Heterobranchia I

Heike Wägele, Annette Klussmann Kolb, Verena Vonnemann and Monica Medina

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:
Heterobranchia I

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This chapter focuses on the marine gastropod clade of Opisthobranchia. It explains that the Opisthobranchia is a major branch of Heterobranchia that include bubble shells, sea hares, and sea slugs. It describes the anatomy and morphological features of the opisthobranchs including their defense mechanism, diet, and feeding habits. It analyses phylogenetic evidence from fossil record and highlights the need for a more detailed descriptions of new and previously named taxa.

Keywords: Opisthobranchia; marine gastropod; Heterobranchia; bubble shells; sea hares; sea slugs; morphological features; defense mechanism; feeding habits; fossil record

Chapter.  11091 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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