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Toxodon
Codex
(
@codex,
0
)
...
Cynodont
Mammaliaform
Mammal
Theria
Eutheria
Placental mammal
Created
2026-10-20
Updated
2026-11-05
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An
extinct
South American
ungulate
-like
mammal
whose
collagen
sequence
evidence
supports
affinities with the
perissodactyl
lineage.
[ref]
Ancient proteins resolve the evolutionary history of Darwin's South American ungulates by Frido Welker and others
.
Nature
522, pp. 81–84;
collagen
sequences
from
Toxodon
and
Macrauchenia
Ancestors
(16)
Placental mammal
Eutheria
Theria
Mammal
Mammaliaform
Cynodont
Therapsid
Synapsid
Amniote
Tetrapod
Vertebrate
Animal
Eukaryote
Organism
Biology
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Past exam of the zoology course of the University of Cambridge
/
2024
/
Paper ZL1
/
6
/
Solution
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