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Neospirifer undatus
Taxonomy
Spirifer (Neospirifer) undata was named by Reed (1944).
It was recombined as Aperispirifer undatus by Termier et al. (1974); it was recombined as Neospirifer undatus by Archbold and Thomas (1986).
It was recombined as Aperispirifer undatus by Termier et al. (1974); it was recombined as Neospirifer undatus by Archbold and Thomas (1986).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1944 | Spirifer (Neospirifer) undata Reed p. 200 figs. Pl 25, figs 1,2 |
1968 | Aperispirifer naubauriensis Plodowski p. 255 figs. Pl 1, fig 8 |
1970 | Aperispirifer naubauriensis Plodowski p. 89 figs. Pl 3, figs 6-9; pl 11, fig 1 |
1974 | Aperispirifer undatus Termier et al. p. 102 figs. Pl 12, figs 4-8; pl 13, figs 1-4; text-figs 18,19 |
1986 | Neospirifer undatus Archbold and Thomas p. 132 |
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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.
†Neospirifer undatus Reed 1944
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Invalid names: Aperispirifer naubauriensis Plodowski 1968 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 25.1 | 17.7 | 35.0 | 25.5 | 8.66 |
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Sakmarian to the top of the Capitanian or 293.52000 to 259.51000 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Sakmarian | Afghanistan | Aperispirifer naubauriensis (97246) Aperispirifer undatus (119245) | |
Wordian | Pakistan | Spirifer undata (125817 125846 125848 125851 125855 125861 125865 125872) | |
Wordian - Capitanian | Pakistan | Spirifer undata (127031) | |
Capitanian | Pakistan | Spirifer undata (125863) |