Meaning of polygyrate | Babel Free

Definitions

Multiply gyrate, like the protoconches of various Gemmula ammonites. ?

Examples

“[...] polygyrate diagonally cancellated protoconch, but in that genus the adult whorls are pagodiform, strongly keeled[…] polygyrate to paucispiral and almost smooth, and the reversed L-sinus is sometimes rendered U-shaped to subtubular, when restricted above by a parietal tubercle. The Daphnellids are very numerous in both genera and species[…]”

“[...] gyrate furcation, and often a tendency to become fasciculate or virgatotome; secondary ribs obsolescent in some [...] polygyrate ribs and intercalatory secondaries. Microconchs 100-112 mm. in diameter with following rib densities[…]”

“... polygyrate or bidichotomous to fasciculate (rarely virgatotome) ribs, more loosely spaced and coarser. External whorls of macroconch forms with dichotomous to polygyrate ribs[…]”

CEFR level