| Registro completo |
| Provedor de dados: |
Ameghiniana
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| País: |
Argentina
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| Título: |
A new angiosperm leaf morphotype from the Early Cretaceous (Late Aptian) of San Luis Basin, Argentina
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| Autores: |
Puebla,Gabriela G
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| Data: |
2009-09-01
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| Ano: |
2009
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| Palavras-chave: |
Angiosperm
Eudicots
Late Aptian
La Cantera Formation
Argentina
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| Resumo: |
A new fossil angiosperm leaf morphotype, "LC-Microphyll trifoliate", from the Late Aptian La Cantera Formation, central western Argentina, is described. The leaf remains occurred at the type section of the formation within a low diversity macrofloral association. Fossils are found mainly as isolated small size leaflets (0.3-1.5 cm long). The leaves are pinnately compound (imparipinnate, trifoliate), the leaflets have pinnately lobed margin, first vein category pinnate, secondary veins craspedodromous opposite to subopposite ending at the apex of lobes and an intramarginal vein. "LC-Microphyll trifoliate" is among the earliest record of leaf remains possibly allied to the eudicots and one of the first evidence of angiosperm with compound leaves.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142009000300009
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| Editor: |
Asociación Paleontológica Argentina
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| Formato: |
text/html
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| Fonte: |
Ameghiniana v.46 n.3 2009
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| Direitos: |
info:eu-repo/semantics/openAccess
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