Exquisite bone snail shell

Exquisite bone snails are animals of the bone snails family, living on sandy and muddy seabed at depths of tens of meters. There are about 8 layers of spiral layers and shallow suture lines, which are common types of underwater trawl nets. Each spiral layer has three longitudinal swollen ribs. There is a spike in the middle of each longitudinal swollen rib of the spiral; There are three main spines on the longitudinal swollen rib of the spiral layer, some of which also have one short spike. There are 5-7 thin and weak swollen ribs between the longitudinal swollen ribs of the spiral layer. The spiral ribs on the shell surface are thin and high. The anterior sulcus is very long, almost in a closed tubular shape, and its spikes usually do not exceed half of the length of the anterior sulcus. Epinephric keratin. It is mainly distributed in the warm sea and lives on sandy and muddy seabed at a depth of tens of meters. It is distributed along the southern coast of Zhejiang, China.