Definition of Planispirally. Meaning of Planispirally. Synonyms of Planispirally

- Planispiral is a condition in which a tubicolous s**** is coiled in a single horizontal plane and the diameter increases away from the axis of coiling...
- limestones of the Carboniferous period in Europe, the s**** of which is planispirally coiled and can be mistaken for the s**** of a cephalopod.[citation needed]...
- smaller than 5 centimeters (2.0 inches) in diameter. The s**** is always planispirally coiled, unlike those of Mesozoic ammonites in which some are trochoidal...
- View of the spire side of the planispiral s**** of the freshwater snail Anisus septemgyratus. The body whorl is the outermost complete revolution of the...
- used to describe various kinds of freshwater snails whose s**** are planispiral, meaning that the s**** is a flat coil. Such s**** resemble a coil of...
- conical tube, the growth of which is coiled into an overall helical or planispiral shape, for reasons of both strength and compactness. The number of whorls...
- the greatest dimension; begins with an oval proloculus followed by planispirally coiled elongate tubular chambers one-half coil in length, forming three...
- sole living cephalopods whose bony body structure is externalized as a planispiral s****. The animal can withdraw completely into its s**** and close the...
- (Coniacian) of France included in the Spirocyclinidae. The test is planispirally to slightly asymmetrically coiled, rarely becoming straighter. Microspheric...
- periods is often possible. Their fossil s**** usually take the form of planispirals, although some helically spiraled and nonspiraled forms (known as heteromorphs)...