| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Synxenidae
Taxonomy
Synxenidae was named by Silvestri (1923). It is extant.
It was assigned to Polyxenida by Hoffman (1969), Wesener and Moritz (2018); and to Synxenoidea by Nguyen Duy-Jacquemin and Azar (2004), Rasnitsyn and Golovatch (2004), Su et al. (2019).
It was assigned to Polyxenida by Hoffman (1969), Wesener and Moritz (2018); and to Synxenoidea by Nguyen Duy-Jacquemin and Azar (2004), Rasnitsyn and Golovatch (2004), Su et al. (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Synxenidae Silvestri |
| 1969 | Synxenidae Hoffman p. 583 |
| 2004 | Synxenidae Nguyen Duy-Jacquemin and Azar |
| 2004 | Synxenidae Rasnitsyn and Golovatch p. 155 |
| 2018 | Synxenidae Wesener and Moritz p. 1132 |
| 2019 | Synxenidae Su et al. p. 221 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Fm. Synxenidae Silvestri 1923
show all | hide all
G. Phryssonotus Scudder 1885
hide
†Phryssonotus burmiticus Cockerell 1917
†Phryssonotus hystrix Menge 1854
Invalid names: Lophonotus Menge 1854 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|||||
|
|
||||
| Source: p = phylum | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Cenomanian to the top of the Priabonian or 100.50000 to 33.90000 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | France (Alpes-de-Haute- Provence) | Phryssonotus sp. (123441) | |
| Early/Lower Cenomanian | Myanmar | Phryssonotus burmiticus (144466 161726 196547) Polyxenus burmiticus (123020) | |
| Priabonian | Poland | Lophonotus hystrix (120811) |