Anthracosauria

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Anthracosauria

[‚an·thrə·kə′sȯr·ē·ə]
(paleontology)
An order of Carboniferous and Permian labyrinthodont amphibians that includes the ancestors of living reptiles.
References in periodicals archive ?
Fifteen years later, Don would find, and recognize instantly, the counterpart of Romer's specimen, which is now regarded as an indeterminate proterogyrinid anthracosaur (Holmes et al.