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Idiostrophia prima
Taxonomy
Idiostrophia prima was named by Popov et al. (2005). Its type specimen is RM Br137126, a valve (conjoined valves), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Idiostrophia prima Popov et al. pp. 748 - 749 figs. Plate 1, figures 10–13; Plate 2, figures 9–10; Text-figure 4B |
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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.
†Idiostrophia prima Popov et al. 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. E. Popov et al. 2005 | Shell subtriangular, almost equally biconvex, about half as thick as long; radial ornament paucicostate, 6–11 ribs originating about 3 mm from the umbo; ventral interior with narrow spondylium supported anteriorly by low median septum; dorsal interior with short brachial processes and septalium supported by a long median septum exceeding 2 mm in adult specimens. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||