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Variation in bone histology of middle Eocene sirenians from western Europe
No full textBuffrénil, Vivian de, Astibia, Humberto, Suberbiola, Xabier Pereda, Berreteaga, Ana, Bardet, Nathalie (2008): Variation in bone histology of middle Eocene sirenians from western Europe. Geodiversitas 30 (2): 425-432, DOI: http://doi.org/10.5281/zenodo.537668
FIG. 3 in First record of the genus Leptolophus Remy, 1965 (Mammalia, Perissodactyla) in the late Eocene (Priabonian) of Europe
No full textFIG. 3. — Left mandible (MCNA 9002) showing the m1-2 series of Leptolophus sp. from Zambrana (Alava, Basque Country); A, occlusal view; B, labial view (modified from Astibia et al. 2000). Scale bar: 5 cm.Published as part of Badiola, Ainara, Astibia, Humberto, Suberbiola, Xabier Pereda & Murelaga, Xabier, 2002, First record of the genus Leptolophus Remy, 1965 (Mammalia, Perissodactyla) in the late Eocene (Priabonian) of Europe, pp. 841-848 in Geodiversitas 24 (4) on page 845, DOI: 10.5281/zenodo.465064
FIG. 2 in First record of the genus Leptolophus Remy, 1965 (Mammalia, Perissodactyla) in the late Eocene (Priabonian) of Europe
No full textFIG. 2. — Upper teeth of Leptolophus sp. from Zambrana (Alava, Basque Country); A-C, right P4? (MCNA 9963); A, labial view; B, occlusal view; C, lingual view; D, E, left fragment of upper tooth (MCNA 9964); D, labial view; E, occlusal view. Scale bar: 5 cm.Published as part of Badiola, Ainara, Astibia, Humberto, Suberbiola, Xabier Pereda & Murelaga, Xabier, 2002, First record of the genus Leptolophus Remy, 1965 (Mammalia, Perissodactyla) in the late Eocene (Priabonian) of Europe, pp. 841-848 in Geodiversitas 24 (4) on page 844, DOI: 10.5281/zenodo.465064
Leptolophus Remy 1965
No full textGenus <i>Leptolophus</i> Remy, 1965 <p> TYPE SPECIES. — <i>Leptolophus stehlini</i> Remy, 1965, by original designation.</p>Published as part of <i>Badiola, Ainara, Astibia, Humberto, Suberbiola, Xabier Pereda & Murelaga, Xabier, 2002, First record of the genus Leptolophus Remy, 1965 (Mammalia, Perissodactyla) in the late Eocene (Priabonian) of Europe, pp. 841-848 in Geodiversitas 24 (4)</i> on page 842, DOI: <a href="http://zenodo.org/record/4650641">10.5281/zenodo.4650641</a>
FIG. 4. — A, diagram d in First record of the genus Leptolophus Remy, 1965 (Mammalia, Perissodactyla) in the late Eocene (Priabonian) of Europe
No full textFIG. 4. — A, diagram d/D (in mm) of the M1 of several Pachynolophidae from the Eocene of Europe, D, largest diagonal (from the parastyle to the hypocone) of the upper teeth, d, diagonal perpendicular to D; B, diagram l/L (in mm) of the M2 of several Pachynolophidae from the Eocene of Europe, l, maximum width, L, average length of the external wall of the ectoloph. Measurements from Casanovas 1975 and Casanovas et al. 1998 for Plagiolophus annectens (Owen, 1848); Cuesta 1994 for Plagiolophus mazateronensis Cuesta, 1994 and Leptolophus sp.; Remy 1998 for Leptolophus stehlini Remy, 1965 and Leptolophus nouleti Stehlin, 1904.Published as part of Badiola, Ainara, Astibia, Humberto, Suberbiola, Xabier Pereda & Murelaga, Xabier, 2002, First record of the genus Leptolophus Remy, 1965 (Mammalia, Perissodactyla) in the late Eocene (Priabonian) of Europe, pp. 841-848 in Geodiversitas 24 (4) on page 846, DOI: 10.5281/zenodo.465064
FIG. 2 in Variation in bone histology of middle Eocene sirenians from western Europe
No full textFIG. 2. — Histological characteristics of the ribs: A-D, specimen AR1-33 from Ardanatz (Navarre); A, general view of the medullar region at mid-diaphysis. The medulla is entirely compact and includes deposits of endosteal bone tissue (light areas), with remnants of calcified cartilage matrix interspersed between them (dark areas); B, endosteal deposits, globuli ossei and remnants of calcified cartilage matrix (*) in the diaphyseal medulla; C, deep region of the periosteal cortex at mid-diaphysis. The cortex is composed of variably oriented primary osteons (light areas), surrounded by "woven-fibered" periosteal tissue (dark areas). The asterisk indicates one annulus; D, peripheral region of the cortex. The asterisks point to several conspicuous cyclic growth marks, represented here by lines of arrested growth. Haversian remodelling is feeble; E, medullar remodelling at mid-diaphysis in the rib of specimen UZ1-30 from Uztarrotz (Navarre). The spatial density of the secondary osteons produced by Haversian remodelling is clearly more elevated than in specimen AR1. Polarized light; F, Remodelled medullar spongiosa in the proximal extremity of the rib of specimen UZ1-29 from Uztarrotz. The osseous trabeculae are extensively remodelled, and the residues of calcified cartilage are sparse, as compared to specimen AR1. Polarized light. Scale bars: A, C-F, 950 µm; B, 400 µm.Published as part of Buffrénil, Vivian de, Astibia, Humberto, Suberbiola, Xabier Pereda, Berreteaga, Ana & Bardet, Nathalie, 2008, Variation in bone histology of middle Eocene sirenians from western Europe, pp. 425-432 in Geodiversitas 30 (2) on page 429, DOI: 10.5281/zenodo.537668
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
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