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The phylogenetic position of Udonella (Platyhelminthes)1

โœ Scribed by D.T.J. Littlewood; K. Rohde; K.A. Clough


Book ID
118243866
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
239 KB
Volume
28
Category
Article
ISSN
0020-7519

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The phylogenetic significance of flatworm sperm morphology is discussed against the background of general spermatology. The modified type of spermatozoon of the Nemertodermatida, a group of primitive flatworms, indicates that the Platyhelminthes evolved from forms characterized by the primitive type