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111 results for “shell variability”
Fig. 19. — A–C, E–J. U in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 19. — A–C, E–J. U. ilariae sp. nov. A. Paratype, C in ventral view, sample G2, ABCM 2014/26. B. Paratype, C in dorsal view, sample D3, ABCM 2014/80. C. Paratype, C in dorsal view, sample F3, ABCM 2014/27. E. Paratype, LV, sample E6, ABMC 2014/028. F. Paratype, LV, detail of muscle scars, sample E4, ABMC 2014/034. G. Paratype, RV, detail of the anterior part of the hinge, sample E4, ABMC 2014/033. H. Paratype, LV, detail of the posterior part of the hinge, sample E4, ABMC 2014/034. I. Paratype, RV, detail of the posterior part of the hinge, sample E4, ABMC 2014/033. J. Paratype, LV, detail of the anterior part of the hinge, sample E4, ABMC 2014/034. — D. U. margaritifera (G.W. Müller, 1894), C in dorsal view, sample C1, ABCM 2014/060.
Fig. 18. U in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 18. U. ilariae sp. nov. A. Holotype, LV, sample E4, ABMC 2014/038. B. Paratype, RV, sample E4, ABMC 2014/044. C. Paratype, LV, sample E6, ABMC 2014/028. D. Paratype, RV, sample E4, ABMC 2014/036. E. Paratype, LV, sample H, ABMC 2014/069. F. Paratype, RV, sample E5, ABMC 2014/030. G. Paratype, LV, sample E5, ABMC 2014/032. H. Paratype, RV, (A-1 instar), sample D3, ABMC 2014/121. I. Paratype, RV, internal view, sample E4, ABMC 2014/033. J. Paratype, LV, internal view, sample E4, ABMC 2014/034.
Fig. 17. U in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 17. U. margaritifera (G.W. Müller, 1894). A. LV, sample E6, ABCM 2014/045. B. LV, sample B3, ABCM 2014/059. C. LV, sample E6, ABCM 2014/050. D. LV, sample B3, ABCM 2014/062. E. LV, sample A2, ABCM 2014/055. F. LV, sample H, ABCM 2014/070. G. LV, sample B2, ABCM 2014/058. H. RV, sample H, ABCM 2014/066. I. LV, sample H, ABMC 2014/071. J. RV, internal view, sample E6, ABMC 2014/052.
Fig. 15 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 15. Scheme of the hidden reticulation evidenced in a celated specimen, LV, sample E6, ABCM 2014/053. Same specimen as Fig. 16G.
Fig. 4 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 4. Detail of the antero-central area showing the fossal group D3-D4-E9 in different morphs. — A–F. U. margaritifera (G.W. Müller, 1894). A. ABMC 2014/045. B. ABMC 2014/50. C. ABMC 2014/053. D. ABMC 2014/057. E. ABMC 2014/075. F. ABMC 2014/083. — G–H. U. ilariae sp. nov. G. ABMC 2014/047. H. ABMC 2014/069.
Fig. 12 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 12. Analysis of similarities (One-way ANOSIM Pairwise Test). A. R statistic and p value for "nonnormalized area" mode. B. R statistic and p value for "normalized area" mode.
Fig. 11 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 11. Cluster analysis performed on valve outlines obtained by Morphomatica analysis. A. Dendrogram for "non-normalized area" mode. B. Dendrogram for "normalized area" mode.
Fig. 10 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 10. Comparison of mean outlines of U. ilariae sp. nov. (green), U. margaritifera (G.W. Müller, 1894) (light blue) and U. distinguenda (Neviani, 1928) (dark blue) obtained by the Morphomatica analysis. A. Results for "non-normalized area" mode. B. Results for "normalized area" mode.
Fig. 16. U in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 16. U. margaritifera (G.W. Müller, 1894). A. LV, sample E4, ABCM 2014/037. B. RV, sample E4, ABCM 2014/040. C. LV, sample A2, ABCM 2014/083. D. RV, sample E4, ABCM 2014/039. E. LV, sample D3, ABMC 2014/075. F. RV, sample E4, ABCM 2014/041. G. LV, sample E6, ABCM 2014/053. H. RV, sample H, ABCM 2014/065. I. LV (A-1 instar), sample E6, ABCM 2014/054. J. LV (A-2 instar), sample D3, ABCM 2014/114. K. RV (A-1 instar), sample A2, ABCM 2014/056.
Fig. 7 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 7. Detail of papillae in heavily celated specimen of U. margaritifera (G.W. Müller, 1894), ABMC 2014/071.
Fig. 8 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 8. Comparison of valve outlines obtained by Morphomatica analysis. Results for "non-normalized area" mode. A. U. ilariae sp. nov. B. U. margaritifera (G.W. Müller, 1894). C. U. distinguenda (Neviani, 1928).
Fig. 5 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 5. Dorsal median group in different morphs. — A–F. U. margaritifera (G.W. Müller, 1894). A. ABMC 2014/037. B. ABMC 2014/04. C. ABMC 2014/053. D. ABMC 2014/057. E. ABMC 2014/075. F. ABMC 2014/083. — G–H. U. ilariae sp. nov. G. ABMC 2014/047. H. ABMC 2014/069.
Fig. 2 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 2. Scheme of the five fossal groups used for reticulation pattern analysis. White arrow indicates the pre-ocular bridge. A. Urocytheris margaritifera (G.W. Müller, 1894), ABMC 2014/057. B. Urocytheris ilariae sp. nov., ABMC 2014/047.
Fig. 6 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 6. Detail of the caudal group in different morphs. — A–F. U. margaritifera (G.W. Müller, 1894). A. ABMC 2014/045. B. ABMC 2014/053. C. ABMC 2014/059. D. ABMC 2014/062. E. ABMC 2014/075. F. ABMC 2014/083. — G–H. U. ilariae sp. nov. G. ABMC 2014/038. H. ABMC 2014/069.
Fig. 3 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 3. Detail of the antero-dorsal area in different morphs. — A–F. U. margaritifera (G.W. Müller, 1894). A. ABMC 2014/045. B. ABMC 2014/053. C. ABMC 2014/057. D. ABMC 2014/059. E. ABMC 2014/075. F. ABMC 2014/083. — G–H. U. ilariae sp. nov. G. ABMC 2014/038. H. ABMC 2014/047.
Fig. 14 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 14. Distribution of U. ilariae sp. nov. and U. margaritifera (G.W. Müller, 1894). Circles = Recent; triangles = Pleistocene; squares = Pliocene; filled = certain; empty = uncertain.
Fig. 1 in Intra- and interspecific shell variability of the genus Urocythereis Ruggieri, 1950 (Ostracoda: Hemicytheridae) in the La Strea Bay (Ionian Sea, Italy)
Fig. 1. Location map of the study area and sampling stations and range of selected physico-chemical parameters of the La Strea Bay (data from Belmonte & Rubino 1988; Mercurio et al. 2000; Gherardi et al. 2001).
FIGURES 6 7 in Redescription, shell variability and geographic distribution of Plagiodontes dentatus (Wood, 1828) (Gastropoda: Orthalicidae: Odontostominae) from Uruguay and Argentina
FIGURES 6 7. SEM photographs of the teleoconch sculpture near the aperture lip. 6, Plagiodontes dentatus; 7, P. multiplicatus.
FIGURES 14 16 in Redescription, shell variability and geographic distribution of Plagiodontes dentatus (Wood, 1828) (Gastropoda: Orthalicidae: Odontostominae) from Uruguay and Argentina
FIGURES 14 16. SEM photographs of the apertural teeth in Plagiodontes spp. 14, P. dentatus; 15, P. multiplicatus (arrow indicates the presence of a denticle on the columellar tooth); 16, P. patagonicus.
А – типовые местонахоЖдениЯ: Зал. ЛаврентиЯ (красный маркер), б. ПровидениЯ (Зеленый маркер); B, B' – иЗобраЖениЯ раковины (B) и Зуба радулы (B') Bela violacea var. nodulosa. Вр=14.5 мм, ДЗ=0.25 мм, иЗ: Krause [1885, pl. 18, figs. 4, 12]; C, C' – синтип Bela violacea var. nodulosa (C) и увеличенный участок предпоследнего оборота (C'), ZMB 37860, Вр=12 мм (фотографиЯ – с раЗрешениЯ ZMB); D–I – иЗменчивость Curtitoma violacea: D – Pleurotoma violacea var. brevis. ZIN беЗ номера, ЗФИ, о-в Аполлонова, Американский Залив, 3–4 м. Вр=8.2 мм; E – Defrancia becki. ZIN беЗ номера, ЗФИ, о-в Кука, 3–4 м. Вр=9.1 мм; F – Bela violacea var. laevior. Вр=12 мм, иЗ: Sars [1878, pl. 17, fig. 3]; G – Bela bicarinata var. geminolineata. ZIN 21324/28, Баренцево море, Югорский Шар, 13 м. Вр=8.7 мм; H – Pleurotoma bicarinata. ZIN 41203/156, ЗФИ, о-в ГрЭм-БЭм, 12–15 м. Вр=8.4 мм; I, I' – Зубы радулы типичной (I) и беЗкилевой (I') форм. ДЗ=0.12 мм и 0.21 мм, соответственно, иЗ: [Sars, 1878, pl. 9, figs. 7, 8]; J – иЗобраЖение раковины Lora inequita. Вр=11 мм, иЗ: Dall [1919, pl. 16, fig. 9]; K – голотип Lora inequita, USNM 222238. Вр=11 мм (фотографиЯ – с раЗрешениЯ USNM); L, L' – Oenopota inequita sensu Bogdanov non Dall: раковины (L) и Зуб радулы (L'). Вр=12 мм и 11.6 мм, соответственно, ДЗ=0.15 мм, иЗ: Богданов [1990, рис. 175, 176, 422 (7)]. A – type localities: Lawrence Bay (red circle), Providence Bay (green circle); B, B' – images of the shell (B) and tooth of the radula (B') of Bela violacea var. nodulosa. H=14.5 mm, L=0.25 mm, after Krause [1885, pl. 18, figs. 4, 12]; C, C' – a syntype of Bela violacea var. nodulosa (C) and the enlarged section of the penultimate whorl (C'), ZMB 37860, H=12 mm (photo – courtesy of ZMB); D–I – variability of Curtitoma violacea: D – Pleurotoma violacea var. brevis. ZIN uncatalogued, Franz Josef Land, Apollonova Isl., American Gulf, 3–4 m. H=8.2 mm; E – Defrancia becki. ZIN uncatalogued, Franz Josef Land, Cook Isl., 3–4 m. H=9.1 mm; F – Bela violacea var. laevior. H=12 mm, after Sars [1878, pl. 17, fig. 3]; G – Bela bicarinata var. geminolineata. ZIN 21324/28, Barents Sea, Ugra Shar, 13 m. H=8.7 mm; H – Pleurotoma bicarinata. ZIN 41203/156, Franz Josef Land, Graham-Bam Isl., 12–15 m. H= 8.4 mm; I, I' – teeth of typical (I) and keelless (I') forms. L=0.12 mm and 0.21 mm, respectively; after Sars [1878, pl. 9, figs. 7,8]; J – image of Lora inequita. H=11 mm, after Dall [1919, pl.16, fig. 9]; K – the holotype of Lora inequita, USNM 222238. H=11 mm (photo – courtesy of USNM); L, L' – Oenopota inequita sensu Bogdanov non Dall: shells (L) and tooth (L'). H=12 mm and 11.6 mm, respectively, L=0.15 mm, after Bogdanov [1990, figs. 175, 176, 422 (7)]. in Curtitoma nodulosa (Krause, 1885) comb. nov. (Gastropoda: Mangeliidae), a rare species twice described from the northern part of Bering Sea
А – типовые местонахоЖдениЯ: Зал. ЛаврентиЯ (красный маркер), б. ПровидениЯ (Зеленый маркер); B, B' – иЗобраЖениЯ раковины (B) и Зуба радулы (B') Bela violacea var. nodulosa. Вр=14.5 мм, ДЗ=0.25 мм, иЗ: Krause [1885, pl. 18, figs. 4, 12]; C, C' – синтип Bela violacea var. nodulosa (C) и увеличенный участок предпоследнего оборота (C'), ZMB 37860, Вр=12 мм (фотографиЯ – с раЗрешениЯ ZMB); D–I – иЗменчивость Curtitoma violacea: D – Pleurotoma violacea var. brevis. ZIN беЗ номера, ЗФИ, о-в Аполлонова, Американский Залив, 3–4 м. Вр=8.2 мм; E – Defrancia becki. ZIN беЗ номера, ЗФИ, о-в Кука, 3–4 м. Вр=9.1 мм; F – Bela violacea var. laevior. Вр=12 мм, иЗ: Sars [1878, pl. 17, fig. 3]; G – Bela bicarinata var. geminolineata. ZIN 21324/28, Баренцево море, Югорский Шар, 13 м. Вр=8.7 мм; H – Pleurotoma bicarinata. ZIN 41203/156, ЗФИ, о-в ГрЭм-БЭм, 12–15 м. Вр=8.4 мм; I, I' – Зубы радулы типичной (I) и беЗкилевой (I') форм. ДЗ=0.12 мм и 0.21 мм, соответственно, иЗ: [Sars, 1878, pl. 9, figs. 7, 8]; J – иЗобраЖение раковины Lora inequita. Вр=11 мм, иЗ: Dall [1919, pl. 16, fig. 9]; K – голотип Lora inequita, USNM 222238. Вр=11 мм (фотографиЯ – с раЗрешениЯ USNM); L, L' – Oenopota inequita sensu Bogdanov non Dall: раковины (L) и Зуб радулы (L'). Вр=12 мм и 11.6 мм, соответственно, ДЗ=0.15 мм, иЗ: Богданов [1990, рис. 175, 176, 422 (7)]. A – type localities: Lawrence Bay (red circle), Providence Bay (green circle); B, B' – images of the shell (B) and tooth of the radula (B') of Bela violacea var. nodulosa. H=14.5 mm, L=0.25 mm, after Krause [1885, pl. 18, figs. 4, 12]; C, C' – a syntype of Bela violacea var. nodulosa (C) and the enlarged section of the penultimate whorl (C'), ZMB 37860, H=12 mm (photo – courtesy of ZMB); D–I – variability of Curtitoma violacea: D – Pleurotoma violacea var. brevis. ZIN uncatalogued, Franz Josef Land, Apollonova Isl., American Gulf, 3–4 m. H=8.2 mm; E – Defrancia becki. ZIN uncatalogued, Franz Josef Land, Cook Isl., 3–4 m. H=9.1 mm; F – Bela violacea var. laevior. H=12 mm, after Sars [1878, pl. 17, fig. 3]; G – Bela bicarinata var. geminolineata. ZIN 21324/28, Barents Sea, Ugra Shar, 13 m. H=8.7 mm; H – Pleurotoma bicarinata. ZIN 41203/156, Franz Josef Land, Graham-Bam Isl., 12–15 m. H= 8.4 mm; I, I' – teeth of typical (I) and keelless (I') forms. L=0.12 mm and 0.21 mm, respectively; after Sars [1878, pl. 9, figs. 7,8]; J – image of Lora inequita. H=11 mm, after Dall [1919, pl.16, fig. 9]; K – the holotype of Lora inequita, USNM 222238. H=11 mm (photo – courtesy of USNM); L, L' – Oenopota inequita sensu Bogdanov non Dall: shells (L) and tooth (L'). H=12 mm and 11.6 mm, respectively, L=0.15 mm, after Bogdanov [1990, figs. 175, 176, 422 (7)].
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