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Keywords from Image Description:
a. Skull of the Morse fossil seen nearly in front Trichecus virgianus b. View of the upper jaw teeth of the same. . Skull of the Sable Mustela martes. a. Jaw teeth of the NYPL b. en Skull of the Morse fossil seen nearly in front Trichecus virgianus View of the upper jaw teeth of the same Skull of the Sable Mustela martes Jaw