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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyclosorus
Taxonomy
Cyclosorus was named by Link (1833). It is extant. It is considered to be a form taxon. It was considered monophyletic by I (2016).
It was assigned to Pteridopsida by Link (1833); to Thelypteridaceae by Chauhan (1991) and Liu et al. (1996); and to Thelypteridoideae by I (2016).
It was assigned to Pteridopsida by Link (1833); to Thelypteridaceae by Chauhan (1991) and Liu et al. (1996); and to Thelypteridoideae by I (2016).
Species
Synonymy list
Year | Name and author |
---|---|
1833 | Cyclosorus Link |
1991 | Cyclosorus Chauhan |
1996 | Cyclosorus Liu et al. |
2016 | Cyclosorus I |
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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
No ecological data are available
Age range
Maximum range based only on fossils: base of the Late/Upper Eocene to the top of the Pleistocene or 37.20000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Collections (18 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Middle Eocene - Late/Upper Eocene | China (Xizang) | C. nervosus (223828) | |
Late/Upper Eocene | Myanmar (Sagaing) | C. sp. (227632 227665 227674 227721 227788) | |
Pleistocene | Australia (Queensland) | C. gongylodes (168819 168822 168893 168904) | |
Quaternary | India (Assam) | C. sp. (228813 228815) | |
Middle Pleistocene - Holocene | Australia (Queensland) | C. gongylodes (168896) | |
Late/Upper Pleistocene - Holocene | Australia (Queensland) | C. sp. (168747 168749 168750 168751 168755) |