Winston F. Ponder, Donald J. Colgan, John M. Healy, Nützel Alexander, Luiz R.L. Simone and Ellen E. Mielke

in Phylogeny and Evolution of the Mollusca

Published by University of California Press

Published in print March 2008 | ISBN: 9780520250925
Published online March 2012 | e-ISBN: 9780520933705 | DOI:

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This chapter examines the evolution of the gastropod clade of Caenogastropoda. It explains that caenogastropods comprise about 60% of living gastropod species and the first records of undisputed caenogastropods are from the middle and upper Paleozoic period. The caenogastropods have diversified into a wide range of habitats and have successfully invaded freshwater and terrestrial ecosystems multiple times.

Keywords: Caenogastropoda; gastropod clade; Paleozoic period; habitats; freshwater ecosystems; terrestrial ecosystems

Chapter.  25629 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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