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Protoconch size variation along depth gradients in a planktotrophic Epitonium
Journal article   Open access   Peer reviewed

Protoconch size variation along depth gradients in a planktotrophic Epitonium

Robert Robertson
The Nautilus (Philadelphia), v 107(4), pp 107-112
16 Mar 1994
url
https://www.biodiversitylibrary.org/item/34790#page/131/mode/1upView
Published, Version of Record (VoR)Open Access (License Unspecified) Open

Abstract

Biological and medical sciences Fundamental and applied biological sciences. Psychology Invertebrates Mollusca Morphology. Histology. Cytology
The protoconch length of Epitonium echinaticosta ranges from 330 to 790 mum in the northern Bahamas. The length increases along depth gradients from near 0 m to 40-52 m. Intermediates are from intermediate depths. One planktotrophic species is involved. A possible explanation is given. Systematists should be aware that the phenomenon may occur in other planktotrophic epitoniids or other marine prosobranchs.

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#14 Life Below Water

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Web of Science research areas
Marine & Freshwater Biology
Zoology
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