Redescription of<i>Lineus acutifrons</i>Southern, 1913 (Nemertea: Pilidiophora) and comments on its phylogenetic position

Puerta, Patricia; Andrade, Sónia C. S.; Junoy, Juan

doi:10.1080/00222933.2010.504895

Cited by 15 publications

(16 citation statements)

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“…Schwartz (2009, p. 28) suggested, based on molecular analyses, that the presence/absence of a caudal cirrus is “not informative for generic placement as it has been historically used”. This also is seen in Puerta et al. (2010).…”

Section: Discussionsupporting

confidence: 54%

“…Gibson, 1999; Collin et al., 2005; Sundberg et al., 2007; Thiel and Norenburg, 2009) are also important for discovering new lineages that are now often analysed with pre‐existing molecular data sets (e.g. Sundberg et al., 2003; Junoy et al., 2010; Puerta et al., 2010; Strand and Sundberg, 2011), a practice that is becoming common among nemertean workers. Again, the present data set, with the addition of new markers, should serve this purpose well.…”

Section: Discussionmentioning

confidence: 99%

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Disentangling ribbon worm relationships: multi‐locus analysis supports traditional classification of the phylum Nemertea

et al. 2011

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The phylogenetic relationships of selected members of the phylum Nemertea are explored by means of six markers amplified from the genomic DNA of freshly collected specimens (the nuclear 18S rRNA and 28S rRNA genes, histones H3 and H4, and the mitochondrial genes 16S rRNA and cytochrome c oxidase subunit I). These include all previous markers and regions used in earlier phylogenetic analyses of nemerteans, therefore acting as a scaffold to which one could pinpoint any previously published study. Our results, based on analyses of static and dynamic homology concepts under probabilistic and parsimony frameworks, agree in the non‐monophyly of Palaeonemertea and in the monophyly of Heteronemerta and Hoplonemertea. The position of Hubrechtella and the Pilidiophora hypothesis are, however, sensitive to analytical method, as is the monophyly of the non‐hubrechtiid palaeonemerteans. Our results are, however, consistent with the main division of Hoplonemertea into Polystilifera and Monostilifera, the last named being divided into Cratenemertea and Distromatonemertea, as well as into the main division of Heteronemertea into Baseodiscus and the remaining species. The study also continues to highlight the deficient taxonomy at the family and generic level within Nemertea and sheds light on the areas of the tree that require further refinement. © The Willi Hennig Society 2011.

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Section: Discussionsupporting

confidence: 54%

Section: Discussionmentioning

confidence: 99%

Disentangling ribbon worm relationships: multi‐locus analysis supports traditional classification of the phylum Nemertea

et al. 2011

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“…As phylogenetic studies have consistently shown that many nemertean families are paraphyletic or polyphyletic (e.g. Sundberg et al, 2001Thollesson and Norenburg, 2003;Schwartz, 2009;Puerta et al, 2010), this taxonomic category has not been considered.…”

Section: Methodsmentioning

confidence: 99%

Carinina ochracea(Palaeonemertea: Tubulanidae) Reaches Its Southernmost Distribution: New Morphological and Molecular Data

2015

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“…sandy beaches, so they could be a good indicators of beach quality (Herrera-Bachiller et al 2008, Puerta et al 2010). On sandy beaches of southwestern Spain, Nemertean abundance was similar to that of molluscs, showing high occurrences (67% of the sampled beaches), highlighting the importance of nemerteans at these latitudes.…”

Section: Macroinfaunamentioning

confidence: 99%

Biodiversity and distribution of macroinfauna assemblages on sandy beaches along the Gulf of Cadiz (SW Spain)

Reyes-Martínez¹,

Ruiz-Delgado²,

Sánchez-Moyano³

et al. 2015

Sci. Mar.

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Summary: In the current study, the macroinfauna communities inhabiting 12 sandy beaches along the Spanish coast of the Gulf of Cadiz were describe in order to characterize their unexplored biodiversity, their zonation patterns and their environmental features. A total of 66 macroinfauna taxa were recorded on 12 sandy beaches, ranging from 4 to 33 species. Density reached 848 individual per m 2 . The individual zonation pattern ranged from two to three zones, regardless of the morphodynamic state. A common zonation pattern of the whole set of beaches was established, comprising three across-shore biological zones. Generally, the supralittoral zone was typified by the air-breathing amphipod Talitrus saltator and coleopterans; the middle zone was dominated by true intertidal species, such as Haustoriidae amphipods (Haustorius arenarius), Cirolanidae isopods (Eurydice affinis), Spionidae polychaetes (Scolelepis spp.) and nemerteans; and the lower or sublittoral zone was typified by Pontoporeiidae amphipods, mysids and spionid polychaetes. Sediment moisture, average grain size, organic matter content and elevation were the main predictor variables of zonation patterns. We used the conservation and recreation potential indices to show how this information can be useful for coastal management. Most beaches studied show a score above 5 on the conservation index, so the beaches have a reasonable potential for conservation management.Keywords: sandy beaches; benthic macroinfauna; zonation pattern; environmental variables; Gulf of Cadiz, coastal management. Biodiversidad y distribución de las comunidades de macroinfauna en playas arenosas del Golfo de Cádiz (SO España)Resumen: En el presente estudio, se describen las comunidades de macroinfauna de doce playas arenosas de la costa española del Golfo de Cádiz con el objetivo de caracterizar su biodiversidad, sus patrones de zonación, y sus características ambientales. Un total de 66 taxones de macroinfauna fueron registrados en las playas de estudio, oscilando entre 4 y 33 especies, mientras que la densidad total fue de 848 individuos por m 2 . El patrón de zonación individual varió de dos a tres zonas, independientemente del estado morfodinámico de la playa. Se estableció un patrón de zonación común de todo el conjunto de playas, formado por tres zonas biológicas. En general, la zona supralitoral fue tipificada por el anfípodo Talitrus saltator y diversas familias de coleópteros. La zona media fue dominada por verdaderas especies intermareales, como anfípodos de la famila Haustoriidae (Haustorius arenarius), isópodos cirolánidos (Eurydice affinis), poliquetos (Scolelepis spp.) y nemertinos. La zona sublitoral se caracterizó por anfípodos de la familia Pontoporeiidae, misidáceos y poliquetos espiónidos. La humedad del sedimento, el tamaño medio de grano, el contenido en materia orgánica y la elevación fueron las principales variables influyentes en los patrones de zonación. Por último, toda esta información fue integrada para la aplicación de los índices de Conservación y Re...

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Redescription ofLineus acutifronsSouthern, 1913 (Nemertea: Pilidiophora) and comments on its phylogenetic position

Cited by 15 publications

References 30 publications

Disentangling ribbon worm relationships: multi‐locus analysis supports traditional classification of the phylum Nemertea

Disentangling ribbon worm relationships: multi‐locus analysis supports traditional classification of the phylum Nemertea

Carinina ochracea(Palaeonemertea: Tubulanidae) Reaches Its Southernmost Distribution: New Morphological and Molecular Data

Biodiversity and distribution of macroinfauna assemblages on sandy beaches along the Gulf of Cadiz (SW Spain)

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