NDLI: The radular morphology of Nassariidae (Gastropoda: Caenogastropoda) from China

Content Provider	Springer Nature Link
Author	Yang, Jingwen Zhang, Suping
Copyright Year	2011
Abstract	The family Nassariidae includes a number of species that are distributed throughout the world. Each species has a characteristic shell shape, tooth shape, and behavior. However, the classification of species in this family of the Rhachiglossa is controversial. We describe the radulae of 22 species from China in detail using optical and scanning electron microscopy. These species are considered to be representatives of two subfamilies, two genera, and 10 subgenera. Our results suggest that the morphology of the central tooth and the pair of lateral teeth and the presence or absence of a pair of intermediate accessory lateral teeth could be used to distinguish among species. We found no support for the subgeneric differentiation of the species. However, the presence or absence of the intermediate lateral accessory plate was characteristic of species divisions. We noted sexual dimorphism in the shape of the teeth in some species, and considerable variability of the shape of teeth within a single species. Based on our results, the genus Nassarius cannot be split into subgenera using radula morphology.
Starting Page	1023
Ending Page	1032
Page Count	10
File Format	PDF
ISSN	02544059
Journal	Chinese Journal of Oceanology and Limnology
Volume Number	29
Issue Number	5
e-ISSN	19935005
Language	English
Publisher	SP Science Press
Publisher Date	2011-08-08
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	Gastropoda Nassariidae radular morphology China Oceanography
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Oceanography

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