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Punctaconchus midfordensis
Taxonomy
Spirorbis midfordensis was named by Richardson (1907). It is a 3D body fossil.
It was recombined as Punctaconchus midfordensis by Vinn and Taylor (2007).
It was recombined as Punctaconchus midfordensis by Vinn and Taylor (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Spirorbis midfordensis Richardson |
| 2007 | Punctaconchus midfordensis Vinn and Taylor |
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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.
†Punctaconchus midfordensis Richardson 1907
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. Vinn and P. D. Taylor 2007 | Tube small, dextrally coiled (clockwise). External surface with strong longitudinal ridges, pitted regularly by large punctae. Internal surface with transverse ridges, sometimes bifurcating, forming a ripplemark−like pattern. Tube diameter increasing rapidly and regularly, umbilicus relatively narrow. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available