polygyrate
形容词 adj.
英文释义
形容词 adj.
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Multiply gyrate, like the protoconches of various Gemmula ammonites. ?
— [...] 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[…]
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