The Book of the Dead seats the jackal among Anubis’s necropolis forms and the care of the wrapped dead. A named jackal in that corpus, not dog as a species dump and not Anubis flattened into the animal alone.
The Book of the Dead’s Anubis is jackal-headed guardian of embalming and the weighing — the jackal as sacred animal of Anubis, not a dog–Anubis Plutarch restatement and not jackal appears_in egyptian alone.