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Hoeglundina neocarinata

Hoeglundina neocarinata
Description: Description.Test trochospiral, unequally biconvex, subcircular in outline recognized easily by its clear wall showing a cloudy mottling under a light microscope; spiral side evolute, slightly convex; umbilical side involute, more strongly convex; peripheral margin strongly keeled; on the spiral side, sutures flush, indistinct, obscured by irregularly distributed, low tubercles; on the umbilical side, 7-9 somewhat inflated chambers with depressed and nearly radiate sutures; wall finely perforated on both sides; apertural face truncate, with an acute, nearly keeled border; aperture one or two small openings at the base of the apertural chamber and a long slit-like peripheral opening parallel to the margin and provided with a prominent inner lip, still visible on the last 3 or 4 chambers.
Author: Debenay, Jean-Pierre ()
JPG file - 4.20 MB - 4016 x 4016 pixels  [more]
added on 2013-03-27 - 244 views
WoRMS taxa
Hoeglundina neocarinata Debenay, 2013Checked: verified by a taxonomic editorchecked Hayward, Bruce 2013-08-30

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