Ulrich Ehlers (auth.), Seth Tyler (eds.)'s Advances in the Biology of Turbellarians and Related PDF

By Ulrich Ehlers (auth.), Seth Tyler (eds.)

ISBN-10: 9400948107

ISBN-13: 9789400948105

ISBN-10: 940108632X

ISBN-13: 9789401086325

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Read Online or Download Advances in the Biology of Turbellarians and Related Platyhelminthes: Proceedings of the Fourth International Symposium on the Turbellaria held at Fredericton, New Brunswick, Canada, August 5–10, 1984 PDF

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Extra resources for Advances in the Biology of Turbellarians and Related Platyhelminthes: Proceedings of the Fourth International Symposium on the Turbellaria held at Fredericton, New Brunswick, Canada, August 5–10, 1984

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According to Lambert (1980) larvae with few fields and a large number of sensilla characterize lower monogeneans while the larvae of higher monogeneans have many fields and few sensilla. If, however, a more or less complete ciliated body covering - as in amphilinidean and gyrocotylidean larvae - is a primitive condition then monogenean larvae with many ciliated fields are more primitive than larvae with few fields. Furthermore, sensilla are specialized cilia and thus the presence of few sensilla might be more primitive than sensilla in a large number.

University Press, Oxford. (in press). Steinbock, O. 1925. Zur systematik der Turbellaria metamerata. Zool. Anz. 64: 165 -192. Sterrer, W. & R. Rieger, 1974. Retronectidae - a new cosmopolitan marine family of Catenulida (Turbellaria). In N. W. Riser & M. P. Morse (eds), Biology of the Turbellaria. McGraw-Hill, New York: 63-92. , 1976. Comparative ultrastructure of adhesive systems in the Turbellaria. Zoomorphologie 84: 1- 76. , 1979. Distinctive features of cilia in metazoans and their significance for systematics.

Smith & Tyler, 1985a). Despite the abundance of characters that can be discerned in these rootlet there is still For summary references and background, see Kariing (1974) and Ehlers (1984, 1985a). Some proposed autapomorphies of each group (with references to comparative studies) are: A: Position and orientation of male system (Sterrer & Rieger, 1974). Special structure of spermatozoan (Rieger, 1978). B: Unpaired, dorsally-located proto nephridial system. Fine structure of flame bulb (Kiimel, 1962; Rieger, 1981).

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Advances in the Biology of Turbellarians and Related Platyhelminthes: Proceedings of the Fourth International Symposium on the Turbellaria held at Fredericton, New Brunswick, Canada, August 5–10, 1984 by Ulrich Ehlers (auth.), Seth Tyler (eds.)


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