synsacrum

(redirected from synsacrums)

synsacrum

the fused lumbar and sacral vertebra and pelvic girdle of birds.
References in periodicals archive ?
The Lano association comprises at least five taxa: one indeterminate albanerpetontid Allocaudata (represented by incomplete dentaries, axis, and fragmentary humeri), one indeterminate Caudata (atlas, trunk vertebrae, humerus), and at least three anurans: one indeterminate Discoglossidae (maxillaries, angulars, vertebrae, urostyle, humeri, and ilia), one indeterminate Palaeobatrachidae (angulars, presacral vertebra, synsacrums, humeri, and ilia), and at least one indeterminate anuran (maxillaries, humeri and ilia that could belong to one or several species) (Duffaud and Rage, 1999; Duffaud, 2000).
These remains have been assigned to the ankylosaur Struthiosaurus on the basis of features observed in the lower jaw, synsacrum, pelvis, and dermal armour (Pereda Suberbiola et al.