Category:Ordovician Chordata
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| Preceded by Proterozoic Eon | Phanerozoic Eon | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paleozoic Era | Mesozoic Era | Cenozoic Era | ||||||||||
| Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian | Triassic | Jurassic | Cretaceous | Paleogene | Neogene | 4ry | |
Subcategories
This category has the following 3 subcategories, out of 3 total.
A
- Arandaspis (5 F)
S
- Sacabambaspis (8 F)
Media in category "Ordovician Chordata"
The following 3 files are in this category, out of 3 total.
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Archeognathus primus.png 974 × 911; 1.55 MB
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Iowagnathus grandus.png 1,246 × 792; 2.07 MB
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Winneshiek armored fish.png 680 × 776; 878 KB
