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Redescription of Mesochaetopterus selangolus (Polychaeta: Chaetopteridae), Based on Type Specimens and Recently Collected Material from Morib Beach, Malaysia

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Title: Redescription of Mesochaetopterus selangolus (Polychaeta: Chaetopteridae), Based on Type Specimens and Recently Collected Material from Morib Beach, Malaysia
Authors: Nishi, Eijiroh
Issue Date: Jan 1999
Publisher: University of Hawai'i Press
Citation: Nishi E. 1999. Redescription of Mesochaetopterus selangolus (Polychaeta: Chaetopteridae), based on type specimens and recently collected material from Morib Beach, Malaysia. Pac Sci 53(1): 24-36.
Abstract: Rullier constructed the monotypic genus Sasekumaria within the
family Chaetopteridae in 1976. I studied the type specimens and recently collected
material and transferred Sasekumaria selangola to the genus Mesochaetopterus
established by Potts in 1914. Mesochaetopterus selangolus is characterized
by two middle segments with extended notopodia, associated feeding
organ, a J-shaped tube, and the porous end of the tube. The species closely resembles
M. japonicus Fujiwara, 1934. Mesochaetopterus selangolus can be differentiated
from M. japonicus by the number of notochaetae in the middle and
posterior region, the number of teeth on the uncinal plates of the middle and
posterior region, the morphology of the anal region, and the structure of the
tube. Mesochaetopterus selangolus is compared with other species of the genus
and diagnostic keys are provided.
URI/DOI: http://hdl.handle.net/10125/1893
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 53, Number 1, 1999



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