File:Equine evolution.jpg
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Summary
| DescriptionEquine evolution.jpg |
Deutsch: Evolution der Pferde. Zusammengestellt aus Skeletten des Staatlichen Museums für Naturkunde Karlsruhe, Deutschland.
Von links nach rechts: Größenentwicklung, biometrische Veränderung des Schädels, Reduktion der Zehen (linker Vorderfuß). English: Equine evolution. Composed from Skeletons of Staatliches Museum für Naturkunde Karlsruhe, Germany.
From left to right: Size development, biometrical changes in the cranium, reduction of toes (left forefoot)
Français : Représentation de l'évolution des équidés, composée en utilisant des squelettes des collections du Staatliches Museum für Naturkunde de Karlsruhe, en Allemagne. De gauche à droite: taille, changements biométriques dans le crâne, réduction du nombre d'orteils (pied avant gauche).
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| Date | |
| Source | Own work |
| Author | H. Zell (User:Llez) |
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| Camera location |  | View this and other nearby images on: OpenStreetMap |  49.006714; 8.400475 |
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Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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| Annotations InfoField | This image is annotated: View the annotations at Commons |
Skeleton of
Equus grevyi
today
The Genus Equus is distributed in the Old World
Only toe Nr. 3 well developped
Nr. 2 and 4 nearly completely reduced
Skeleton of Pliohippus
lived in North America
12 million years ago
all feet with 3 toes,
but only the middle one (Nr. 3) well developped,
Nr. 2 and 4 reduced
Skeleton of Merychippus
lived in North America
17 - 11 million years ago
all feet with 3 toes,
but only the middle one (Nr. 3) well developped,
Nr. 2 and 4 shorter
Skeleton of Mesohippus
lived in North America
40 - 30 million years ago
hind foot with 3 toes (Nr. 2,3,4)
Nr. 1 and 5 completely reduced
forefoot with 4 toes (Nr. 2,3,4,and the reduced 5)
Nr. 1 lacking
Size development:
Equus grevyi: 1.45 - 1.60 m (4'7" - 5'3") high
Pliohippus: 1.40 m (4'6") high
Merychippus: 0.90 - 1.20 m (3' - 3'9") high
Mesohippus: 0.60 m (2') high
Biometrical changes in the Cranium:
From elongate to chunky
Reduction of toes:
Loss of toe 5
Reduction to rudiments of toes 2 and 4
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This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: Equine evolution. You can see its nomination here. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:32, 30 September 2010 |  | 9,623 × 8,223 (12.74 MB) | (username removed) |
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