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Figure 2 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 2. Transverse histological sections through the snout of four non-caenogastropod taxa. (A) Montfortula rugosa (Fissurellidae) snout; (B) M. rugosa snout wall; (C) Austrocochlea porcata (Trochidae) snout; (D) A. porcata snout wall; (E) Nerita atramentosa (Neritidae) snout; (F) N. atramentosa snout wall; (G) Pyrgulina pascoei (Pyramidellidae) introverted proboscis (H) P. pascoei proboscis wall. Scale bars: (A, C, E) 1 mm; (B, D, F–H) 100 µm; for abbreviations see Appendix 2.

Figure 4 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 4. Transverse histological sections through the snout of three caenogastropod taxa. (A) Serpulorbis sp. (Vermetidae) snout; (B) Serpulorbis sp. snout wall; (C) Bembicium nanum (Littorinidae) snout; (D) B. nanum fused aortic muscles; (E) B. nanum snout wall; (F) Carinaria cristata (Carinariidae) snout; (G) C. cristata accessory retractor muscles; (H) C. cristata snout wall. Scale bars: (A, C, D, F, G) 1 mm; (B, E, H) 100 µm; for abbreviations see Appendix 2.

Figure 1 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 1. Schematic classification of proboscis and snout morphology, with retractor muscles shown in grey. (A) Snout; (B) acrembolic proboscis everted; (C) acrembolic proboscis introverted; (D) pleurembolic proboscis everted; (E) pleurembolic proboscis introverted; (F) intraembolic proboscis extended; (G) intraembolic proboscis retracted; (H) polyembolic proboscis everted; (I) polyembolic proboscis introverted; (J) "argobucciniform" proboscis extended; (K) "argobucciniform" proboscis retracted. A–E modified from Fretter and Graham (1994, Figure 88); F–I modified from Miller (1989, Figure 3); J–K modified from Day (1969, Figure 1).

Figure 3 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 3. Transverse histological sections through the snout of four caenogastropod taxa. (A) Pomacea bridgesii (Ampullariidae) snout (A); P. bridgesii snout wall; (C) Pupina robusta (Pupinidae) snout; (D) P. robusta snout wall; (E) Batillaria australis (Batillariidae) snout; (F) B. australis snout wall; (G) Cerithium columna (Cerithiidae) snout; (H) C. columna aortic muscles; (I) C. columna snout wall. Scale bars: (A, C, E, G, H) 1 mm; (B, D, E, I) 100 µm; for abbreviations see Appendix 2.

Figure 5 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 5. Transverse histological sections through the snout of four caenogastropod taxa. (A) Rissoina crassa (Rissoidae) snout; (B) R. crassa circumoesophageal nerve ring and aortic muscles (C) R. crassa snout wall; (D) Edgbastonia alanwillsi (Hydrobiidae) snout; (E) E. alanwillsi snout wall; (F) Vanikoro cancellata (Vanikoridae) snout; (G) V. cancellata snout wall; (H) Bostrycapulus pritzkeri (Calyptraeidae) snout; (I) B. pritzkeri snout wall. Scale bars: (A, B, D, H) 200 µm; (C, E, G, I) 50 µm; (F) 1 mm; for abbreviations see Appendix 2.

Figure 13 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 13. Diagrams of snout and proboscis wall structure. (A) Pomacea bridgesii (Ampullariidae); (B) Cerithium columna (Cerithiidae); (C) Opalia ballinensis (Epitoniidae); (D) Carinaria cristata (Carinariidae); (E) Mitra carbonaria (Mitridae); (F) Strombus gibberulus (Strombidae); (G) Monetaria annulus (Cypraeidae); (H) Vasum turbinellum (Turbinellidae); (I) Cabestana spengleri (Ranellidae); (J) Semicassis pyrum (Tonnidae); (K) Ficus subintermedia (Ficidae).

Figure 10 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 10. Transverse histological sections through the proboscis of three neogastropods. (A) Euplica scripta (Columbellidae) introverted proboscis; (B) E. scripta ventrolateral proboscis retractor muscles; (C) E. scripta proboscis wall; (D) Conus papilliferus (Conidae) retracted proboscis; (E) C. papilliferus ventrolateral proboscis retractor muscles; (F) C. papilliferus proboscis wall; (G) Cymbiola pulchra (Volutidae) everted proboscis; (H) C. pulchra proboscis wall. Scale bars: (A, B, G, H) 500 µm; (D, E) 1 mm; (C, F) 50 µm, for abbreviations see Appendix 2.

Figure 11 in The evolutionary and biomechanical implications of snout and proboscis morphology in Caenogastropoda (Mollusca: Gastropoda)

Figure 11. Transverse histological sections through the proboscis of four muricoidean neogastropods. (A) Vasum turbinellum (Turbinellidae) introverted proboscis and ventrolateral proboscis retractor muscles; (B) V. turbinellum accessory retractor muscles; (C) V. turbinellum proboscis wall (D) Mitra carbonaria (Mitridae) proboscis and epiproboscis; (E) M. carbonaria proboscis wall; (F) Mesoginella translucida (Marginellidae) introverted proboscis and ventrolateral proboscis retractor muscles; (G) M. translucida aortic muscles; (H) M. translucida proboscis wall; (I) Morula marginalba (Muricidae) introverted proboscis and aortic muscles (J) M. marginalba circumoesophageal nerve ring and ventral odontophoral retractor muscles; (K) M. marginalba proboscis wall. Scale bars: (A, B, D, I) 1 mm; (C, E, F, J) 200 µm; (G, H, K) 50 µm; for abbreviations see Appendix 2.

opencc-by-4.0Aug 2021View details →

Fine seismic imaging of the Lianhuashan fault zone, South China, and tectonic implications – Constrained by ambient noise adjoint tomography

<p>The Rayleigh wave group velocity dispersion and the cross-correlation functions  used in the study  "Fine seismic imaging of the Lianhuashan fault zone, South China, and tectonic implications – Constrained by ambient noise adjoint tomography".</p>

FIGURE 3 in Molecular phylogeny of Asiatic Short-Tailed Shrews, genus Blarinella Thomas, 1911 (Mammalia: Soricomorpha: Soricidae) and its taxonomic implications

FIGURE 3. Phylogeny of the genus Blarinella derived from maximum parsimony and neighbor joining analyses of cyt-b and cyt-b + 16S rRNA + ApoB fragments. Neighbor Joining (NJ) and Maximum parsimony (MP) bootstrap values of cyt-b are shown above the branches; MP and NJ bootstrap values of cyt-b + 16S rRNA + ApoB are shown under the branches.

FIGURE 4 in Molecular phylogeny of Asiatic Short-Tailed Shrews, genus Blarinella Thomas, 1911 (Mammalia: Soricomorpha: Soricidae) and its taxonomic implications

FIGURE 4. Networks of the cyt-b and ApoB haplotypes in Blarinella. The missing haplotypes in the network are represented by black dots. Each mutation step is shown as a short line connecting neighboring haplotypes; number of mutations between haplotypes, if greater than one, are indicated near branches. Haplotype designations can be found in Tables 1.

FIGURE 2 in Molecular phylogeny of Asiatic Short-Tailed Shrews, genus Blarinella Thomas, 1911 (Mammalia: Soricomorpha: Soricidae) and its taxonomic implications

FIGURE 2. Phylogeny of the genus Blarinella derived from maximum likelihood and Bayesian analyses of cyt-b and cyt-b + 16S rRNA + ApoB fragments. Node values above branches indicate ML bootstrap values and Bayesian posterior probabilities of cyt-b; node numbers under the branches indicate Bayesian posterior probabilities and ML bootstrap values of cyt-b +16S rRNA + ApoB.

FIGURE 1 in Molecular phylogeny of Asiatic Short-Tailed Shrews, genus Blarinella Thomas, 1911 (Mammalia: Soricomorpha: Soricidae) and its taxonomic implications

FIGURE 1. Map of China showing collecting localities of all individuals used in this study. The sampling localities and site number correspond to sample codes described in Table 1.

FIGURE 3 in Schweigger's (1812) chelonian types from the extinct eighteenth century Portuguese "Royal cabinet of natural history of Ajuda": some contributions for their identification and nomenclatural implications

FIGURE 3. Skeleton of Podocnemis expansa sent to the Cabinet of Ajuda by Alexandre Rodrigues Ferreira in 1787, and photographed in the Museum of Lisbon in 1923. The specimen was consumed by the catastrophic fire of 1978. Photography adapted from Ferreira (1923).

FIGURE 2 in Schweigger's (1812) chelonian types from the extinct eighteenth century Portuguese "Royal cabinet of natural history of Ajuda": some contributions for their identification and nomenclatural implications

FIGURE 2. The capture and cooking of turtle eggs by Amerindians in order to produce turtle butter, a highly appreciated product. Illustration adapted from Ferreira (1972).

FIGURE 5 in Schweigger's (1812) chelonian types from the extinct eighteenth century Portuguese "Royal cabinet of natural history of Ajuda": some contributions for their identification and nomenclatural implications

FIGURE 5. Fiber analysis and comparison of the specimens using a binocular magnifier (12x, 25x, and 50x), showing clear differences between the Ajuda specimens (MNHN 7773, 7997, 9417, 9554) and non-Ajuda specimens (MNHN 7534, 7893, 9566).

FIGURE 1 in Schweigger's (1812) chelonian types from the extinct eighteenth century Portuguese "Royal cabinet of natural history of Ajuda": some contributions for their identification and nomenclatural implications

FIGURE 1. The capture of turtles by Alexandre Rodrigues Ferreira's crew. The Portuguese naturalists can be seen in the boat at left, and the Amerindians are capturing specimens of Podocnemis expansa. Illustration adapted from Ferreira (1972).

FIGURE 4 in Schweigger's (1812) chelonian types from the extinct eighteenth century Portuguese "Royal cabinet of natural history of Ajuda": some contributions for their identification and nomenclatural implications

FIGURE 4. Comparison of specimens' false eyes, showing clear differences between the Ajuda specimens (MNHN 7773, 7997, 9417, 9554, A7678, and the Lisbon Academy of Sciences specimen; in red box) and non-Ajuda specimens (MNHN 7534, 7893, 9566; in blue box). With the exception of MNHN 7773, which was remounted in Paris, all Ajuda specimens present painted wooden eyes.

opennotspecifiedMay 2004View details →

FIG. 7 in Use of cnidae in taxonomy: implications from a study of Acrozoanthus australiae (Hexacorallia, Zoanthidea)

FIG. 7. Scattergrams of nematocyst capsule width and length measurements. (A) Collection from Indonesia, the various types within dotted ellipses; (B) collection from Queensland with the data points superimposed on the dotted ellipses taken from (A). Except in three samples in (B), where n~50, sample points are based on n~100. Origins: Act, actinopharynx; Fil, filament (undifferentiated); Lfil, lower part of filament; Tbas, basal portion of tentacle; Tent, Tentacle (undifferentiated); Ttip, tip of tentacle; Scap, scapus; Ufil, upper part of filament. Nematocyst types: bMas, b-mastigophores; pMas, p-mastigophores; Hol, holotrichs. The outlier point among actinopharynx holotrichs in (A) seems possibly an error.