PBDB Taxon

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Pteridospermophyta

Taxonomy

Pteridospermophyta is a phylum.

It was assigned to Embryophyta by Taylor et al. (2008).

Subtaxa

Albertlongia, Angaropteris, Aulacotheca, Bardia, Bilignea, Boulaya, Brongniartites, Buteoxylonales, Calathiops, Calathospermum (syn. Megatheca), Calymmatotheca, Camptosperma, Canipa, Cephalopteris, Chapelia, Codonotheca, Coseleya, Crossotheca, Dictyoxylon, Dimeripteris, Diplotheca, Diplothmema, Dolichosperma, Eccroutosperma, Eltovaria, Emplectopteris, Eurystoma, Geminitheca, Genomosperma, Gimmia, Girtya, Glossophyllaceae, Gnetopsis, Goldenbergia, Halletheca, Heterangium, Heterotheca, Hoegia, Hydrasperma, Hymenotheca, Ilfeldia, Jongmansis, Kegelidium, Kurtziana, Lacoea, Lagenospermum, Lagenostoma, Lithangium, Lyginorachis, Megaloxylon, Microspermopteris, Nudospermum, Nystroemia, Ootheca, Paracalathiops, Paragonorrachis, Perezlaria, Periastron, Physostoma, Potoniea, Pteridozamites, Rhetinangium, Rhetinotheca, Rotodontiospermum, Runcaria, Salpingostoma, Schopfiastrum, Schopfitheca, Simplotheca, Spermolithus, Spermopteris, Sphaerostoma, Sphenoxylon, Stamnostoma, Staphylotheca, Stenokoleos, Syncrama, Tantallosperma, Telangium, Tetrastichia, Tristichia, Tyliosperma, Unguitheca, Utkalia, Whittleseya, Yakia, Zimmermannitheca

Synonymy list

Year	Name and author
2008	Pteridospermophyta Taylor et al. p. 1027

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Rank	Name	Author
kingdom	Plantae
subkingdom	Embryophyta

Rank	Name	Author
phylum	Pteridospermophyta
phylum	Pteridospermophyta

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.

Ph. †Pteridospermophyta

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G. †Albertlongia Taylor 1967

†Albertlongia incostata Taylor 1967

G. †Angaropteris Chachlov and Pollak 1936

†Angaropteris glossopteroides Schmalhausen 1936

G. †Aulacotheca Halle 1933

†Aulacotheca elongata Kidston 1933

G. †Bardia Zalessky 1933

†Bardia maueri Zalessky 1933

G. †Bilignea Kidston 1923

†Bilignea solida Kidston 1923

G. †Boulaya Carpentier 1925

†Boulaya fertilis Kidston 1933

G. †Brongniartites Zalessky 1927

†Brongniartites salicifolius Fischer 1927

Or. †Buteoxylonales

G. †Buteoxylon Barnard and Long 1973

†Buteoxylon gordonianum Barnard and Long 1973

G. †Calathiops Goeppert 1865

†Calathiops beinertiana Goeppert 1865

G. †Calathospermum Walton 1940

†Calathospermum scoticum Walton 1940

Invalid names: Megatheca Andrews 1940 [synonym]

G. †Calymmatotheca Stur 1877

†Calymmatotheca stangeri Stur 1877

G. †Camptosperma Long 1961

†Camptosperma berniciense Long 1961

G. †Canipa Skog 1969

†Canipa quadrifida Skog 1969

G. †Cephalopteris Nathorst 1914

†Cephalopteris mirabilis Nathorst 1914

G. †Chapelia Beck and Bailey 1967

†Chapelia campbellii Beck and Bailey 1967

G. †Codonotheca Sellards 1903

†Codonotheca caduca Sellards 1903

G. †Coseleya Kidston 1914

†Coseleya glomerata Kidston 1914

G. †Crossotheca Zeiller 1883

†Crossotheca crepini Zeiller 1883

G. †Dictyoxylon Williamson 1869

†Dictyoxylon oldhamium Binney 1869

G. †Dimeripteris Schmalhausen 1894

†Dimeripteris fasciculata Schmalhausen 1894

G. †Diplotheca Kidston 1903

†Diplotheca stellata Kidston 1903

G. †Diplothmema Stur 1877

†Diplothmema gothanica Iannuzzi and Pfefferkorn 2002

†Diplothmema patentissimum Ettingshausen 1875

G. †Dolichosperma Long 1961

†Dolichosperma sexangulatum Long 1961

G. †Eccroutosperma Long 1961

†Eccroutosperma langtonense Long 1961

G. †Eltovaria White 1929

†Eltovaria bursiformis White 1929

G. †Emplectopteris Halle 1927

†Emplectopteris triangularis Halle 1927

G. †Eurystoma Long 1960

†Eurystoma angulare Long 1960

G. †Geminitheca Smith 1959

†Geminitheca scotia Smith 1959

G. †Genomosperma Long 1960

†Genomosperma kidstoni Calder 1938

G. †Gimmia Remy 1953

†Gimmia unilatera Remy 1953

G. †Girtya Read 1955

†Girtya pennsylvanica Read 1955

Fm. †Glossophyllaceae Dobruskina 1982

G. †Caytonanthus Harris 1937

†Caytonanthus arberi Thomas 1925

G. †Leuthardtia Kraüsel and Schaarschmidt 1966

†Leuthardtia ovalis Kraeusel and Schaarschmidt 1966

G. †Gnetopsis Renault and Zeiller 1884

†Gnetopsis elliptica Renault and Zeiller 1884

G. †Goldenbergia Halle 1933

G. †Halletheca Taylor 1971

†Halletheca reticulatus Taylor 1971

G. †Heterangium Corda 1845

†Heterangium paradoxum Corda 1845

G. †Heterotheca Benson 1922

†Heterotheca grievii Benson 1922

G. †Hoegia Townrow 1957

†Hoegia papillata Townrow 1957

G. †Hydrasperma Long 1961

†Hydrasperma tenuis Long 1961

G. †Hymenotheca Potonie 1890

†Hymenotheca beyschlagi Potonie 1890

G. †Ilfeldia Remy 1953

†Ilfeldia jejunata Grand'Eury 1877

G. †Jongmansis Plumstead 1958

†Jongmansis transvaalensis Plumstead 1958

G. †Kegelidium Dolianiti 1954

†Kegelidium lamegoi Dolianiti 1954

G. †Kurtziana Frenguelli 1942

†Kurtziana cacheutensis Kurtz 1921

G. †Lacoea Read 1946

†Lacoea seriata Read 1946

G. †Lagenospermum Nathorst 1914

†Lagenospermum nitidulum Heer 1914

G. †Lagenostoma Williamson 1876

†Lagenostoma ovoides Williamson 1876

G. †Lithangium Pant and Nautiyal 1960

†Lithangium indicum Pant and Nautiyal 1960

†Lithangium ovoides Pant and Nautiyal 1960

†Lithangium surangei Pant and Nautiyal 1960

G. †Lyginorachis Kidston 1923

†Lyginorachis papilio Kidston 1923

G. †Megaloxylon Seward 1899

†Megaloxylon scotti Seward 1899

G. †Microspermopteris Baxter 1949

†Microspermopteris aphyllum Baxter 1949

G. †Nudospermum Stockmans and Williere 1961

†Nudospermum kidstoni Arber 1905

G. †Nystroemia Halle 1927

†Nystroemia pectiniformis Halle 1927

G. †Ootheca Nathorst 1914

†Ootheca nordenskioldii Nathorst 1914

G. †Paracalathiops Remy 1953

†Paracalathiops stachei Stur 1877

G. †Paragonorrachis Grand'Eury 1877

†Paragonorrachis gutbieriana Presl 1838

G. †Perezlaria Delevoryas and Gould 1971

†Perezlaria oaxacensis Delevoryas and Gould 1971

G. †Periastron Unger 1856

†Periastron reticulatum Unger 1856

G. †Physostoma Williamson 1876

†Physostoma elegans Williamson 1876

Invalid names: Lagenostoma physoides Williamson 1876 [synonym], Sporocarpon ornatus Williamson 1880 [synonym]

G. †Potoniea Zeiller 1899

†Potoniea adiantiformis Zeiller 1899

G. †Pteridozamites Corsin 1929

†Pteridozamites zamioides Bertrand 1929

G. †Rhetinangium Gordon 1912

†Rhetinangium arberi Gordon 1912

G. †Rhetinotheca Leisman and Peters 1970

†Rhetinotheca tetrasolenata Leisman and Peters 1970

G. †Rotodontiospermum Arnold and Steidtmann 1937

†Rotodontiospermum illinoense Arnold and Steidtmann 1937

G. †Runcaria Stockmans 1968

†Runcaria heinzelinii Stockmans 1968

G. †Salpingostoma Gordon 1941

†Salpingostoma dasu Gordon 1941

G. †Schopfiastrum Andrews 1945

†Schopfiastrum decussatum Andrews 1945

G. †Schopfitheca Delevoryas 1964

†Schopfitheca boulayoides Delevoryas 1964

G. †Simplotheca Remy and Remy 1955

†Simplotheca silesiaca Remy and Remy 1955

G. †Spermolithus Johnson 1917

†Spermolithus devonicus Johnson 1917

G. †Spermopteris Cridland and Morris 1960

†Spermopteris coriacea Goeppert 1864

G. †Sphaerostoma Benson 1909

†Sphaerostoma ovale Williamson 1909

G. †Sphenoxylon Read 1937

†Sphenoxylon eupunctata Thomas 1935

G. †Stamnostoma Long 1960

†Stamnostoma huttonense Long 1960

G. †Staphylotheca Smith 1962

†Staphylotheca kilpatrickensis Smith 1962

G. †Stenokoleos Hoskins and Cross 1951

†Stenokoleos setchelli Read and Campbell 1939

G. †Syncrama Holden 1955

†Syncrama liratum Holden 1955

G. †Tantallosperma Barnard and Long 1973

†Tantallosperma setigera Barnard and Long 1973

G. †Telangium Benson 1904

†Telangium scotti Benson 1904

G. †Tetrastichia Gordon 1938

†Tetrastichia bupartides Gordon 1938

G. †Tristichia Long 1961

†Tristichia ovensi Long 1961

G. †Tyliosperma Mamay 1954

†Tyliosperma orbiculatum Mamay 1954

G. †Unguitheca Remy 1953

†Unguitheca pecopteroides Remy 1953

G. †Utkalia Chandra 1984

†Utkalia dichotoma Chandra 1984

G. †Whittleseya Newberry 1853

†Whittleseya elegans Newberry 1853

G. †Yakia White 1929

†Yakia heterophylla White 1929

G. †Zimmermannitheca Remy and Remy 1959

†Zimmermannitheca cupulaeformis Remy and Remy 1959

Diagnosis

No diagnoses are available