The distinctive character of shell morphology Rectidens sumatrensis (DUNKER, 1852) against Elongaria orientalis (LEA, 1840) (two local species, bivalvia: Unionidae) from the Brantas river, Indonesia

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Abstract

This research is directed to recognize the main characters of shell morphology that can easily be used to distinguish the two local species of Bivalia Unionidae in the Brantas River in East Java (Indonesia) which are very similar, namely Rectidens sumatrensis and Elongaria orientalis. A total of 49 individuals sampled specimens of both species were characterized based on identification guide Jutting (1953). About of 30 of shell morphological characters were observed, there are three characters identified in specimens Rectidens sumatrensis that can be used to distinguish from the specimen Elongaria orientalis, namely the presence of wrinkles noticeable on the surface structure of the interior of the shell; anteriorly of the greatest diameter of the shell, there is generally a shallow concavity in the flanks; and the two cardinal teeth in each valve shells left and right are relatively undeveloped.

Original languageEnglish
Title of host publication6th International Conference and Workshops on Basic and Applied Sciences
EditorsHewa Y. Abdullah
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735415713
DOIs
Publication statusPublished - 21 Sept 2017
Event6th International Conference and Workshops on Basic and Applied Sciences, ICOWOBAS 2017 - Erbil, Kurdistan, Iraq
Duration: 18 Mar 201719 Mar 2017

Publication series

NameAIP Conference Proceedings
Volume1888
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th International Conference and Workshops on Basic and Applied Sciences, ICOWOBAS 2017
Country/TerritoryIraq
CityErbil, Kurdistan
Period18/03/1719/03/17

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