with margins tapering from
base, bearing only slightest angle delimiting posterior
end of acumen; apex of latter slightly overreaching
distal extremity of basal segment of
antennular peduncle; dorsal median carina
gently curved, not excavate dorsally (not dipping
below level of lateral carinae posterior to acumen),
and reaching apex of acumen; ventral carina
with 2 preapical teeth, both well forward on
acumen; ocellar beak obscured between eyes and
reaching little beyond level of base of stylocerite,
its cephalic border sloping posterodorsally and