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Dinorthis subplicatella
Taxonomy
Orthis (Plectorthis) subplicatella was named by Reed (1917).
It was recombined as Orthambonites subplicatellus by Williams (1962); it was recombined as Dinorthis subplicatella by Candela and Harper (2014).
It was recombined as Orthambonites subplicatellus by Williams (1962); it was recombined as Dinorthis subplicatella by Candela and Harper (2014).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1917 | Orthis (Plectorthis) subplicatella Reed p. 835 figs. pl. vi, figs. 22-26 |
| 1962 | Orthambonites subplicatellus Williams p. 100 figs. P1. VIII, figs. 12-14 |
| 2014 | Dinorthis subplicatella Candela and Harper pp. Supplement 1 |
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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.
†Dinorthis subplicatella Reed 1917
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams 1962 | Large, unequally biconvex, subcircular Orthambonites with obtuse cardinal angles; pedicle valve almost nine-tenths as long as wide and over one-quarter as deep as long, brachial valve about onefifth as deep as long and with a shallow, median sulcus embracing 6 costae; ornamentation consisting of about 32 low, rounded costae separated by equally wide interspaces bearing fine radial parvicostellae and conspicuous concentric lamellae: ventral muscle-field subflabellate, with the diductor scars almost enclosing the median adductor anteriorly and extending forward for about two-fifths the length of the pedicle vane. |
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: Burrellian or 456.60000 to 452.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Burrellian | United Kingdom (Scotland) | Orthambonites subplicatellus (165043 165048 165049 165050) |