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Nilssoniaceae

Cycadopsida - Cycadales - Nilssoniaceae

Taxonomy
Nilssoniaceae was named by Kimura and Sekido (1975).

It was assigned to Cycadales by Kimura and S (1975) and Holmes (1982).

Synonymy list
YearName and author
1975Nilssoniaceae Kimura and S
1975Nilssoniaceae Kimura and Sekido
1982Nilssoniaceae Holmes

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
phylumCycadophytaBessey 1907
classCycadopsidaBrongniart 1843
RankNameAuthor
orderCycadalesDumortier 1829
familyNilssoniaceaeKimura and Sekido 1975
familyNilssoniaceaeKimura and Sekido 1975

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. †Nilssoniaceae Kimura and Sekido 1975
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G. †Nilssoniocladus Kimura and Sekido 1975
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†Nilssoniocladus yukonensis Peppe et al. 2007
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Invalid names: Phylloteuthis subovata Meek and Hayden 1860 [synonym]
Invalid names: Phylloteuthis Meek and Hayden 1860 [synonym]
G. †Pseudoctenis Seward 1911
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†Pseudoctenis azcaratei Herbst and Troncoso 2000
†Pseudoctenis ballii Feistmantel 1886
†Pseudoctenis eathiensis Richards 1911
†Pseudoctenis fissa Du Toit 1927
†Pseudoctenis fragilis Bose and Banerji 1984
†Pseudoctenis grossa Holmes 1982
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Artinskian to the top of the Edmontonian or 290.10000 to 66.00000 Ma

Collections (183 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Permian298.9 - 251.902India (Jharkhand) Pseudoctenis ballii (224700)
Artinskian290.1 - 279.3Australia (Western Australia) Pseudoctenis sp. 1 (29429)
Artinskian - Kungurian290.1 - 272.3India (Odisha) Pseudoctenis balli (225422)
Artinskian - Kungurian290.1 - 272.3India (Jharkhand) Platypterygium balli (225420)
Artinskian - Kungurian290.1 - 272.3India Pseudoctenis sp. 1 (30152)
Roadian - Capitanian272.3 - 259.51Australia (Western Australia) Pseudoctenis sp. 1 (29430)
Wordian - Lopingian266.9 - 252.17India (Madhya Pradesh) Pseudoctenis sp. 1 (30175)
Wordian - Lopingian266.9 - 252.17India Pseudoctenis sp. 1 (30176 30178)
Wordian - Lopingian266.9 - 252.17India (Odisha) Pseudoctenis sp. 1 (30177)
Wuchiapingian - Zechstein259.9 - 254.14United Kingdom (England) Pseudoctenis middridgensis (25249)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Early/Lower Cretaceous145.0 - 100.5India (Gujarat) Pseudoctenis fragilis (32382 32386)
Early/Lower Cretaceous145.0 - 100.5Canada (British Columbia) Pseudoctenis hazeltonensis (31384)
Cretaceous145.0 - 66.0Greenland Pseudoctenis paututensis (23510) Pseudoctenis sp. (23435)
Barremian129.4 - 125.0India (Tamil Nadu) Pseudoctenis footeanum (46316)
Aptian125.0 - 113.0Antarctica Pseudoctenis sp. (151294)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0India (Gujarat) Pseudoctenis fragilis (32378)
Albian - Cenomanian113.0 - 93.9Russian Federation Nilssoniocladus chukotensis (34801)
Coniacian - Campanian89.8 - 72.1Canada (British Columbia) Pseudoctenis latipennis (35176 35181 35188 35189 35196 35207)
Maastrichtian72.1 - 66.0USA (North Dakota) Nilssoniocladus comtula, Nilssoniocladus yukonensis (96781)
Edmontonian70.6 - 66.0USA (Wyoming) Pseudoctenis AF013 (31974 31976 31981 31983 32134 32136)