homeothermy

They were better at dumping heat as they lacked any insulation and PERHAPS the early crurotarsans were also cold-blooded and thus required much less food, though some of them seem to have a primitive sort or mass-homeothermy.

Life's Time Capsule: Making of Karoo Sunset Weapon of Mass Imagination 2009

Gigantothermy • Sometimes called ectothermic homeothermy) • Large, bulky ectothermic animals are more easily able to maintain a constant, relatively high body temperature than smaller animals by virtue of their greater volume to surface area ratio.

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