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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Serratognathidae
Taxonomy
Serratognathidae was named by Zhen et al. (2009). Its type is Serratognathus.
It was assigned to Protopanderodontida by Zhen et al. (2009).
It was assigned to Protopanderodontida by Zhen et al. (2009).
Subtaxa
Serratognathoides, Serratognathus (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Serratognathidae Zhen et al. pp. 670 - 671 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Y. Y. Zhen et al. 2009 | Conodonts having a trimembrate apparatus including symmetrical Sa, asymmetrical Sb and strongly asymmetrical Sc elements, which form a symmetry transitional series; elements serratognathidiform (modified pectiniform); upper surface varying from concave to convex or even strongly conical in anterior or lateral view, and ornamented with discrete denticles or nodes more often aligned in rows; basal surface smooth, lacking basal cavity; cusp varying from indistinct to robust, typically located at the posterior end of elements; lateral process on each side variously developed, typically as postero-lateral extension of a broad anterior rim. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Age range: base of the Arenig to the top of the Bendigonian or 478.60000 to 473.10000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadoc | China (Hubei) | Serratognathus sp. (4727 4728) | |
| Arenig | China (HeBei) | Serratognathus sp. (7963) | |
| Arenig | China (JiangSu) | Serratognathus sp. (7924 7925) | |
| Arenig | China (Hubei) | Serratognathus diversus (154775) Serratognathus sp. (4724 4726) | |
| Floian | China (Hunan) | Serratognathus diversus (226639) | |
| Floian | Malaysia (Perlis) | Serratognathus bilobatus (228436) | |
| Floian | China (XinJiang, Prov ) | Serratognathoides chuxianensis (154829) | |
| Bendigonian | Australia (Western Australia) | Serratognathus bilobatus (157186) |