Chitons of the genus Cryptoplax (Mollusca: Polyplacophora) from the Spratly Islands, South China Sea.

Four species of the polyplacophoran genus Cryptoplax were identified among chiton samples collected from the Spratly Islands (Truong Sa), South China Sea. Among them, one is described as new species C. acerocostata n.

A new genus and two new species of brooding chitons (Mollusca: Polyplacophora) from the North-Western Pacific.

Kaasichiton n. gen. from the northwestern part of the Pacific Ocean is described here.

New shelf and bathyal Philippine leptochitons (Mollusca: Polyplacophora: Lepidopleurida).

Seventeen chiton species of the genus Leptochiton are reported from Philippine waters. Of these, nine are reported from the Philippines for the first time, including three species new to science: Leptochiton costatoacus n. sp.

Chitons (Mollusca: Polyplacophora) of Hainan Island and vicinity, South China Sea.

The chiton fauna of Hainan Island and its vicinity is poorly known. In this contribution, we present the first comprehensive account of the living chitons from this area. The present compilation is based on the study of historical collections housed in Qingdao (China), Saint Petersburg (Russia), new samples from Hainan Island and data from literature.

A new name for the deep-sea chiton Leptochiton clarki Sigwart & Sirenko non Berry (Lepidopleurida: Leptochitonidae).

Recently we described several new species of chitons living in deep water deposits of sunken wood in the southwest Pacific (Sigwart & Sirenko 2012). Among these, one species, Leptochiton clarki Sigwart & Sirenko, 2012, is homonymous with a fossil taxon of the same genus: Leptochiton clarki Berry, 1922. Herein, we replace this homonym with a new name according to International Code of Zoological Nomenclature (ICZN 1999: Art.