- than 25% up to 30%–40%,
probably took
place in the
meraspid stages. The "
holaspid"
stages (epimorphic phase)
commence when a stable,
mature number of segments...
- S.
changyangensis Zhang,
mature (
holaspid)
exoskeleton as
reconstructed by Dai &
Zhang (2013)....
-
Elrathia kingii growth series with
holaspids ranging from 16.2 mm to 39.8 mm in length...
-
observed in
Duyunaspis duyunensis, it is
really uncommon. Usually,
proparian holaspid trilobites developed from
opisthoparian meraspids due to a
mechanism called...
- of Rosa's rule is that the
number of
thoracic segments in
adults (or
holaspids) may vary in
Cambrian trilobite species,
while from the
Ordovician the...
- has at
least nine
larval stages (or instars),
three meraspid and six
holaspid, in its life. So it
molted at
least eight times. Budil, P.; Fatka, O.;...
-
Liostracina Monke, 1903 (Trilobita, Cambrian) from Yunnan, China:
complete holaspid exoskeleton and
implications for
higher level classification". Journal...
