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Filogenia Y Biogeografía De Los Peces Teleósteos (Actinopterygii, Teleostei) De La Formación Cañadón Calcáreo (Jurásico; Provincia Del Chubut, Argentina)

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Filogenia Y Biogeografía De Los Peces Teleósteos (Actinopterygii, Teleostei) De La Formación Cañadón Calcáreo (Jurásico; Provincia Del Chubut, Argentina) Tesis Doctoral Filogenia y biogeografía de los peces teleósteos (Actinopterygii, Teleostei) de la Formación Cañadón Calcáreo (Jurásico; Provincia del Chubut, Argentina) Sferco, Marta Emilia 2013-03-21 Este documento forma parte de la colección de tesis doctorales y de maestría de la Biblioteca Central Dr. Luis Federico Leloir, disponible en digital.bl.fcen.uba.ar. Su utilización debe ser acompañada por la cita bibliográfica con reconocimiento de la fuente. This document is part of the doctoral theses collection of the Central Library Dr. Luis Federico Leloir, available in digital.bl.fcen.uba.ar. It should be used accompanied by the corresponding citation acknowledging the source. Cita tipo APA: Sferco, Marta Emilia. (2013-03-21). Filogenia y biogeografía de los peces teleósteos (Actinopterygii, Teleostei) de la Formación Cañadón Calcáreo (Jurásico; Provincia del Chubut, Argentina). Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Cita tipo Chicago: Sferco, Marta Emilia. "Filogenia y biogeografía de los peces teleósteos (Actinopterygii, Teleostei) de la Formación Cañadón Calcáreo (Jurásico; Provincia del Chubut, Argentina)". Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. 2013-03-21. Dirección: Biblioteca Central Dr. Luis F. Leloir, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Contacto: [email protected] Intendente Güiraldes 2160 - C1428EGA - Tel. (++54 +11) 4789-9293 UNIVERSIDAD DE BUENOS AIRES Facultad de Ciencias Exactas y Naturales Filogenia y Biogeografía de los peces teleósteos (Actinopterygii, Teleostei) de la Formación Cañadón Calcáreo (Jurásico; Provincia del Chubut, Argentina) Tesis presentada para optar al título de Doctor de la Universidad de Buenos Aires en el área CIENCIAS BIOLÓGICAS Marta Emilia Sferco Director de tesis: Ana María Báez Director Asistente: Adriana López-Arbarello Consejero de Estudios: Esteban Hasson Lugar de trabajo: Laboratorio de Paleontología Evolutiva de Vertebrados. Departamento de Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, UBA. Buenos Aires, 2013 Índice Resumen ...................................................................................................................................................... i Abstract ....................................................................................................................................................... iii Agradecimientos ........................................................................................................................................ v CAPÍTULO I: INTRODUCCIÓN, ANTECEDENTES Y OBJETIVOS ............................................ 1 INTRODUCCIÓN ..................................................................................................................................... 1 El registro mundial de teleósteos en el Jurásico Superior ....................................................... 2 Jurásico Superior marino ........................................................................................... 2 Jurásico Superior continental ................................................................................... 3 Estado del conocimiento de los teleósteos jurásicos ................................................................ 3 Registro y estudio de los teleósteos jurásicos en Argentina ............................... 4 LOS TELEÓSTEOS DE LA FORMACIÓN CAÑADÓN CALCÁREO ANTECEDENTES ...................................................................................................................................... 5 OBJETIVOS ................................................................................................................................................. 9 CAPITULO II: MARCO GEOLÓGICO .............................................................................................. 11 CUENCA DE CAÑADÓN ASFALTO .................................................................................................. 14 Evolución tectónica y relleno de la Cuenca de Cañadón Asfalto ......................................... 14 Reseña estratigráfica de las formaciones Cañadón Asfalto y Cañadón Calcáreo ........... .19 Formación Cañadón Asfalto ............................................................................................. 19 Formación Cañadón Calcáreo ........................................................................................... 20 Contenido paleontológico .............................................................................................. 22 Ambiente depositacional ............................................................................................... 25 Edad ......... ..…. ............................................................................................................. 26 CAPÍTULO III: LOS TELEÓSTEOS DE LA FORMACIÓN CAÑADÓN CALCÁREO ............ 29 MATERIALES EXAMINADOS .............................................................................................................. 29 Abreviaturas institucionales ....................................................................................................... 30 METODOLOGÍA DE ESTUDIO ............................................................................................................. 30 Terminología Anatómica ............................................................................................................. 31 Abreviaturas Anatómicas............................................................................................................. 34 ¿CUÁNTAS ESPECIES DE TELEÓSTEOS HAY EN LA FORMACIÓN CAÑADÓN CALCÁREO? .................................................................................................................... .36 Resultados y discusión ................................................................................................................. 41 SISTEMÁTICA PALEONTOLÓGICA ................................................................................................... 43 Diagnosis de †Luisiella feruglioi nov.comb ............................................................................. 44 Descripción de †Luisiella feruglioi nov.comb .......................................................................... 45 Cráneo ................................................................................................................................. .45 Techo del cráneo ............................................................................................................ 48 Neurocráneo y osificaciones dérmicas asociadas (Braincase) ....................................... 52 Serie Orbital ................................................................................................................. 56 Huesos hiopalatinos ...................................................................................................... 60 Arco hioideo y rayos branquiostegos ............................................................................ 63 Serie Opercular ............................................................................................................. 67 Mandíbulas superior e inferior ..................................................................................... 71 Sistema sensorial cefálico .............................................................................................. 75 Cintura pectoral ................................................................................................................. 80 Columna vertebral ............................................................................................................ 83 Aletas pares y cintura pélvica ......................................................................................... 91 Aletas impares………… ................................................................................................... 95 Aleta Caudal…. .................................................................................................................. 100 Arcos y espinas neurales ............................................................................................ .100 Arcos y espinas hemales ............................................................................................. 102 Centros vertebrales preurales caudales……………………………………………….103 Centros urales ............................................................................................................. 103 Hipurales . .................................................................................................................. 104 Uroneurales ................................................................................................................ 106 Epurales ... .................................................................................................................. 107 Elementos dérmicos de la aleta ................................................................................... 108 Escudos dorsal y ventral ...................................................................................... 108 Rayos dorsales o epaxiales, fulcros marginales y rayos ventrales o hipaxiales ................................................................................................................. 109 Rayos principales ................................................................................................ 111 ‘Urodermales‘ ....................................................................................................... 112 Escamas ..............................................................................................................................
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