advolute

adj

advolute

adj
1

Biology, Malacology, Natural sciences Having or being a (mollusc) spiral shell in which the whorls touch along a line (but do not overlap).

  • [...] of the same whorl, measured in a line parallel to the plane of bilateral symmetry; in a gyroconic or advolute shell, the most dorsal point most [...]2013, Neil H. Landman, Kazushige Tanabe, Richard Arnold Davis, Ammonoid Paleobiology, Springer Science & Business Media, →ISBN, page 842:
Coordinate terms
evolute, involute, convolute

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.