, equivalved. Valves highly inequilateral, prosocline; umbos prosogyrate, terminal, situated anterior, projecting slightly over hinge line. Broad, flat, radial ribs, often with shallow groove in the middle; fine, commarginal striae. At posterior margin ribs more closely spaced, finer, sometimes more rounded, less distinct in outline. Radial ribs almost parallel with dorsal margin on posterior part of shell; on anterior part ribs shorter, perpendicular to commissure; ribs broaden distinctly at margin. Internal features unknown. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class | |||||
| References: Aberhan et al. 2004, Eaton 1871 | |||||
Age range: Early/Lower Famennian or 372.15000 to 368.50000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Famennian | USA (New York) | Cardium vetustum (84619) Praecardium duplicatum (84652) Praecardium vetustum (84629 84700 84701) | |
| Early/Lower Famennian | Germany (Rhenish Massif) | Praecardium vetustum, Praecardium clymeniae (5960) | |
| Early/Lower Famennian | Germany (Bayern) | Cardiola duplicata (84620) |