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Ctenopteris

Taxonomy
Ctenopteris was named by Saporta (1872). It is not extant. Its type is Ctenopteris cycadea.

It was assigned to Cycadaceae by Knowlton (1919); to Cycadophyta by Andrews (1970); and to Plantae by Dobruskina (1995).

Species
C. angustifolia, C. columbiensis, C. cycadea (type species), C. insignis (syn. C. minor, C. virginiensis), C. longifolia, C. punctata
Species lacking formal opinion data
C. changarnieri, C. girardoti, C. saranii, C. sarranii
Entered
by B. Allen (authorized by A. Dunhill) on 2020-01-16; modified by B. Allen on 2020-02-06

Synonymy list
YearName and author
1872Ctenopteris Saporta
1919Ctenopteris Knowlton
1970Ctenopteris Andrews
1995Ctenopteris Dobruskina

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RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
RankNameAuthor
superphylumEmbryophyta()
phylumCycadophytaBessey 1907
genusCtenopterisSaporta 1872

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. †Ctenopteris Saporta 1872
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†Ctenopteris angustifolia Fontaine 1889
†Ctenopteris columbiensis Penhallow 1902
†Ctenopteris cycadea Brongniart 1872
†Ctenopteris insignis Fontaine 1889
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Invalid names: Ctenopteris minor Fontaine 1889 [synonym], Ctenopteris virginiensis Fontaine 1889 [synonym]
†Ctenopteris longifolia Fontaine 1889
†Ctenopteris punctata Sixtel 1962
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Diet: "photoautotroph"superp
Created: 2026-03-30 14:38:16
Modified: 2026-03-30 14:38:16
Source: superp = superphylum
Reference: Kenrick and Crane 1997

Age range: base of the Kungurian to the top of the Albian or 283.30000 to 100.50000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Kungurian - Changhsingian283.3 - 251.902North Korea C. sp. 1 (30250)
Early/Lower Triassic251.902 - 246.7Russian Federation C. sp. 1 (30471 30490)
Ladinian - Carnian241.464 - 227.3Kyrgyzstan C. sp. 1 (30273)
Norian227.3 - 205.7China (Sichuan) C. sp. 1 (30030)
Norian - Rhaetian227.3 - 201.4China (Jiangxi) C. sp. 1 (29536 29689)
Rhaetian205.7 - 201.4France (Pas-de-Calais) C. sarranii, C. cycadea (24663)
Rhaetian - Hettangian205.7 - 199.5France C. saranii, C. cycadea (24559)
Bajocian - Bathonian170.9 - 165.3Turkmenistan C. sp. 1 (30950)
Oxfordian161.5 - 154.8France C. girardoti (24494 24496)
Late/Upper Jurassic - Albian161.5 - 100.5Canada (British Columbia) C. insignis (24850)
Early/Lower Kimmeridgian154.8 - 152.21France C. changarnieri (24514)
Early/Lower Cretaceous143.1 - 100.5Canada (British Columbia) C. sp. (31384)
Early/Lower Albian - Late/Upper Aptian113.2 - 113.2Ecuador (Loja) C. angustifolia (32488)
Early/Lower Albian - Late/Upper Aptian113.2 - 113.2Ecuador (El Oro) C. angustifolia (32482)