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Crustacea: Peracarida) Litorales Del Pacífico Sur De México, Con Claves De Identificación Para Las Especies Del Pacífico Oriental Tropical

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Crustacea: Peracarida) Litorales Del Pacífico Sur De México, Con Claves De Identificación Para Las Especies Del Pacífico Oriental Tropical CUMÁCEOS (CRUSTACEA: PERACARIDA) LITORALES DEL PACÍFICO SUR DE MÉXICO, CON CLAVES DE IDENTIFICACIÓN PARA LAS ESPECIES DEL PACÍFICO ORIENTAL TROPICAL TESIS QUE PRESENTA JANI JARQUÍN GONZÁLEZ PARA OBTENER EL GRADO DE MAESTRA EN CIENCIAS Xalapa, Veracruz, México 2012 2 AGRADECIMIENTOS Al Instituto de Ecología A.C. y al personal que labora ahí por brindarme su apoyo incondicional durante la realización de la maestría. Al Consejo Nacional de Ciencia y Tecnología (CONACYT) por la beca brindada durante los estudios de maestría. A mi jurado de tesis la Dra. Socorro García Madrigal, Dr. Rolando Bastida Zavala, Dr. Michel E. Hendrickx y al Dr. Alejandro Espinosa de los Monteros, por su apoyo y valiosos consejos. Al Dr. Guillermo Ángeles y al técnico Fernando Ortega Escalona por brindarme un espacio dentro de su laboratorio y permitirme hacer uso del equipo para realizar mis fotografías y dibujos. Al Dr. Miguel Ángel Morón por apoyarme durante la fase de titulación. Al Laboratorio de Sistemática de Invertebrados Marinos (LABSIM) de la Universidad del Mar, campus Puerto Ángel, así como a cada uno de sus colaboradores por brindarme material biológico y equipo necesario para realizar esta investigación. A mi familia de Xalapa Ale, Arturo, Vian, Lau, Yos, Joy, Jimmi e Isa que estuvieron presentes en mis alegrías, mis tristezas y porque me dieron su 3 apoyo incondicional cuando más lo necesitaba, gracias infinitas, los quiero muchísimo. Y a ti Cris, donde quiera que estés, gracias por hacerme creer en el amor. Por todas las sonrisas y los bellos recuerdos. DEDICATORIA A mi familia, por su infinito amor y comprensión. Que no importa donde éste o que suceda, siempre están a mi lado apoyándome, aconsejándome y haciéndome sonreír. Sin ustedes no sería lo que soy. Los amo. A Socorro García Madrigal, porque además de ser mi mentora, ha sido mi amiga y un pilar a lo largo de estos años dedicados al estudio de la taxonomía de peracáridos. 4 DECLARACIÓN Excepto cuando es explícitamente indicado en el texto, el trabajo de investigación contenido en esta tesis fue efectuado por la Biól. Mar. Jani Jarquín González (MM10015) como estudiante de la carrera de Maestro en Ciencias entre Agosto de 2010 y Agosto del 2012, bajo la supervisión de la Dra. Socorro García Madrigal. Las investigaciones reportadas en esta tesis no han sido utilizadas anteriormente para obtener otros grados académicos, ni serán utilizadas para tales fines en el futuro. Candidato: Biól. Mar. Jani Jarquín González Director de Dra. Socorro García Madrigal tesis: 5 INDICE RESUMEN ....................................................................................................................................... 9 INTRODUCCIÓN GENERAL ....................................................................................................... 10 OBJETIVO ...................................................................................................................................... 15 MATERIAL Y MÉTODOS ............................................................................................................ 15 Área de estudio ......................................................................................................................... 15 Campo ....................................................................................................................................... 16 Laboratorio ............................................................................................................................... 17 Tratamiento taxonómico ........................................................................................................... 18 LITERATURA CITADA ................................................................................................................ 19 LISTA DE FIGURAS Figura 1. Morfología general de un cumáceo en vista dorsal y lateral ..................................... 12 Figura 2. Morfología general de algunos apéndices en cumáceos ........................................... 13 Figura 3. Mapa de las localidades muestreadas a lo largo del Pacífico sur de México. .................... 17 CAPÍTULO 1. Littoral cumaceans (Crustacea: Peracarida) from the Mexican South Pacific, with keys to the Tropical Eastern Pacific species. ABSTRACT .................................................................................................................................... 24 RESUMEN ...................................................................................................................................... 24 INTRODUCTION .......................................................................................................................... 25 MATERIAL AND METHODS ..................................................................................................... 25 RESULTS ....................................................................................................................................... 26 FAMILY BODOTRIIDAE SCOTT, 1901 ...................................................................................... 26 Genus Cyclaspis G.O. Sars, 1865 ............................................................................................. 26 Cyclaspis sp. nov. 1 ................................................................................................................. 26 Cyclaspis sp. nov. 2 ................................................................................................................. 29 FAMILY LEUCONIDAE G. O. SARS, 1878 ............................................................................... 31 Genus Coricuma Watling & Breedy, 1988 ............................................................................. 31 Coricuma sp. nov. .................................................................................................................... 31 FAMILY NANNASTACIDAE BATE, 1866 ................................................................................ 34 Genus Cumella G.O. Sars, 1865 .............................................................................................. 34 Cumella (Cumewingia) sp. nov. .............................................................................................. 34 Genus Elassocumella Watling, 1991 ....................................................................................... 37 6 Elassocumella sp. nov. ............................................................................................................. 37 Genus Schizotrema Calman, 1911 ............................................................................................ 40 Schizotrema sp. nov. ................................................................................................................ 40 DISCUSSION AND CONCLUSION ............................................................................................ 42 KEY TO FAMILIES FROM TEP .................................................................................................. 43 KEY TO GENERA AND SPECIES FROM TEP ........................................................... ..43, 45, 46 ACKNOWLEDGEMENTS ............................................................................................................ 48 REFERENCES ............................................................................................................................... 48 TABLES Table I. Actual distribution for cumaceans from TEP ............................................................. 52 Table II. Comparison between characters of Cyclaspis species recorded from EP.................. 54 Table III. Comparison between characters of Cumella (Cumewingia) species recorded from coast of the American continent. ..................................................................................... 55 FIGURES Figure 1. Distribution of localities belonging to the Mexican South Pacific, where cumaceans were collected. ....................................................................................................... 67 Figure 2. Cyclaspis sp. nov. 1, adult male ................................................................................ 68 Figure 3. Cyclaspis sp. nov. 1, adult male (continued)............................................................. 69 Figure 4. Cyclaspis sp. nov. 1, ovigerous female ..................................................................... 70 Figure 5. Cyclaspis sp. nov. 1, ovigerous female (continued) .................................................. 71 Figure 6. Cyclaspis sp. nov. 2, adult male ................................................................................ 72 Figure 7. Cyclaspis sp. nov. 2, adult male (continued)............................................................. 73 Figure 8. Cyclaspis sp. nov. 2, ovigerous female ..................................................................... 74 Figure 9. Cyclaspis sp. nov. 2, ovigerous female (continued) .................................................. 75 Figure 10. Coricuma sp. nov., adult male ................................................................................ 76 Figure 11. Coricuma sp. nov., adult male (continued) ............................................................. 77 Figure 12. Coricuma sp. nov., ovigerous female ...................................................................... 78 Figure 13. Coricuma sp. nov., ovigerous female (continued) .................................................. 79 Figure 14. Cumella (Cumewingia) sp. nov., adult male ..........................................................
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