Data from: The evolution of skull and body shape in Triturus newts reconstructed from 3D morphometric data and phylogeny

Ivanović A, Arntzen JW

Date Published: March 13, 2014

DOI: http://dx.doi.org/10.5061/dryad.nr210

 

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Title Triturus and Calotriton landmark coordinates
Downloaded 53 times
Description Three-dimensional (3D) models of Triturus skulls were obtained from 177 specimens (121 cleared and stained skeletons from the Institute of Biological Research “Siniša Stanković“, Belgrade and 56 alcohol preserved at the Naturalis Biodiversity Center, Leiden). Specimens vaucher numbers are presented in the file. The specimens were scanned with a Skyscan 1172 100 kV computed microtomograph (micro CT-scanner; Skyscan, Aartselaar, Belgium) under settings that were optimized for the material (aluminium filter Al 0.5 mm, 74 kV, 0.8 rotation step, 515 ms exposure time, four frame averaging). The 3D surface models of newt skulls were produced using SkyScan CT Analyser® 1.10 software, under a marching cube algorithm and a resolution of 26.1 µm. Forty-eight landmarks were defined. A key to the landmarks, brief anatomical descriptions are presented in the file. The landmark coordinates were recorded from the surface models with the software Landmark IDAV 3.0. at http://graphics.idav.ucdavis.edu/research/EvoMorph). Dataset consisting of raw landmark coordinates is presented.
Download Triturus and Calotriton landmark coordinates.xls (512 Kb)
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Title Landmarks numbers and positioning
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Description 48 landmarks (22 bilaterally symmetric and four medial landmarks) and wireframe on the dorsal and lateral side of a Triturus skull.
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Title Lateral dorsal and ventral skull of specimen 2C30
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Description The image of the skull is derived from a CT scan with a spatial resolution of 26.1 µm. a) lateral, b) dorsal and d) ventral side of Triturus macedonicus (number 2C30) is presented
Download Lateral dorsal and ventral skull of speci...30.jpg (841.3 Kb)
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Title video presentation of Triturus and Calotriton skulls
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Description Video representation of Calotriton asper (ZMA.RenA.44640), Triturus carnifex (IBISS.5c35), Triturus cristatus (IBISS.20052), Triturus dobrogicus (IBISS.14C10), Triturus ivanbureschi (IBISS.22444), Triturus karelinii (IBISS 22242), Triturus macedonicus (IBISS.15c30), Triturus marmoratus (ZMA.RenA.7614_165) and Triturus pygmaeus (IBISS.22576) skulls. MP4 files for each species separately are zipped together.
Download video presentation of Triturus and Calotr...ls.zip (3.209 Mb)
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When using this data, please cite the original publication:

Ivanović A, Arntzen JW (2014) The evolution of skull and body shape in Triturus newts reconstructed from 3D morphometric data and phylogeny. Biological Journal of the Linnean Society 113(1): 243-255. http://dx.doi.org/10.1111/bij.12314

Additionally, please cite the Dryad data package:

Ivanović A, Arntzen JW (2014) Data from: The evolution of skull and body shape in Triturus newts reconstructed from 3D morphometric data and phylogeny. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.nr210
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