Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia
ilustraciones, diagramas, fotografías
- Autores:
-
Palma Castro, Héctor Daniel
- Tipo de recurso:
- Fecha de publicación:
- 2024
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/85645
- Palabra clave:
- 560 - Paleontología::561 - Paleobotánica
Fósiles vegetales
Vegetal fossils
Botany
Plant biology
Botánica
Paleobotánica
Formación La Paja
Cretácico Inferior
Colombia
Paleobotany
La Paja Formation
Lower Cretaceous
Colombia
- Rights
- openAccess
- License
- Atribución-NoComercial-SinDerivadas 4.0 Internacional
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| dc.title.spa.fl_str_mv |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia |
| dc.title.translated.eng.fl_str_mv |
Palaeodiversity of the fossil flora from the La Paja Formation, Lower Cretaceous of Colombia |
| title |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia |
| spellingShingle |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia 560 - Paleontología::561 - Paleobotánica Fósiles vegetales Vegetal fossils Botany Plant biology Botánica Paleobotánica Formación La Paja Cretácico Inferior Colombia Paleobotany La Paja Formation Lower Cretaceous Colombia |
| title_short |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia |
| title_full |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia |
| title_fullStr |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia |
| title_full_unstemmed |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia |
| title_sort |
Paleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de Colombia |
| dc.creator.fl_str_mv |
Palma Castro, Héctor Daniel |
| dc.contributor.advisor.none.fl_str_mv |
Herrera, Fabiany Lowy, Petter |
| dc.contributor.author.none.fl_str_mv |
Palma Castro, Héctor Daniel |
| dc.contributor.researchgroup.spa.fl_str_mv |
Grupo de Investigación en Paleobiología e Historia Natural (GIPHiN) |
| dc.contributor.orcid.spa.fl_str_mv |
Palma-Castro Héctor D. [0000000161265545] |
| dc.contributor.cvlac.spa.fl_str_mv |
PALMA-CASTRO, HÉCTOR DANIEL [0001705304] |
| dc.contributor.researchgate.spa.fl_str_mv |
Palma-Castro Héctor Daniel [Hector-Palma-Castro] |
| dc.contributor.googlescholar.spa.fl_str_mv |
Palma-Castro Hector Daniel [zIvZwGkAAAAJ&hl] |
| dc.subject.ddc.spa.fl_str_mv |
560 - Paleontología::561 - Paleobotánica |
| topic |
560 - Paleontología::561 - Paleobotánica Fósiles vegetales Vegetal fossils Botany Plant biology Botánica Paleobotánica Formación La Paja Cretácico Inferior Colombia Paleobotany La Paja Formation Lower Cretaceous Colombia |
| dc.subject.agrovoc.spa.fl_str_mv |
Fósiles vegetales |
| dc.subject.agrovoc.eng.fl_str_mv |
Vegetal fossils Botany Plant biology |
| dc.subject.decs.spa.fl_str_mv |
Botánica |
| dc.subject.proposal.spa.fl_str_mv |
Paleobotánica Formación La Paja Cretácico Inferior Colombia |
| dc.subject.proposal.eng.fl_str_mv |
Paleobotany La Paja Formation Lower Cretaceous Colombia |
| description |
ilustraciones, diagramas, fotografías |
| publishDate |
2024 |
| dc.date.accessioned.none.fl_str_mv |
2024-02-07T14:33:57Z |
| dc.date.available.none.fl_str_mv |
2024-02-07T14:33:57Z |
| dc.date.issued.none.fl_str_mv |
2024-02 |
| dc.type.spa.fl_str_mv |
Trabajo de grado - Maestría |
| dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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info:eu-repo/semantics/acceptedVersion |
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Text |
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http://purl.org/redcol/resource_type/TM |
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https://repositorio.unal.edu.co/handle/unal/85645 |
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Universidad Nacional de Colombia |
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Repositorio Institucional Universidad Nacional de Colombia |
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https://repositorio.unal.edu.co/ |
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https://repositorio.unal.edu.co/handle/unal/85645 https://repositorio.unal.edu.co/ |
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Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia |
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spa |
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spa |
| dc.relation.references.spa.fl_str_mv |
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Johns Hopkins Univ. Studies Geol., 14, 151–169. Biswas, C., & Johri, B. M. (1997). The Gymnosperms. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-13164-0 Blakey, R. C. (2008). Gondwana paleogeography from assembly to breakup—A 500 my odyssey. En C. R. Fielding, T. D. Frank, & J. L. Isbell (Eds.), Geological Society of America Special Papers (Vol. 441, pp. 1–28). Geological Society of America. Blanco‐Moreno, C., Decombeix, A., & Prestianni, C. (2021). New insights into the affinities, autoecology, and habit of the Mesozoic fern Weichselia reticulata based on the revision of stems from Bernissart (Mons Basin, Belgium). Papers in Palaeontology, 7(3), 1351–1372. https://doi.org/10.1002/spp2.1344 Blanco-Moreno, C., Gomez, B., & Buscalioni, Á. (2018). Palaeobiogeographic and metric analysis of the Mesozoic fern Weichselia. Geobios, 51(6), 571–578. https://doi.org/10.1016/j.geobios.2018.05.001 Blanco-Moreno, C., Gomez, B., Marugán-Lobón, J., Daviero-Gomez, V., & Buscalioni, Á. D. (2019). A novel approach for the metric analysis of fern fronds: Growth and architecture of the Mesozoic fern Weichselia reticulata in the light of modern ferns. PLOS ONE, 14(6), e0219192. https://doi.org/10.1371/journal.pone.0219192 Boinet, T. (1985). La Frontière méridionale de la plaque Caraibe aux confins colombo-vénézuéliens (Norte de Santander, Colombie): données géologiques. Université Paris VI. Bürgl, H. (1954). El Cretáceo inferior en los alrededores de Villa de Leiva (Boyacá). Boletín Geológico, 2(1), 5–22. https://doi.org/10.32685/0120-1425/bolgeol2.1.1954.310 Bürgl, H. (1957). Bioestratigrafía de la sabana de Bogotá y sus alrededores. Boletín Geológico, 5(2), 113–185. https://doi.org/10.32685/0120-1425/bolgeol5.2.1957.290 Bürgl, H. (1958). El Jurásico e Infracretaceo del rio Batá, Boyacá. Boletín Geológico, 6(1–3), 164–223. https://doi.org/10.32685/0120-1425/bolgeol6.1-3.1958.328 Bürgl, H. (1964). El “Jura-Triásico” de Colombia. Boletín Geológico, 12(1–3), 5–31. https://doi.org/10.32685/0120-1425/bolgeol12.1-3.1964.266 Cantrill, D. J. (1992). Araucarian Foliage from the Lower Cretaceous of Southern Victoria, Australia. International Journal of Plant Sciences, 153(4), 622–645. https://doi.org/10.1086/297084 Cantrill, D. J., & Falcon-Lang, H. J. (2001). Cretaceous (Late Albian) coniferales of Alexander Island, Antarctica. 2. Leaves, reproductive structures and roots. Review of Palaeobotany and Palynology, 115(3–4), 119–145. https://doi.org/10.1016/S0034-6667(01)00053-7 Cantrill, D. J., & Nagalingum, N. S. (2005). Ferns from the Cretaceous of Alexander Island, Antarctica: Implications for Cretaceous phytogeography of the Southern Hemisphere. Review of Palaeobotany and Palynology, 137(3–4), 83–103. https://doi.org/10.1016/j.revpalbo.2005.08.004 Carrizo, M. A., & Del Fueyo, G. M. (2015). The Early Cretaceous megaflora of the Springhill Formation, Patagonia. Paleofloristic and Paleonvironmental inferences. Cretaceous Research, 56, 93–109. https://doi.org/10.1016/j.cretres.2015.03.006 Carruthers, W. (1870). XVIII. On Fossil Cycadean Stems from the Secondary Rocks of Britain. Transactions of the Linnean Society of London, 26(4), 675–708. https://doi.org/10.1111/j.1096-3642.1870.tb00201.x Césari, S. N., Parica, C. A., Remesal, M. B., & Salani, F. M. (1998). First evidence of Pentoxylales in Antarctica. Cretaceous Research, 19(6), 733–743. https://doi.org/10.1006/cres.1998.0128 Coiro, M., Martínez, L. C. A., Upchurch, G. R., & Doyle, J. A. (2020). Evidence for an extinct lineage of angiosperms from the Early Cretaceous of Patagonia and implications for the early radiation of flowering plants. New Phytologist, 228(1), 344–360. https://doi.org/10.1111/nph.16657 Coiro, M., Roberts, E. A., Hofmann, C.-Ch., & Seyfullah, L. J. (2022). Cutting the long branches: Consilience as a path to unearth the evolutionary history of Gnetales. Frontiers in Ecology and Evolution, 10. https://doi.org/10.3389/fevo.2022.1082639 Crane, P. R., & Lidgard, S. (1989). Angiosperm Diversification and Paleolatitudinal Gradients in Cretaceous Floristic Diversity. Science, 246(4930), 675–678. https://doi.org/10.1126/SCIENCE.246.4930.675 Del Fueyo, G. M. (2007). Biodiversidad de las paleofloras de Patagonia austral durante el Cretácico Inferior. Publicación Electrónica de la Asociación Paleontológica Argentina, 11(1). Del Fueyo, G. M., Archangelsky, S., Llorens, M., & Cúneo, R. (2008). Coniferous Ovulate Cones from the Lower Cretaceous of Santa Cruz Province, Argentina. International Journal of Plant Sciences, 169(6), 799–813. https://doi.org/10.1086/533608 Edwards, W. N. (1933). On the Cretaceous fern Paradoxopteris and its connexion with Weichselia. Annals of Botany, 47(186), 317–341. El Atfy, H., Jasper, A., & Uhl, D. (2020). A new record of Paradoxopteris stromeri Hirmer 1927 (Monilophyta, incertae sedis) from the Cenomanian of Sinai, Egypt. Review of Palaeobotany and Palynology, 273, 104148. https://doi.org/10.1016/j.revpalbo.2019.104148 Escapa, Cúneo, Rothwell, & Stockey. (2013). Pararaucaria delfueyoi sp. nov. from the Late Jurassic Cañadón Calcáreo Formation, Chubut, Argentina: Insights into the Evolution of the Cheirolepidiaceae. International Journal of Plant Sciences, 174(3), 458–470. https://doi.org/10.1086/668612 Escapa, & Leslie. (2017). A new cheirolepidiaceae (Coniferales) from the early jurassic of patagonia (argentina): Reconciling the records of impression and permineralized fossils. American Journal of Botany, 104(2), 322–334. https://doi.org/10.3732/ajb.1600321 Escapa, Rothwell, Stockey, & Cúneo. (2012). Seed cone anatomy of Cheirolepidiaceae (Coniferales): Reinterpreting Pararaucaria patagonica Wieland. 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The acetate peel technique. En T. P. Jones & N. P. Rowe (Eds.), Fossil plants and spores: Modern techniques (pp. 67–70). Geological Society of London. Gaona-Narváez, T. (2015). El Cretácico sedimentario al este de la Falla de San Jerónimo: Compilación para el Mapa Geológico de Colombia. En J. Gómez-Tapia & M. F. Almanza-Meléndez (Eds.), Compilando la geología de Colombia: Una visión a 2015. Servicio Geológico Colombiano, Publicaciones Geológicas Especiales 33 (Vol. 33, pp. 421–429). Gaona-Narvaez, T., Maurrasse, F. J.-M., & Etayo-Serna, F. (2013). Geochemistry, palaeoenvironments and timing of Aptian organic-rich beds of the Paja Formation (Curit\’\i, Eastern Cordillera, Colombia). Geological Society, London, Special Publications, 382(1), 31–48. Gastaldo, R. A., Pfefferkorn, H. W., & DiMichele, W. A. (1995). Taphonomic and sedimentologic characterization of roof-shale floras. En Historical Perspective of Early Twentieth Century Carboniferous Paleobotany in North America. Geological Society of America. https://doi.org/10.1130/MEM185-p341 González, H., Lemoigne, I., & Martínez, J. O. (1977). Flora de la formación Valle Alto-Jurásico-en la cordillera central de Colombia. Boletin de Ciencias de la Tierra, 2, 107–122. Guerrero, J. (2002). A proposal on the classification of systems tracts: application to the allostratigraphy and sequence stratigraphy of the Cretaceous Colombian Basin. Part 2: Barremian to Maastrichtian. Geología Colombiana, 27, 27–49. Gupta, S. Sen. (1986). On Taeniopteris crassinervis (Feistmantel) Walkom from Rajmahal hill, Bihar, India. Review of Palaeobotany and Palynology, 49(3–4), 195–202. https://doi.org/10.1016/0034-6667(86)90027-8 Harris. (1962). The Occurrence of the Fructification Carnoconites in New Zealand. Transactions of the Royal Society of New Zealand : Geology, 1(4), 17–27. Harris, T. M. (1944). A revision of Williamsoniella. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences, 231(583), 313–328. https://doi.org/10.1098/rstb.1944.0001 Harris, T. M. (1964). The Yorkshire Jurassic Flora. II. Caytoniales, Cycadales & Pteridosperms. British Museum (Natural History). Harris, T. M. (1979). The Yorkshire Jurassic flora V coniferales. Trustees of the British Museum. Heer, O. (1878). Beitrage zur fossilen Flora Sibiriens und des Amurlandes. Memoires de I’Academie Imperiale des Sciences de St.-Petersbourg, 1–58. Hermsen, E. J. (2021). Review of the Fossil Record of Passiflora, with a Description of New Seeds from the Pliocene Gray Fossil Site, Tennessee, USA. International Journal of Plant Sciences, 182(6), 533–550. https://doi.org/10.1086/714282 Hernández-Orúe, A. (2016). El nombre de las hojas de las Coníferas del Mesozoico. Asociación Paleontológica Alcarreña NAUTILUS, 8, 23–28. Herrera, F., Hotton, C. L., Smith, S. Y., Lopera, P. A., Neander, A. I., Wittry, J., Zheng, Y., Heck, P. R., Crane, P. R., & D’Antonio, M. P. (2023). Investigating Mazon Creek fossil plants using computed tomography and microphotography. Frontiers in Earth Science, 11. https://doi.org/10.3389/feart.2023.1200976 Herrera, F., Leslie, A. B., Shi, G., Knopf, P., Ichinnorov, N., Takahashi, M., Crane, P. R., & Herendeen, P. S. (2016). New fossil Pinaceae from the Early Cretaceous of Mongolia. Botany, 94(9), 885–915. https://doi.org/10.1139/cjb-2016-0042 Herrera, F., Shi, G., Knopf, P., Leslie, A. B., Ichinnorov, N., Takahashi, M., Crane, P. R., & Herendeen, P. S. (2017). Cupressaceae Conifers from the Early Cretaceous of Mongolia. International Journal of Plant Sciences, 178(1), 19–41. https://doi.org/10.1086/689577 Herrera, F., Shi, G., Mays, C., Ichinnorov, N., Takahashi, M., Bevitt, J. J., Herendeen, P. S., & Crane, P. R. (2020). Reconstructing Krassilovia mongolica supports recognition of a new and unusual group of Mesozoic conifers. PLOS ONE, 15(1), e0226779. https://doi.org/10.1371/journal.pone.0226779 Herrera, F., Testo, W. L., Field, A. R., Clark, E. G., Herendeen, P. S., Crane, P. R., & Shi, G. (2022). A permineralized Early Cretaceous lycopsid from China and the evolution of crown clubmosses. New Phytologist, 233(5), 2310–2322. https://doi.org/10.1111/nph.17874 Hirmer, M. (1927). Handbuch der Paläobotanik. Band I. Thallophyta-Bryophyta-Pteridophyta. Zeitschrift für Induktive Abstammungs-und Vererbungslehre, 49, 339–344. Howe, J., & Cantrill, D. J. (2001). Palaeoecology and taxonomy of Pentoxylales from the Albian of Antarctica. Cretaceous Research, 22(6), 779–793. https://doi.org/10.1006/cres.2001.0286 Hubach, E. (1945). La Formación’Cáqueza’, región de Cáqueza (oriente de Cundinamarca). Comp. Estud. Geol. Ofic. Colombia, VI, 23–26. Huber, B. T., & O’Brien, C. L. (2021). Cretaceous Climate. En Encyclopedia of Geology (pp. 497–503). Elsevier. https://doi.org/10.1016/b978-0-12-409548-9.12068-8 Huertas, G. (1967). Sertum florulae fossilis Villae de Leivae. Caldasia, 59–75. Huertas, G. (1970). Sertum florulae fossilis Villae de Leiva II. Caldasia, 595–602. Huertas, G. (1976). Sertum florulae fossilis Villae de Leiva. Caldasia, 11(54), 17–23. Huertas, G. (2003). Flora Fósil de Villa de Leyva y sus alrededores. Camargo Editores. Hunter, A. W., & Donovan, S. K. (2005). Field sampling bias, museum collections and completeness of the fossil record. Lethaia, 38(4), 305–314. https://doi.org/10.1080/00241160500289559 Ickert-Bond, S. M., & Renner, S. S. (2016). The Gnetales: Recent insights on their morphology, reproductive biology, chromosome numbers, biogeography, and divergence times. Journal of Systematics and Evolution, 54(1), 1–16. https://doi.org/10.1111/jse.12190 IUGS. (2022, septiembre 16). Marine Reptile Lagerstätte from the Lower Cretaceous of the Ricaurte Alto - IUGS. International Commission on Geoheritage. https://iugs-geoheritage.org/geoheritage_sites/marine-reptile-lagerstatte-from-the-lower-cretaceous-of-the-ricaurte-alto/ Jaramillo, C. (2019). 140 Million Years of Tropical Biome Evolution. En The Geology of Colombia: Vol. Volume 2 Mesozoic. https://doi.org/10.32685/pub.esp.36.2019.06 Jaramillo, C. (2023). The evolution of extant South American tropical biomes. New Phytologist, 239(2), 477–493. https://doi.org/10.1111/nph.18931 Jaramillo, C., & Cárdenas, A. (2013). Global Warming and Neotropical Rainforests: A Historical Perspective. Annual Review of Earth and Planetary Sciences, 41(1), 741–766. https://doi.org/10.1146/annurev-earth-042711-105403 Jin, P., Zhang, M., Du, B., Li, A., & Sun, B. (2023). A new species of Pararaucaria from the Lower Cretaceous of Shandong province (Eastern China): Insights into the evolution of the Cheirolepidiaceae cone. Cretaceous Research, 146, 105475. https://doi.org/10.1016/j.cretres.2023.105475 Julivert, M. (1968). Lexique Stratigraphique International Amérique Latine: Colombie, v. 5, fascicule 4. Paris, Centre National de la Recherche Scientifique. 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Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Herrera, Fabiany05005810161acdb1897d5f123260c850Lowy, Petter3cf76fc5b6342e804f97edcf182814e0Palma Castro, Héctor Daniel1ad7c8cca4c05964b4231164c1cb0bad600Grupo de Investigación en Paleobiología e Historia Natural (GIPHiN)Palma-Castro Héctor D. [0000000161265545]PALMA-CASTRO, HÉCTOR DANIEL [0001705304]Palma-Castro Héctor Daniel [Hector-Palma-Castro]Palma-Castro Hector Daniel [zIvZwGkAAAAJ&hl]2024-02-07T14:33:57Z2024-02-07T14:33:57Z2024-02https://repositorio.unal.edu.co/handle/unal/85645Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, diagramas, fotografíasEsta investigación busca aportar al conocimiento de la flora de la Formación La Paja del Barremiano – Aptiano (Cretácico Inferior) de Colombia, mediante la revisión y análisis de fósiles de plantas presentes en colecciones científicas y en colectas de campo. Siendo el objetivo principal presentar una visión actualizada de la composición florística de la Formación La Paja. Se revisaron colecciones históricas, como la del Padre Gustavo Huertas de la Universidad Nacional de Colombia en Bogotá, y colecciones ubicadas en la región de Villa de Leyva y otras partes del país. Aproximadamente trescientos fósiles fueron analizados, estos se clasificaron en 45 morfotipos, dividiéndolos en 5 morfotipos de hojas, 9 de ramas foliares, 1 fronda de helecho, 25 morfotipos de órganos reproductivos y 5 de maderas fósiles. Respecto a los grupos de plantas que estos morfotipos representan, se encontró una dominancia de coníferas, y en menor número Bennettitales, Cycadales, Pteridophyta, y material indeterminado. Se reporta la posible presencia de Pentoxylales y Gnetales para el Cretácico de Colombia y el norte de Sudamérica. Además de técnicas tradicionales de observación de fósiles, se utilizaron nuevas tecnologías como la microtomografía de rayos-x en un espécimen, demostrando el potencial de este tipo de análisis en fósiles de la Formación La Paja. Aunque existe incertidumbre sobre la afinidad y relaciones filogenéticas de varios de los especímenes analizados en esta investigación, se considera que la combinación de técnicas modernas y clásicas permitirá evaluar esta flora y ver su relación con floras de edad similar en el mundo durante el Cretácico Temprano. Este trabajo se puede considerar como un punto de partida para nuevas investigaciones relacionadas con la flora del Cretácico Temprano del norte de Sudamérica, y principalmente con la flora de la Formación La Paja. (Texto tomado de la fuente)This research aims to contribute to the understanding of the La Paja Formation flora within the Barremian – Aptian stages of the Lower Cretaceous in Colombia. This study involves a comprehensive review and analysis of fossil plants from historical collections and recently collected specimens. The primary objective is to present an updated perspective on the floristic composition of the La Paja Formation. Historical collections, such as the Father Gustavo Huertas’ housed at the Universidad Nacional de Colombia in Bogotá, as well as collections from the Villa de Leyva region and other parts of Colombia, were examined to gather data. Approximately three hundred fossils were analysed, and classified into 45 morphotypes, which were further divided into 5 leaf morphotypes, 9 leafy branch morphotypes, 1 fern frond, 25 reproductive organ morphotypes, and 5 fossil stem morphotypes. These findings reveal a dominance of conifers, with a lesser number of Bennettitales, Cycadales, Pteridophyte, and indeterminate material. Moreover, the potential presence of Pentoxylales and Gnetales during the Lower Cretaceous in Colombia. In addition to traditional fossil observation techniques, innovative techniques, such as X-ray microtomography, were employed in a specimen, supporting its potential for analysis within the La Paja Formation fossils. Although there is uncertainty regarding the affinity and phylogenetic relationships of some of the analyzed fossils in this research, the combination of modern and classical techniques is expected to allow a comprehensive evaluation of this flora and its relation to similar-aged floras worldwide during the Early Cretaceous. This study can be regarded as a starting point for future investigations concerning the Early Cretaceous flora of northern South America, particularly focusing on the flora of the La Paja Formation.MaestríaMagíster en Ciencias - BiologíaPaleobotánica168 páginasapplication/pdfspaUniversidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - BiologíaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá560 - Paleontología::561 - PaleobotánicaFósiles vegetalesVegetal fossilsBotanyPlant biologyBotánicaPaleobotánicaFormación La PajaCretácico InferiorColombiaPaleobotanyLa Paja FormationLower CretaceousColombiaPaleodiversidad de la flora fósil de la Formación La Paja, Cretácico Inferior de ColombiaPalaeodiversity of the fossil flora from the La Paja Formation, Lower Cretaceous of ColombiaTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMColombiaAndruchow‐Colombo, A., Escapa, I. 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