skeletochronology
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Skeletochronology — is used to determine the chronological age of a species of animal by counting the concentric growth rings found in a cross section of bone. Can not be used for all species of animals.Frogs are an example of a type of species that this works with … Wikipedia
Osteoderm — Osteoderme des ausgestorbenen Krokodils Deinosuchus Als Osteoderme (von altgriechisch ὀστέον ostéon ‚Knochen‘ und δέρμα dérma ‚Haut‘),[1] Osteodermata oder Hautknochenplat … Deutsch Wikipedia
Corsochelys — Temporal range: Late Cretaceous Scientific classification Kingdom: Animalia Phylum: Chordata Class … Wikipedia
