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Flatworms and Ribbon Worms

Peter J. Hayward and John S. Ryland

in Handbook of the Marine Fauna of North-West Europe

Published in print:
2017
Published Online:
April 2017
ISBN:
9780199549443
eISBN:
9780191847943
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199549443.003.0005
Subject:
Biology, Aquatic Biology

A key is provided to common representative families of two flatworm phyla, Xenacoelomorpha and Platyhelminthes, together with concise descriptions and figures of exemplar species, and a key to some ... More


Identifying Spiders

Richard A. Bradley

in Common Spiders of North America

Published in print:
2012
Published Online:
May 2013
ISBN:
9780520274884
eISBN:
9780520954502
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520274884.003.0003
Subject:
Biology, Animal Biology

This chapter describes the features needed for recognition of spiders and their relatives among the arachnids. The anatomical structures and behaviors that are useful for the identification of ... More


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