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Dicroidium is an extinct genus of fork-leaved seed ferns that were widely distributed over Gondwana during the Triassic (252 to 201 million years ago). Their fossils are known from South Africa, the Arabian Peninsula, Australia, New Zealand, South America, Madagascar, the Indian subcontinent and Antarctica. They were first discovered in Triassic sediments of Tasmania by Morris in 1845. Fossils from the Umm Irna Formation in Jordan and in Pakistan indicate that these plants already existed in Late Permian. Late surviving members of the genus are known from the Early Jurassic (Sinemurian) of East Antarctica. Within paleobotany, Dicroidium is a form genus used to refers to the leaves, associated with ovuluate organs classified as Umkomasia and pollen organs classified as Pteruchus, while Dicr

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rdf:type
rdfs:label
  • Dicroidium (en)
  • Dicroidium (ca)
  • Dicroidium (es)
  • Dicroidium (pt)
  • 二叉羊齒屬 (zh)
rdfs:comment
  • Dicroidium és un gènere extint de la divisió Pteridospermatophyta (falgueres amb llavors) que eren abundants a Gondwana durant el període Triàsic (fa 251-200 milions d'anys). (ca)
  • Dicroidium es un género extinto de Pteridospermas, un grupo de gimnospermas con hojas pinnadas como helechos y con semillas, que fue abundante en Gondwana durante el período Triásico (251-200 million años). Sus fósiles se conocen desde Sudáfrica, Australia, Nueva Zelanda, América del Sur y la Antártida. Fueron descubiertos en sedimentos del Triásico de Tasmania por Morris en 1845.​ (es)
  • Dicroidium é um género extinto de samambaias Pteridospermatophyta com sementes que eram abundantes no continente Gondwana durante o período Triássico (251 a 200 milhões de anos). Seus fósseis são conhecidos da África do Sul, Austrália, Nova Zelândia, América do Sul e Antártica. Eles foram descobertos em sedimentos do Triássico da Tasmânia por Morris em 1845. (pt)
  • 二叉羊齒屬（學名：Dicroidium），又名叉蕨屬、叉葉松屬，是一屬已滅絕的種子蕨，生存於三疊紀時期的岡瓦納大陸上。它們生長在熱帶森林中，是喙頭龍目等的主要食草。其化石主要分布於南半球。 (zh)
  • Dicroidium is an extinct genus of fork-leaved seed ferns that were widely distributed over Gondwana during the Triassic (252 to 201 million years ago). Their fossils are known from South Africa, the Arabian Peninsula, Australia, New Zealand, South America, Madagascar, the Indian subcontinent and Antarctica. They were first discovered in Triassic sediments of Tasmania by Morris in 1845. Fossils from the Umm Irna Formation in Jordan and in Pakistan indicate that these plants already existed in Late Permian. Late surviving members of the genus are known from the Early Jurassic (Sinemurian) of East Antarctica. Within paleobotany, Dicroidium is a form genus used to refers to the leaves, associated with ovuluate organs classified as Umkomasia and pollen organs classified as Pteruchus, while Dicr (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Dicroidium_zuberi_leaf.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Dicroidium_odontopteroides.jpg
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  • Gothan (en)
image caption
  • Dicroidium odontopteroides fossil leaf, Late Triassic Molteno Formation near Birds River South Africa. (en)
subdivision
  • * Dicroidium crassinervis( Australia, Antarctica, South Africa ) * Dicroidium coriaceum, ( Australia, Antarctica, South Africa ) * Dicroidium dubium ( Australia, Antarctica, South Africa ) * Dicroidium odontopteroides, ( Australia, New Zealand, Antarctica, India, South Africa, Argentina, Brazil) * Dicroidium stelznerianum, (Australia, New Zealand, Antarctica, South Africa, Argentina) * Dicroidium zuberi, ( Antarctica, Australia, South Africa, Brazil) (en)
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  • Species (en)
taxon
  • Dicroidium (en)
has abstract
  • Dicroidium és un gènere extint de la divisió Pteridospermatophyta (falgueres amb llavors) que eren abundants a Gondwana durant el període Triàsic (fa 251-200 milions d'anys). (ca)
  • Dicroidium es un género extinto de Pteridospermas, un grupo de gimnospermas con hojas pinnadas como helechos y con semillas, que fue abundante en Gondwana durante el período Triásico (251-200 million años). Sus fósiles se conocen desde Sudáfrica, Australia, Nueva Zelanda, América del Sur y la Antártida. Fueron descubiertos en sedimentos del Triásico de Tasmania por Morris en 1845.​ (es)
  • Dicroidium is an extinct genus of fork-leaved seed ferns that were widely distributed over Gondwana during the Triassic (252 to 201 million years ago). Their fossils are known from South Africa, the Arabian Peninsula, Australia, New Zealand, South America, Madagascar, the Indian subcontinent and Antarctica. They were first discovered in Triassic sediments of Tasmania by Morris in 1845. Fossils from the Umm Irna Formation in Jordan and in Pakistan indicate that these plants already existed in Late Permian. Late surviving members of the genus are known from the Early Jurassic (Sinemurian) of East Antarctica. Within paleobotany, Dicroidium is a form genus used to refers to the leaves, associated with ovuluate organs classified as Umkomasia and pollen organs classified as Pteruchus, while Dicroidum is also used collectively to refer to the whole plant. (en)
  • Dicroidium é um género extinto de samambaias Pteridospermatophyta com sementes que eram abundantes no continente Gondwana durante o período Triássico (251 a 200 milhões de anos). Seus fósseis são conhecidos da África do Sul, Austrália, Nova Zelândia, América do Sul e Antártica. Eles foram descobertos em sedimentos do Triássico da Tasmânia por Morris em 1845. (pt)
  • 二叉羊齒屬（學名：Dicroidium），又名叉蕨屬、叉葉松屬，是一屬已滅絕的種子蕨，生存於三疊紀時期的岡瓦納大陸上。它們生長在熱帶森林中，是喙頭龍目等的主要食草。其化石主要分布於南半球。 (zh)
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