Recent deep-sea species of Benthonellania lozouet, 1990 (Gastropoda:Rissooidea) from the south-western Atlantic, with descriptions of two new species utilizing a shell morphometric multivariate approach

被引：0

作者：

Absalao, RS

Santos, FN

机构：

[1] Univ Estado Rio de Janeiro, Inst Biol, Dept Zool, BR-20550900 Rio De Janeiro, RJ, Brazil

[2] Univ Fed Rio de Janeiro, Ctr Ciencias Saude, Inst Biol, Dept Zool, BR-21941570 Rio De Janeiro, Brazil

来源：

JOURNAL OF CONCHOLOGY | 2004年 / 38卷

关键词：

Benthonellania; Rissoidae; Rissooidea; deep-sea; bathyal; Brazil; morphometry;

D O I：

暂无

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Two new species of Benthonellania arc described and the first record of Benthonellania donmoorei Moolenbeek & Faber, 1991 is reported from Brazil. Benthonellania coronata n. sp. has less axial ribs than any other congener, absence of spiral sculpture and relatively strong nodules at adapical end of axial ribs. Benthonellania multicostata n. sp. has numerous opistocline axial ribs, no trace of adapical nodules and convex whorls profile. Multivariate conchological analysis (Cluster and Principal Component Analysis) of the two new species as well as Benthonellania xanthias (Watson, 1886) confirm the species status for the two new taxa. Alvania colombiana Romer & Moore, 1988 is confirmed to the genus Alvania.

引用

页码：329 / 340

页数：12

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