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609 results for “morphometric analysis”
Figure 5 from: Zhang M, Ruan Y, Wan X, Tong Y, Yang X, Bai M (2019) Geometric morphometric analysis of the pronotum and elytron in stag beetles: insight into its diversity and evolution. ZooKeys 833: 21-40. https://doi.org/10.3897/zookeys.833.26164
Figure 5 Reconstruction of ancestral groundplans of the elytron in Lucanidae and the outgroups. The splines indicate the deformation of the shapes relative to the reference configuration. The phylogenetic tree was summarized and reconstructed from earlier molecular results (Kim and Farrell 2015).
Figure 3 from: Zhang M, Ruan Y, Wan X, Tong Y, Yang X, Bai M (2019) Geometric morphometric analysis of the pronotum and elytron in stag beetles: insight into its diversity and evolution. ZooKeys 833: 21-40. https://doi.org/10.3897/zookeys.833.26164
Figure 3 Differences in elytron shape between outgroups and Lucanidae, on the basis of principal component analysis at the species level. The four circles are 90%-equal frequency ellipses of Lucanidae subfamilies.
Figure 4 from: Zhang M, Ruan Y, Wan X, Tong Y, Yang X, Bai M (2019) Geometric morphometric analysis of the pronotum and elytron in stag beetles: insight into its diversity and evolution. ZooKeys 833: 21-40. https://doi.org/10.3897/zookeys.833.26164
Figure 4 Reconstruction of ancestral groundplans of the pronotum in Lucanidae and the outgroups. The splines indicate deformation of the shapes relative to the reference configuration. The phylogenetic tree was summarized and reconstructed from earlier molecular results (Kim and Farrell 2015).
Figure 2 from: Zhang M, Ruan Y, Wan X, Tong Y, Yang X, Bai M (2019) Geometric morphometric analysis of the pronotum and elytron in stag beetles: insight into its diversity and evolution. ZooKeys 833: 21-40. https://doi.org/10.3897/zookeys.833.26164
Figure 2 Differences in pronotum shape between outgroups and Lucanidae, on the basis of principal component analysis at the species level. The four circles are 90%-equal frequency ellipses of Lucanidae subfamilies.
Figure 9 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 9 Comparison between the box charts of the proxy for seeds size (length x width) in cones, on scales and free.
Figure 1 from: Zhang M, Ruan Y, Wan X, Tong Y, Yang X, Bai M (2019) Geometric morphometric analysis of the pronotum and elytron in stag beetles: insight into its diversity and evolution. ZooKeys 833: 21-40. https://doi.org/10.3897/zookeys.833.26164
Figure 1 Description of the curves used in geometric morphometric analysis. The positions selected for the pronotum and elytron curves are represented by Prosopocoilus sp. in dorsal view. The curves were resampled in 25 or 50 semi-landmarks (SLM).
Figure 8 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 8 Histogram for the seed surface (length x width) proxy distribution compared to the normal distribution curve (n=263).
Supplementary material 1 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
: Data type: measurement
Figure 7 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 7 Normal probability plot for the seed surface (length x width) proxy (n=263) (green represents seeds in cone, red represents seeds on scales, and black represents dispersed paired seeds).
Figure 6 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 6 Details of dispersed seeds, scales and fertile scales: A paired seeds with double wall (sample 45311C) B paired seeds with triangular micropylar protrusion (sample 45311 E) C detail of triangular micropylar protrusion from paired seeds (sample 45311 E) D heart shaped paired seeds/ovules (sample 45311 D) E heart shaped paired seeds/ovules (sample 45311 B) F juxtaposed almond shaped seeds/ovules (sample 45311 B) G bicuspid scale (sample 45311 Aa) H bicuspid scale (sample 45311D) I bicuspid scale (sample 45471) J bicuspid scale with contour of two seeds/ovules (sample 45315) K bicuspid scale with darker organic contour of seed (sample 45310) L bicuspid scale with heart shaped contour of seeds/ovules (sample 45471).
Figure 5 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 5 Details from Cone C1: A Facial view of the scale in the cone from sample 45311 Aa (see frame in Figure 2A) B Contours of Facial view of scale and seeds indicated by dashed lines.
Figure 4 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 4 Diagram showing empty scale, opaque (A1) or lighter (A2), fertile units as dark discs (B1) or dark circular rims (B2), and fertile scale with lighter fertile units on darker scale (C1) or darker fertile units on lighter scale (C2) (see also Figure 6). It is indicated how length and width of scale and fertile unit are measured.
Figure 3 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 3 Associated seeds and scales A Dispersed seeds and scales (sample 45311a) B Scale with hart shaped scar and scale with darker central area (sample 45471) C Scale seen from adaxial side showing striation pattern and scale seen from adaxial side showing seed remains (sample 45313). Scale bars: 5 mm.
Figure 2 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 2 The three cones from sample 45311: A cone C1 from 45311 Aa, the black frame indicates the area that is detailed in Figure 5BTobleriabicuspis right edge of cone C2 fragment showing bicuspid scale and seeds CTobleriabicuspis cone C3 fragment showing bicuspid scale. Arrows 1–4 in Figure A indicate scales in side view, arrow 5 indicates the cone axis. The arrow in Figure C indicates a bifid scale. Scale bars: 10 mm (A); 2,5 mm (B); 5 mm (C).
Figure 14 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 14 Comparison between the box charts of the proxy for seeds surface (length x width) in cones and dispersed, fertile and empty (n=158).
Figure 10 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 10 Proxy for seed surface (length x width) organised in ascending order with the superimposed polynomial function describing it (n=263).
Figure 12 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 12 Normal probability plot for the scale width (n=158) (green represents scales in cone, red represents dispersed fertile scales, and black represents dispersed empty scales).
Figure 13 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 13 Histogram for the proxy for scale surface (length x width) distribution compared to the normal distribution curve (n=158).
Figure 16 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 16 Absence of fluorescence in a scale from the Cone C1 from 45311 Aa: A scale under normal light showing the scale as being slightly darker than the rock B identical scale with fluorescent light showing the scale as being opaque while the rock around it shows some fluorescence (arrows indicate the scale).
Figure 1 from: Van Waveren IM (2019) A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra (Indonesia). PhytoKeys 119: 67-95. https://doi.org/10.3897/phytokeys.119.29555
Figure 1 Map of the Bangko area showing the outcrops of the Mengkarang Formation along the distributaries of the Merangin River where Tobleriabicuspis was found.
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