| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cryptotaxidae
Taxonomy
Cryptotaxidae was named by Klapper and Philip (1972). It is not extant. Its type is Cryptotaxis.
It was assigned to Polygnathacea by Clark et al. (1981).
It was assigned to Polygnathacea by Clark et al. (1981).
Subtaxa
Cryptotaxis (type genus), Patrognathus
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Cryptotaxidae Klapper and Philip |
| 1981 | Cryptotaxidae Clark et al. p. W103 |
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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
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan 1992 | |||||
Age range: base of the Late/Upper Frasnian to the top of the Arundian or 375.20000 to 339.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Frasnian | Brazil | Cryptotaxis sp. A (165874) | |
| Tournaisian | USA (Iowa) | Patrognathus andersoni (229317) | |
| Tournaisian | Russian Federation (Komi) | Patrognathus crassus (46529 46576) | |
| Arundian | United Kingdom (England) | Patrognathus capricornis (171782) |