Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pionomena recens
Taxonomy
Pionomena recens was named by Neuman (1967).
Synonymy list
Year | Name and author |
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1967 | Pionomena recens Neuman pp. A12-A13 figs. pl. 2, figs. 21-36 |
1982 | Pionomena recens Pope pp. L27 - L29 figs. Plate 7, figures 16-31; text-figure 12 |
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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.
†Pionomena recens Neuman 1967
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Diagnosis
Reference | Diagnosis | |
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J. K. Pope 1982 | Multicostellate. Pseudodeltidium uniformly arched, not carinate. Ventral valve smoothly convex, not folded. Dental plates short; diductor muscle scar not bordered by long thin plates. |
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: Chatfieldian or 453.80000 to 451.00000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Shermanian | USA (Kentucky) | Pionomena recens (77147 77148) | |
Chatfieldian | USA (Kentucky) | Pionomena recens (34547 99334 99335) |