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Cyatheacidites

Polypodiopsida - Dicksoniaceae

Taxonomy
Cyatheacidites was named by Potonié (1956). It is not extant. It is considered to be a form taxon.

It was assigned to Cyatheales by Potonié (1956); to Lophosoriaceae by Santamarina et al. (2020); and to Dicksoniaceae by Perez Loinaze et al. (2023), Perez Loinaze et al. (2025).

Synonymy list
YearName and author
1956Cyatheacidites Potonié
2020Cyatheacidites Santamarina et al. p. 53
2023Cyatheacidites Perez Loinaze et al.
2025Cyatheacidites Perez Loinaze et al. p. 4

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RankNameAuthor
kingdomPlantae
phylumPteridophyta
classPolypodiopsida
RankNameAuthor
familyDicksoniaceaeSchomb 1849
genusCyatheaciditesPotonié 1956

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.

G. †Cyatheacidites Potonié 1956
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†Cyatheacidites annulata Cookson 1947
†Cyatheacidites annulatus Cookson 1947
†Cyatheacidites botuliformis Dettmann 1986
†Cyatheacidites granulosus Singh et al. 1964
†Cyatheacidites pulcher Potonié and Sah 1960
†Cyatheacidites tectifera Archangelsky and Gamerro 1965
†Cyatheacidites verrucosus Singh et al. 1964
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
Spore diameter20.0470.0410.0550.0480.010

No ecological data are available

Age range: base of the Late/Upper Aptian to the top of the Late/Upper Miocene or 119.57000 to 5.33300 Ma

Collections (135 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cretaceous143.1 - 100.5India (Tamil Nadu) C. sp. (224609)
Early/Lower Cretaceous - Late/Upper Cretaceous143.1 - 66.0Antarctica (Antarctic peninsula) C. annulatus (172746)
Barremian - Santonian125.77 - 83.6Antarctica C. annulatus (153420)
Aptian121.4 - 113.2Antarctica (Byers Peninsula) C. annulatus (151291)
Aptian121.4 - 113.2Argentina (Santa Cruz) C. tectifera (149982 150335)
Aptian - Early/Lower Albian121.4 - 110.1Argentina (Santa Cruz) C. tectifera (149849 149850)
Aptian - Albian121.4 - 100.5Argentina (Santa Cruz) C. sp., C. tectifera (150615)
Late/Upper Aptian119.57 - 113.2Argentina (Santa Cruz) C. sp., C. tectifera (149927)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1India (Gujarat) C. granulosus, C. verrucosus (32378)
Albian113.2 - 100.5Antarctica C. annulatus, C. archangelskii (153429) C. annulatus, C. archangelskii, C. botuliformis (153431 153432)
Albian - Cenomanian113.2 - 93.9Antarctica C. annulatus (153421 153423)
Early/Lower Albian - Early/Lower Cenomanian113.2 - 93.9Argentina (Santa Cruz) C. sp. 1, C. tectifera (149928)
Middle Albian - Late/Upper Albian110.1 - 100.5Antarctica C. annulatus, C. archangelskii, C. botuliformis (153430)
Cenomanian100.5 - 93.9Antarctica C. annulatus (153426) C. annulatus, C. archangelskii (153428)
Late/Upper Turonian - Early/Lower Coniacian93.9 - 85.7Antarctica C. annulatus (169324 169325 169326)
Coniacian - Early/Lower Santonian89.8 - 83.6Antarctica C. annulatus (169329 169330 169331 169332 169334 169335 169337 169338 169339 169340 169341 169342 169343 169344 169346 169348 169349 169351 169352)
Santonian - Campanian85.7 - 72.2Antarctica C. annulatus (169354) C. annulatus, C. archangelskii (150509)
Campanian83.6 - 72.2Antarctica C. annulatus, C. archangelskii (153425)
Campanian - Maastrichtian83.6 - 66.0Antarctica C. annulatus, C. archangelskii, C. botuliformis (153427)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Argentina (Mendoza) C. annulatus (168549)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Antarctica C. sp. (150271)
Early/Lower Maastrichtian72.2 - 66.0Argentina (Santa Cruz) C. annulatus (206968 231737 231738 231739 231740 231741 231742 231745 231750 240579 240581 240583)
Early/Lower Maastrichtian72.2 - 66.0Antarctica C. annulatus, C. archangelskii (75458)
Maastrichtian72.2 - 66.0Argentina (Santa Cruz) C. annulatus (168708 168710 234761 239937 239938 240032 240033 240036 240037 240038 240039 240042 240045 240046 240047 240048 240049 240050 240051 240052 240054 240056 240058 240080 240085 240086 240087 240088 240089 240438 240526 240527)
Maastrichtian72.2 - 66.0Argentina (Chubut) C. annulatus (149815 150882 151446 151452)
Danian66.0 - 61.66Argentina (Chubut) C. annulata (167921 167922) C. annulatus (151453 151454 151455 151456 151460 151463)
Early/Lower Paleocene - Danian66.0 - 61.66Antarctica (Seymour Island) C. annulatus (167469)
Paleocene66.0 - 56.0Argentina (Santa Cruz) C. annulatus (149973 149975 240545 240548 240549)
Paleocene66.0 - 56.0Argentina (Chubut) C. annulata (136554)
Eocene56.0 - 33.9Argentina (Santa Cruz) C. annulatus (167895 167896 167897 167899 167900)
Late/Upper Eocene - Oligocene37.71 - 23.04Chile (Doceava Región) C. annulatus (151436)
Early/Lower Oligocene33.9 - 27.3Australia (Tasmania) C. annulatus (166832)
Early/Lower Oligocene - Early/Lower Miocene33.9 - 15.98Australia (Victoria) C. annulatus (169237)
Late/Upper Oligocene27.3 - 23.04Argentina (Santa Cruz) C. annulatus (151587)
Late/Upper Oligocene - Early/Lower Miocene27.3 - 15.98Argentina (Santa Cruz) C. annulatus (142322 142323 142324)
Late/Upper Oligocene - Early/Lower Miocene27.3 - 15.98Argentina (Chubut) C. annulatus (143211 143212 143213 143214)
Late/Upper Oligocene - Early/Lower Miocene27.3 - 15.98Australia (Tasmania) C. annulatus (166703 167314)
Late/Upper Oligocene - Middle Miocene27.3 - 11.63Argentina (Tierra del Fuego) C. annulatus (169381)
Late/Upper Oligocene - Miocene27.3 - 5.333Argentina C. annulatus (169468)
Early/Lower Miocene - Middle Miocene23.04 - 11.63Argentina (Tierra del Fuego) C. annulatus (166708)
Middle Miocene15.98 - 11.63Australia (New South Wales) C. annulatus (224044)
Late/Upper Miocene11.63 - 5.333India (Kerala) C. pulcher (224707)