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1,692 results for “Caenogastropoda”
FIGURE 21 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 21. Known occurrence records of Pseudocleopatra broecki (Putzeys, 1899) n. comb. in the Congo River system. Asterisks indicate type localities; 1: type locality of Cleopatra broecki Putzeys, 1899 and Cleopatra broecki var. zonata Putzeys, 1899; 2: type locality of Pseudocleopatra bennikei Mandahl-Barth, 1974. The arrow indicates the approximate location of the Inga dams.
FIGURE 10 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 10. Known occurrence records of Pseudocleopatra togoensis Thiele, 1928 in the Volta River system. The asterisk indicates the type locality. The arrow indicates the approximate location of the Akosombo dam.
FIGURE 9 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 9. Radula of Pseudocleopatra togoensis Thiele, 1928, Ghana, NE region, DBL 214. A. Radula ribbon; scale bar: 20 μm. B. Lateral and central teeth; scale bar: 10 μm. C. Cutting edge of lateral and central teeth; scale bar: 2 μm. D. Central, lateral and marginal teeth; scale bar: 20 μm.
FIGURE 8 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 8. Opercula of Pseudocleopatra Thiele, 1928 species. A. Lectotype of P. togoensis Thiele, 1928, ZMB 190048b. B. Paratype of Pseudocleopatra voltana Mandahl-Barth, 1973, Mogeyenga village, DBL 2591. C. Probable paratype of Pseudocleopatra dartevellei Mandahl-Barth, 1973, Matadi, DBL 2583. D. Pseudocleopatra broecki (Putzeys, 1899) n. comb., MCZ 171520. E. Lectotype of Pseudocleopatra broecki (Putzeys, 1899) n. comb., MRAC 47360. Scale bar: 1mm.
FIGURE 7 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 7. Shells of Pseudocleopatra togoensis Thiele, 1928. A. Lectotype, ZMB 190048a. B. Oti River at Bdakune village, DBL 2601. C. NE-Ghana, DBL 214. D. White Volta River, DBL 12761. Scale bar: 5 mm.
FIGURE 16 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 16. Radula of Pseudocleopatra dartevellei Mandahl-Barth, 1973 (Morph a), probable paratype, Île des Princes, MRAC 146342. A. Radula ribbon, scale bar: 10 μm. B. Lateral and central teeth, scale bar: 10 μm. C. Cutting edge of lateral and central teeth, scale bar: 10 μm. D. Central, lateral and marginal teeth, scale bar: 10 μm.
FIGURE 6 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 6. Total variance of examined shell shapes and results of geometric morphometrics analyses of Pseudocleopatra Thiele, 1928 species and Cleopatra bulimoides (Olivier, 1804). A. Relative variance of shell shape along PC1 and PC2. The colours of dots imply species affiliations. Depicted thin plate splines represent shell shapes of individuals with the highest and lowest value along PC1. B, F. Variance of shell shapes of PC1 (B) and PC2 (F). Arrow heads indicate the maximum value on the respective shape axis, whereas grey dots indicate the minimum value. C, E. Boxplots for PC1 (C) and PC2 (E) of shell shape sorted according to species. Significant differences (p <0.05) are indicated by bars. D. Total variance of landmark positions; grey dots correspond to all positions of all landmark sets; black dots indicate the mean position of each landmark across the complete data set.
FIGURE 4 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 4. Multivariate ratio analysis of shell measurements of Pseudocleopatra togoensis Thiele, 1928, P. voltana Mandahl- Barth, 1973, P. dartevellei Mandahl-Barth, 1973 and P. broecki (Putzeys, 1899) n. comb. A. Plot of isometric size vs. first principal component in shape space. B. Plot of isometric size vs. second principal component in shape space. C. Plot of isometric size vs. third principal component in shape space. D. Plot of first vs. second principal component in shape space. E. Plot of first vs. third principal component in shape space. F. Plot of second vs. third principal component in shape space. G. PCA ratio spectrum of the first principal component. H. PCA ratio spectrum of the second principal component in shape space. I. PCA ratio spectrum of the third principal component in shape space. J. Allometry ratio spectrum. Vertical bars in G–I = 68% confidence intervals based on 500 bootstrap replicates. For abbreviations of measured shell variables, see Fig. 2.
FIGURE 2 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 2. Shell measurements and positions of landmarks and sliding landmarks. A. Shell measurements of the adult shell. Abbreviations: h—shell height, w—shell width, bw—last whorl height, la—aperture height, wa—aperture width. B. Dots indicate positions of landmarks, lines indicate lines of sliding landmarks (colours indicate different total numbers of sliding landmarks).
FIGURES 1‑11 in A New Genus And Species Of Cavernicolous Pomatiopsidae (Mollusca, Caenogastropoda) In Bahia, Brazil
FIGURES 1‑11: Spiripockia punctata shell and operculum: 1) holotype, dorsal view (H 4.6 mm); 2) same, apertural-slightly anterior view; 3) same, apertural view; 4) paratype MZSP 104435 2♀ with specimens extracted, apertural view (H 3.3 mm); 5) same, apical-slightly apertural view; 6) holotype operculum, outer view (H 1.2 mm); 7) same, inner view; 8) young paratype, apertural view; 9) same, another specimen, left view; 10) paratype 6♀, apertural-slightly left view (H 3.4 mm); 11) same, anterior-slightly apertural view.
FIGURES 28‑33 in A New Genus And Species Of Cavernicolous Pomatiopsidae (Mollusca, Caenogastropoda) In Bahia, Brazil
FIGURES 28‑33: Spiripockia punctata anatomy: 28) odontophore, dorsal view, radula, outer layer of muscles and membranes removed, both cartilages deflected; 29) penis, ventral view, adjacent region of integument also shown, penis duct seen by translucence; 30) nerve ring, right view; 31) part of pallial cavity roof and partially uncoiled visceral mass, male, ventral view; 32) posterior end of pallial oviduct, ventral view; 33) nerve ring, dorsal view, topology of adjacent retractor muscle also shown. Scales = 0.5 mm.
FIGURES 19‑27 in A New Genus And Species Of Cavernicolous Pomatiopsidae (Mollusca, Caenogastropoda) In Bahia, Brazil
FIGURES 19‑27: Spiripockia punctata anatomy: 19) head-foot, male, dorsal view; 20) same, female; 21) same, right view; 22) pallial cavity roof and partially uncoiled visceral mass, female, ventral view, some genital structures displaced, transverse section in indicated region of pallial oviduct also shown; 23) head and haemocoel, ventral view, foot and columellar muscle removed; 24) foregut, right-slightly dorsal view; 25) same, ventral view, odontophore partially removed and deflected, esophagus partially sectioned longitudinally; 26) odontophore, ventral view, radula partially deflected upwards; 27) pallial cavity hoof, transverse section in middle level of gill. Scales = 0.5 mm.
Fig. 4 in Systematics and phylogenetic species delimitation within Polinices s.l. (Caenogastropoda: Naticidae) based on molecular data and shell morphology
Fig. 4 NeighborNet network based on the concatenated data set (COI, 16S, 18S, 28S, H3). Bootstrap values are indicated
FIGURE 31 in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)
FIGURE 31. Cubalaskeya nivea (Faber, 2007). Shell from Pernambuco state (MNRJ 17235). C: body whorl; D: detail of microsculpture on teleoconch; E–F: protoconch; G–H: detail of protoconch sculpture. Length of whole shell: A–B: 5.4 mm. Scale bars: A–B: 1 mm; C: 500 µm; D, H: 20 µm; E–G: 100 µm.
FIGURE 29 in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)
FIGURE 29. Dizoniopsis sp. Shell from Rio de Janeiro state (MNRJ 16267). C: protoconch; D: detail of protoconch sculpture; E: body whorl; F: detail of teleoconch whorl. Length of whole shell: A–B: 3.1 mm. Scale bars: A–B: 1 mm; C–D: 100 µm; E–F: 200 µm.
FIGURE 26 in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)
FIGURE 26. Cerithiopsis cf. atalaya Watson, 1885. Shells from Rio de Janeiro state. (A: MNRJ 33022; B: MNRJ 18733; C, G–I: MNRJ 18309; D–F: MNRJ 18734). E: body whorl of shell in D; F: protoconch of shell in C; G: protoconch; H–I: detail of protoconch sculpture. Lengths of whole shells: A: 5.9 mm; B: 5.3 mm; C: 4.0 mm; D: 3.5 mm. Scale bars: A–D. 1 mm; E–G. 100 µm; H–I. 20 µm.
FIGURE 27 in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)
FIGURE 27. Cerithiopsis favus sp. nov. A: holotype, from Rio de Janeiro state (MNRJ 19642); B–I: paratypes from Rio de Janeiro state (B: MNRJ 30858; C: MNRJ 18732; D, F, H: MNRJ 16577; E, I: MNRJ 31377; G, J: MNRJ 18735); F: detail of teleoconch whorls of shell in D; G: body whorl; H–I: protoconchs of shell in D and E, respectively; J: detail of embryonic whorl. Lengths of whole shells: A: 4.0 mm; B: 4.8 mm; C: 4.8 mm; D: 4.8 mm; E: 3.6 mm. Scale bars: A–E: 1 mm; F–G: 200 µm; H–J: 100 µm.
FIGURE 25 in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)
FIGURE 25. Cerithiopsis flava (C. B. Adams, 1850)—species complex. A: holotype, from Jamaica (MCZ 186114); B, D, F–J: shells from Rio de Janeiro state (B: MNRJ 16215; D: MNRJ 16543; F–H: MNRJ 16535; I–J: MNRJ 16533); C: shell from Espírito Santo state (C: MNRJ 16545); E: shell from Bahia state (E: IBUFRJ 13399); G: body whorl of shell in F; H: detail of teleoconch sculpture of shell in F; I: protoconch and detail of protoconch sculpture of shell in F. Lengths of whole shells: A: 2.5 mm; B: 3.5 mm; C: 3.1 mm; D: 4.0 mm; E: 3.3 mm; F: 4.5. Scale bars: 1 mm. G–H: 200 μm; I: 100 μm; J: 50 μm.
FIGURE 24 in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)
FIGURE 24. Cerithiopsis soubzmaignei (Cecalupo & Perugia, 2020). Shell from Amapá state (MNRJ 34992). C: body whorl; D: protoconch. Lengths of whole shells: A–B: 2.2 mm. Scale bars: A–B: 1 mm; C–D: 200 µm.
FIGURE 20A–D in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)
FIGURE 20A–D. Cerithiopsis aimen Rolán & Espinosa, 1996. Shell from Rio de Janeiro state (MNRJ 16531). FIGURE 20E–H. Cerithiopsis prieguei Rolán & Espinosa, 1996. Shell from Rio de Janeiro state (MNRJ 32617). FIGURE 20I–L. Cerithiopsis balaustium Figueira & Pimenta, 2008. Shell from Rio de Janeiro state (MNRJ 16527). C, G, K: protoconch of shells in B, F and J, respectively; D: detail of teleoconch whorls of shell in B; H, L: detail of protoconch sculpture of protoconchs in G and K, respectively. Lengths of whole shells: A–B: 1.8 mm; E–F: 2.4 mm; I: 1.8 mm; J: 1.7 mm. Scale bars: A–B, E–F, I–J: 1 mm; C–D, G–H, K–L: 100 µm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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International Brain Laboratory public data
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OpenNeuro
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