- of
dextral and
sinistral individuals.
There occur also
aberrantly sinistral forms of
dextral species and some of
these are
highly sought by
s**** collectors...
-
sinistral and
dextral directions defined by
characteristics of the object,
regardless of the
position of the observer.
Because the
coiled s**** of gastropods...
- are
dextral.
Within a
typically dextral species, rare
individuals may
develop sinistral coiling. In
religious usage, the
shankha (sacred
conch s****) is...
- the case in most
gastropod s****.
Although they
carry their s**** in a way that
makes it
appear to be
dextral, the
s**** of
coiled planorbids is in fact...
-
unusual in that it
includes species that have
dextral s****-coiling and
species that have
sinistral s****-coiling. In addition, some
species within this...
- gastropods, the
s**** of this
species is
almost always right-handed, or
dextral, in its
s****-coiling, but very
rarely a left-handed
s**** is
found (one...
-
distributed in Korea. Most
species in this
genus have a
dextral s**** and 5
species are sinistral.
Dextral species in the
genus Euhadra include:
Euhadra amaliae...
- only on one edge, and
revolves as it grows; it is
always sinistral in
dextral s****.
paucispiral or oligogyrous: with few
spirals as in Littorina. subspiral...
-
species is
endemic to Hawaii. The
sinistral or
dextral s**** is imperforate, conic-oblong and solid. The
s**** has 6 whorls. The
spire is
slightly convexly-conic...
- The
s**** of
species in this
genus appear to be
dextral in coiling, but as is the case in all planorbids, the
s**** is
actually sinistral. The
s**** is...
