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FIGURE 2. Typhlopolycystis caeca Karling, 1956 in On the genus Typhlopolycystis Karling, 1956 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with data on the five known species and the description of eleven new species
No full textFIGURE 2. Typhlopolycystis caeca Karling, 1956. Copulatory organ (A) in the holotype and (B) of an individual from Sylt. (scale = 20 µm)Published as part of Schockaert, Ernest R., Moons, Patricia, Janssen, Toon, Tessens, Bart S., Reygel, Patrick C., Revis, Nathalie, Jouk, Philippe E. H., Willems, Wim R. & Artois, Tom J., 2019, On the genus Typhlopolycystis Karling, 1956 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with data on the five known species and the description of eleven new species, pp. 81-104 in Zootaxa 4603 (1) on page 85, DOI: 10.11646/zootaxa.4603.1.4, http://zenodo.org/record/267330
FIGURE 1. Brunetorhynchus deconincki n. gen. n in A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae)
No full textFIGURE 1. Brunetorhynchus deconincki n. gen. n. sp. (A) The living animal as drawn by M. Brunet. (B) Reconstruction of the atrial organs from sagittal sections, seen from the right. (C, D) The seminal receptacle in two individuals (from whole mounts). (E–H) The stylet: (E, G) of the holotype, (F) of another individual from the Bay of Marseille, (H) of an individual from Calvi. (I) Some atrial organs as seen in the whole mount of a third individual from the Bay of Marseille. Note the globular aspect of the female duct in this specimen and the longitudinal muscles in bundles. (scale bars = 25 µm)Published as part of Schockaert, Ernest R., Martens, Paul M., Revis, Nathalie, Janssen, Toon, Willems, Wim & Artois, Tom J., 2014, A new genus with six new species of Typhlopolycystidinae Evdonin, 1977 (Platyhelminthes, Kalyptorhynchia, Polycystididae), pp. 259-272 in Zootaxa 3755 (3) on page 261, DOI: 10.11646/zootaxa.3755.3.4, http://zenodo.org/record/22926
FIGURE 1 in On the genus Typhlopolycystis Karling, 1956 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with data on the five known species and the description of eleven new species
No full textFIGURE 1. Generalised anatomy of a species of Typhlopolycystis. (A) General construction. (B) Female atrial organs. (C) Male atrial organs. (D-G) The different types of copulatory organ in species of Typhlopolycystis. (scale = 20 µm)Published as part of Schockaert, Ernest R., Moons, Patricia, Janssen, Toon, Tessens, Bart S., Reygel, Patrick C., Revis, Nathalie, Jouk, Philippe E. H., Willems, Wim R. & Artois, Tom J., 2019, On the genus Typhlopolycystis Karling, 1956 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with data on the five known species and the description of eleven new species, pp. 81-104 in Zootaxa 4603 (1) on page 84, DOI: 10.11646/zootaxa.4603.1.4, http://zenodo.org/record/267330
FIGURE 8. Typhlopolycystis mediterranea Brunet, 1965 in On the genus Typhlopolycystis Karling, 1956 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with data on the five known species and the description of eleven new species
No full textFIGURE 8. Typhlopolycystis mediterranea Brunet, 1965. Copulatory organ (A) of the syntype indicated as holotype (SMNH typ 2703), (B) of an individual from the Kristineberg area and (C) of an individual from Cerbère (S. France). (scale = 20 µm)Published as part of Schockaert, Ernest R., Moons, Patricia, Janssen, Toon, Tessens, Bart S., Reygel, Patrick C., Revis, Nathalie, Jouk, Philippe E. H., Willems, Wim R. & Artois, Tom J., 2019, On the genus Typhlopolycystis Karling, 1956 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with data on the five known species and the description of eleven new species, pp. 81-104 in Zootaxa 4603 (1) on page 91, DOI: 10.11646/zootaxa.4603.1.4, http://zenodo.org/record/267330
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
On the genus Lagenopolycysitis Artois and Schockaert, 2000 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with the description of six new species
No full textMeiofauna, broadly defined as those organisms able to pass through a 1-mm sieve but retained by a 45-μm mesh, comprise a highly diverse assemblage of invertebrates. Despite their high diversity and abundance, their ubiquitous presence across the globe, and their important role in ocean health and ecosystem functioning, these animals are frequently overlooked in biodiversity assessments. A prime example of such an understudied group is Rhabdocoela Ehrenberg, 1831, a highly speciose and ecologically diverse group of flatworms with over 1500 species found worldwide. As top predators, these microturbellarians are assumed to play a key role in meiofaunal ecosystems, yet many species remain undescribed to date.
This study focuses on Lagenopolycystis, a rhabdocoel genus originally described in 1965, which currently includes only two described species. By combining results from over 30 years of marine sampling campaigns across Europe and Eastern Africa conducted by our research group, we now present an updated description of the genus, followed by a redescription of the type species Lagenopolycystis peresi Brunet, 1965, and L. mandelai Willems & Artois, 2017. Additionally, we describe a total of six species new to science. The new species are mainly distinguished from each other and other representatives of Lagenopolycystis by the organization of their reproductive systems. Comments on the genus' distribution and phylogeny are provided. Our findings contribute to our understanding of microturbellarian diversity, and underscore the need for continued exploration and description of meiofaunal species by future researchers.We gratefully acknowledge the Ministerio de Educación y Ciencia and Estación Biológica de Doñana (ICTS-RBD, Spain) for supporting fieldwork in Doñana National Park. The Algarve expedition was supported by the EU FP7 ASSEMBLE grant agreement no. 227799, in collaboration with the Centro de Ciências do Mar, University of the Algarve. We thank Dr Katrine Worsaae, Dr Alejandro Martínez, and all participants of the 2011 Lanzarote workshop for their assistance with sampling. We also thank the Meiozores workshop (2019) organisers and the Azores Regional Government (grant M3.3.B/ORG.R.C./020/2019). Special thanks to Dr Marco Curini-Galletti for hosting our team in Sardinia and aiding in sampling. This research was supported by EMBRC Belgium—FWO project GOH3817N. We also thank Mrs. Ria Vanderspikken and Mrs. Natascha Steffanie for their lab assistance at Hasselt Universi
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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