Indonesian chitons of the genera Belknapchiton Sirenko, Saito et Schwabe, 2022 and Leptochiton Gray, 1847(Mollusca: Polyplacophora: Leptochitonidae)

Autor:	Boris I. Sirenko
Rok vydání:	2023
Předmět:	Animal Science and Zoology Aquatic Science Ecology Evolution Behavior and Systematics
Zdroj:	Ruthenica, Russian Malacological Journal. 33:79-94
ISSN:	2307-7336 0136-0027
DOI:	10.35885/ruthenica.2023.33(2).4
Popis:	On the basis of the collections of the R/V Vityaz in the Banda Sea, Indonesia, a review of the chiton fauna of the genera Belknapchiton and Leptochiton was carried out. Leptochiton commandorensis , until now known only from the northern Pacific near the Commander Islands, is here added to the four known Indonesian deep sea species. This species turned out to be with juveniles in the pallial groove. A scanning electron microscope study of the collected specimens of B. giganteus made a corrected, supplemented description of this rare species possible. The age variability of the valves shape and shell sculpture of the two collected species was studied. Particular attention is paid to the age variability of the number of micraesthetes on the tegmentum grains and the position of the mucro.
Databáze:	OpenAIRE
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