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Guineana18 03/11/12 19:59 Página 1 1_4_Intro_Sis_Guineana18 03/11/12 19:59 Página 1 GuineanA 18 La familia Ceramiaceae sensu lato en la costa de Bizkaia Antonio Secilla Leioa, 2012 1_4_Intro_Sis_Guineana18 03/11/12 19:59 Página 2 1_4_Intro_Sis_Guineana18 03/11/12 19:59 Página 3 Resumen RESUMEN Secilla, A. 2012. La familia Ceramiaceae sensu lato en la costa de Bizkaia. Guineana 18: 1-369. Departamento de Biología Vegetal y Ecología. Facultad de Ciencia y Tecnología. Universidad del País Vasco/Euskal Herriko Unibersitatea. Apdo. 644 Bilbao 48080, España. La familia Ceramiaceae (Rhodophyta), es uno de los grupos de algas marinas rojas más ampliamente representado a lo largo de las costas templadas y subtropicales, y este trabajo recoge un detallado estudio de esta familia en la costa de Bizkaia, N de España. En el grupo de estudio se han distinguido 67 especies y 1 categoría subespecífica, incluyendo representantes de 16 tribus, y un total de 26 géneros. Para todas las especies se ha elaborado una completa descripción, junto con sus sinonimias, información ecológica, corología, citas previas para Bizkaia, distribución mundial, así como una clave para su identificación. Además, se aporta una iconografía original de 432 dibujos en 159 láminas, donde se presentan detalles de los caracteres vegetativos y reproductores, de cada una de las especies. Una especie, Antithamnionella multiglandulosa, fue descrita como nueva para la ciencia durante la realización de este estudio en Bizkaia. Además, 11 especies fueron reconocidas por primera vez en Bizkaia, 2 para el Cantábrico (Ceramium deslongchampsii, Spongoclonium caribaeum), 3 para la Península Ibérica (Antithamnion hubbsii, Ceramium polyceras, Griffithsia devoniensis), 1 para el Atlántico europeo (Gayliella mazoyerae) y 1 para Europa (Callithamniella flexilis), durante la realización de este estudio. De estas especies, son de máximo interés, 4 especies de reciente introducción y establecimiento en nuestras costas: 3 de origen indo-pacífico (Antithamnion amphigeneum, Antithamnion hubbsii y Scageliopsis patens), y 1 del Atlántico Sur (Callithamniella flexilis). Por otra parte, para 4 taxones, Aglaothamnion sp., Antithamnionella sp., Ceramium sp. y Pleonosporium sp., no ha sido posible aclarar su estatus. También se propone recuperar el binomen Ceramium brevizonatum para el material anteriormente citado como Ceramium tenerrimum en esta costa. 3 1_4_Intro_Sis_Guineana18 03/11/12 19:59 Página 4 A. Secilla ABSTRACT Secilla, A. 2012. The family Ceramiaceae sensu lato in the coast of Bizkaia. Guineana 18: 1-369. Departament of Biology and Ecology. Faculty of Science and Technology. University of the Basque Country. PO Box 644 48080 Bilbao, Spain. The family Ceramiaceae (Rhodophyta), is one of the groups of red seaweeds widely represented throughout temperate and subtropical coasts, and this work includes a detailed study of this family on the coast of Biscay, northern Spain. In the study group we have distinguished 67 species and 1 subspecies, representing 16 tribes, and 26 genera. For all species a complete description, together with synonyms, ecology, chorology, previous records for Biscay, global distribution and an identification key are given. Furthermore, it is provided an original iconography of 432 drawings in 159 plates, which presents details of the vegetative and reproductive characters of each species. One species, Antithamnionella multiglandulosa, was described as new to science during this study in Bizkaia. In addition, 11 species have been recorded for the first time in Biscay, 2 for the Cantabrian shore (Ceramium deslongchampsii, Spongoclonium caribaeum), 3 for the Iberian Peninsula (Antithamnion hubbsii, Ceramium polyceras, Griffithsia devoniensis), one for the European Atlantic (Gayliella mazoyerae) and one for Europe (Callithamniella flexilis). Of the studied taxa, 4 are species of recent introduction and establishment in our shores: 3 of Indo-Pacific origin (Antithamnion amphigeneum, Antithamnion hubbsii and Scageliopsis patens), and one of South Atlantic origin (Callithamniella flexilis). Moreover, for 4 taxa (Aglaothamnion sp. Antithamnionella sp. Ceramium sp. and Pleonosporium sp.) it has not been possible to clarify its status. It is also proposed to recognize the taxon Ceramium brevizonatum for material previously cited as Ceramium tenerrimum on this coast. 4 1_4_Intro_Sis_Guineana18 03/11/12 19:59 Página 5 Índice ÍNDICE 1. Introducción y objetivos ...................................................................................9 2. Material y métodos..........................................................................................11 3. Generalidades de la familia Ceramiaceae.......................................................13 3.1. Antecedentes .......................................................................................13 3.2. Características de la familia Ceramiaceae sensu lato.........................16 3.3. Morfología y reproducción de la familia Ceramiaceae ......................17 3.3.1. Caracteres vegetativos ............................................................17 3.3.2. Caracteres reproductivos.........................................................23 4. Sistemática ......................................................................................................28 4.1. Formato ...............................................................................................28 4.2. Clasificación de Ceramiaceae.............................................................29 4.3. Clave de géneros.................................................................................31 5. Resultados y discusión....................................................................................35 Tribu CROUANIEAE Crouania ...........................................................................................35 Crouaunia attenuata ................................................................35 Tribu SPHONDYLOTHAMNIEAE Sphondylothamnion...........................................................................39 Sphondylothamnion multifidum ...............................................40 Tribu ANTITHAMNIEAE Antithamnion.....................................................................................43 Antithamnion amphigeneum ....................................................45 Antithamnion cruciatum ..........................................................49 Antithamnion densum ..............................................................53 Antithamnion hubbsii...............................................................56 Antithamnion villosum .............................................................60 Tribu PTEROTHAMNIEAE Pterothamnion...................................................................................65 Pterothamnion crispum............................................................66 Pterothamnion plumula ...........................................................71 Tribu HETEROTHAMNIEAE Antithamnionella...............................................................................74 Antithamnionella boergesenii ..................................................76 Antithamnionella multiglandulosa...........................................80 Antithamnionella spirographidis .............................................86 Antithamnionella ternifolia......................................................90 Antithamnionella sp. ................................................................94 5 1_4_Intro_Sis_Guineana18 03/11/12 19:59 Página 6 A. Secilla Scageliopsis.......................................................................................99 Scageliopsis patens..................................................................99 Tribu DOHRNIELLEAE Callithamniella................................................................................103 Callithamniella flexilis...........................................................104 Callithamniella tingitana.......................................................108 Tribu SPERMOTHAMNIEAE Ptilothamnion..................................................................................112 Ptilothamnion pluma..............................................................112 Ptilothamnion sphaericum .....................................................116 Spermothamnion .............................................................................118 Spermothamnion repens.........................................................118 Tiffaniella ........................................................................................122 Tiffaniella capitata.................................................................123 Tribu GYMNOTHAMNIEAE Gymnothamnion..............................................................................127 Gymnothamnion elegans........................................................127 Tribu CALLITHAMNIEAE Aglaothamnion................................................................................131 Aglaothamnion cordatum.......................................................133 Aglaothamnion feldmanniae..................................................137 Aglaothamnion gallicum........................................................140 Aglaothamnion hookeri..........................................................144 Aglaothamnion pseudobyssoides ...........................................148 Aglaothamnion tenuissimum..................................................151 Aglaothamnion tripinnatum...................................................155 Aglaothamnion
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