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an individual only one-fourth adult weight
which means "fish lizard
the horseshoe crabs
Their four legs were modified into paddles which aided in steering
Scaumenacia curta (Lungfish) Ankylosaurus an individual only one-fourth adultThis specimen of lungfish is from the Devonian of Quebec, Canada. Lungfishes are fish belonging to the order Dipnoi. Lungfish are best known for retaining characteristics primitive within the Osteichthyes, including the ability to breathe air, and structures primitive within Sarcopterygii, including the presence of lobed fins with a well developed internal skeleton. Today, they live only in Africa, South America, and Australia. While vicariance would