Definition of Opisthocline. Meaning of Opisthocline. Synonyms of Opisthocline

- 7.5 whorls. The protoconch is smooth. The teleoconch shows strong, opisthocline, slightly flexuous axial ribs (ca. 14 on the penultimate whorl), equivalent...
- about twenty plicae. These ribs are as broad as interspaces. They are opisthocline with a prosocline inflexion beneath the suture. The s**** has a high...
- strongly concave. The axial sculpture consists of short, prominent, opisthocline ribs, separated by interspaces much wider than them, extending from the...
- shouldered. They are slightly impressed on top and slightly convex below. The opisthocline axial ribs do not undulate on base. The spiral threads are microscopic...
- These two are vitreous and convex. The others are convex and crossed by opisthocline ribs. The sutures are almost obsolete. The spiral lirations in this species...
- vary between orthocline (at right angles to the growth direction) and opisthocline (following the growth direction). The outer lip contains some teeth....
- aperture. The carina at the base of the body whorl is prominent. The opisthocline growth lines of the s****, in the shape of an inverted S, clan clearly...
- in the other species in this genus. The sculpture consists of oblique opisthocline axial ribs, 11 on the first whorl, increasing to 12–13 on the body whorl...
- of the s**** is light green, with a reddish tone between the arcuate, opisthocline ribs and with a thick, olive-brown periostra****. The a****inate, orthoconic...
- obtusely angulate and crossed by many spiral lirae. The s**** shows many opisthocline ribs. The body whorl is at the top slightly concave, but otherwise slightly...