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Sphenopteris
Taxonomy
Sphenopteris was named by Sternberg (1825). It is not extant.
It was assigned to Pteridophyta by Knowlton (1919); to Filicales by Lakhanpal et al. (1976), Lapasha and Miller (1985), Chandra and Tewari (1991) and McLoughlin et al. (1995); and to Sphenopteridae by Dilcher et al. (2005).
It was assigned to Pteridophyta by Knowlton (1919); to Filicales by Lakhanpal et al. (1976), Lapasha and Miller (1985), Chandra and Tewari (1991) and McLoughlin et al. (1995); and to Sphenopteridae by Dilcher et al. (2005).
Species
S. anderssonii, S. baileyana, S. bindrabunensis, S. corrugata, S. egyptiaca, S. elaminata, S. elegans, S. essinghii, S. hislopii, S. humphresiana, S. hymenophylloides, S. imbricata, S. khairbaniensis, S. latiloba, S. membranosa, S. metzgerioides, S. otagoensis, S. plurinervia, S. polymorpha, S. pottsvillea, S. rajmahalensis, S. sakrigaliensis, S. sanjuliensis, S. specifica, S. tiruchirapalliense, S. wadiai
Species lacking formal opinion data
S. S. striata, S. amoena, S. arguta, S. barbalata, S. crenularis, S. diphlebia, S. dissecta, S. dixoni, S. dufayi, S. erecta, S. fittoni, S. flabelina, S. germanica, S. goeppertii, S. haliburtoni, S. hirticula, S. lescuriana, S. macilenta, S. matheti, S. mathetii, S. mendescorreae, S. metzgeriodes, S. microcarpa, S. naktongensis, S. obtusiloba, S. pelloi, S. roessertiana, S. schatzlarensis, S. schimperiana, S. sewardi, S. strigosa
Synonymy list
| Year | Name and author |
|---|---|
| 1825 | Sphenopteris Sternberg |
| 1919 | Sphenopteris Knowlton |
| 1976 | Sphenopteris Lakhanpal et al. |
| 1985 | Sphenopteris Lapasha and Miller |
| 1991 | Sphenopteris Chandra and Tewari |
| 1995 | Sphenopteris McLoughlin et al. |
| 2005 | Sphenopteris Dilcher et al. p. 161 |
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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.
G. †Sphenopteris Sternberg 1825
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†Sphenopteris anderssonii Halle 1913
†Sphenopteris baileyana Tenison-Woods 1898
†Sphenopteris bindrabunensis Feistmantel 1876
†Sphenopteris corrugata Newberry 1868
†Sphenopteris egyptiaca Emmons 1857
†Sphenopteris elaminata Sharma 1975
†Sphenopteris elegans Brongniart 1822
†Sphenopteris essinghii Andrae 1866
†Sphenopteris hislopii Oldham and Morris 1863
†Sphenopteris humphresiana Baily 1870
†Sphenopteris hymenophylloides Brongniart 1828
†Sphenopteris imbricata Sharma 1969
†Sphenopteris khairbaniensis Ganju 1947
†Sphenopteris latiloba Fontaine 1889
†Sphenopteris membranosa Feistmantel 1876
†Sphenopteris metzgerioides Harris 1945
†Sphenopteris otagoensis Arber 1917
†Sphenopteris plurinervia Heer 1881
†Sphenopteris polymorpha Feistmantel 1876
†Sphenopteris pottsvillea Gastaldo and Boersma 1983
†Sphenopteris rajmahalensis Sahni and Rao 1934
†Sphenopteris sakrigaliensis Sah 1966
†Sphenopteris sanjuliensis Cantrill and Nagalingum 2005
†Sphenopteris specifica Feistmantel 1876
†Sphenopteris tiruchirapalliense Sukh-Dev and Rajanikanth 1988
†Sphenopteris wadiai Sitholey 1944
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family | |||||
| Reference: Stockmans 1968 | |||||
Age range: base of the Middle Givetian to the top of the Campanian or 383.00000 to 72.10000 Ma
Collections (616 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian - Early/Lower Frasnian | Belgium (Ronquieres) | S. brabantica (32216) | |
| Middle Givetian | Belgium (Brabant) | S. brabantica (32214) | |
| Middle Famennian | USA (West Virginia) | S. sp. (21198) | |
| Late/Upper Famennian | Belgium (Namur) | S. flaccida (32232 32236 32272 32273) S. flaccida, S. boozensis, S. modavensis, S. mailleuxii (32278) S. flaccida, S. boozensis, S. mourloni (32276) S. flaccida, S. maillieuxi, S. olnensis (32274) S. flaccida, S. modavensis (32279) S. modavensis (32234) | |
| Late/Upper Famennian | Ireland | S. hookeri, S. humphresiana (32230) | |
| Hastarian - Ivorian | Germany (Thuringia) | S. filiformis (20975) | |
| Tournaisian | Canada (Newfoundland and Labrador) | S. strigosa (28007) | |
| Tournaisian | France (SC Massif Central) | S. sp. (21362) | |
| Tournaisian - Visean | United Kingdom (Wales) | S. obfalcata (34465) | |
| Mississippian | Canada (New Brunswick) | S. marginata, S. valida (12421) S. strigosa (28475 28559 28763 31259 31264 31265 31266) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Middle Albian - Late/Upper Albian | USA (Virginia) | S. lobata (106317) | |
| Late/Upper Albian | Antarctica | S. sanjuliensis (150511) | |
| Late/Upper Albian - Cenomanian | Argentina (Santa Cruz) | S. sp. (150633 150634 150635 150637) | |
| Late/Upper Albian - Cretaceous | Antarctica | S. sp. (32476) | |
| Early/Lower Cenomanian - Cenomanian | Canada (British Columbia) | S. stricta (32030) | |
| Early/Lower Cenomanian | Canada (British Columbia) | S. stricta (32096) | |
| Late/Upper Cenomanian - Early/Lower Turonian | Australia (Queensland) | S. sp. (21115) | |
| Coniacian - Campanian | Canada (British Columbia) | S. hollicki (35176 35177 35203) | |
| Late/Upper Santonian | Canada (Alberta) | S. burlingi (35093) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Antarctica | S. sp. (150237) | |