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Spinaptychus spinosus (ammonoid aptychus)
Taxonomy
Aptychus spinosus was named by Cox (1926). It is not extant. It is considered to be a form taxon.
It was recombined as Spinaptychus spinosus by Trauth (1927).
It was recombined as Spinaptychus spinosus by Trauth (1927).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Aptychus spinosus Cox |
| 1927 | Spinaptychus spinosus Trauth |
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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.
†Spinaptychus spinosus Cox 1926 [ammonoid aptychus]
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections
No collection or age range data are available