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In the area west of Bernier
Island, jeaniana fall into
three distinct populations.
In 60 to 85 metres of water
immediately west of
Bernier Island, jeaniana are
very large with dark
dorsums, high cream
margins and ink black
bases similar to praeclara
in color but with a jeaniana
shape. In offshore waters in
depths between 140 and
210 metres of water we
find large typical aurata
which don't show a lot of
variation. Between these
two populations in depths
of 95 to 120 metres we find
a population of dwarf
jeaniana which show huge
variation in size and colour.
We have collected shells
which have varied from 31
to 79mm in length and vary
from shells I classify as
aurata to jeaniana to gold
jeaniana and the odd
aureabasis. I believe this is
a hybrid population with
two populations of friendii
having been isolated from
each other by lower sea
levels during a past glacial
period then re-merged in
the current inter-glacial
period. This shell was
collected in May 2023 from
a geodia sponge in 102
metres of water west of
Bernier Island off Shark
Bay. Immaculata is a name Raybaudi applied to the
very rare unspotted aurata
he obtained from
Taiwanese Fishermen in
the 1980'ties. Graded
Fine++ due to a dorsal growth
fold. The colour form is
extremely rare and if gem I
would value the shell north
of 6000 euro. It has a
unspotted horizontally
banded blue grey dorsum,
cream dorsum and gold
siphon trip. It has perfect
siphons. SUPER RARE COLOUR
FORM !!!
Go to amorashells's items
EURO
