caudal appendage

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Noun1.caudal appendage - tail especially of a mammal posterior to and above the anus
craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
tail - the posterior part of the body of a vertebrate especially when elongated and extending beyond the trunk or main part of the body
References in periodicals archive ?
The keys contain detailed drawings of the biological structure of the specimens, illustrating wings, pterothoraxes, caudal appendages, heads, eyes, auricles, and other structures.