The position of the Haplotaxidae in the evolution of oligochaete annelids
Brinkhurst, R.O. (1984). The position of the Haplotaxidae in the evolution of oligochaete annelids, in: Bonomi, G. et al. Aquatic Oligochaeta: Proceedings of the 2nd International Symposium on Aquatic Oligochaete Biology, held in Pallanza, Italy, September 21-24, 1982. Developments in Hydrobiology, 24: pp. 25-36. https://dx.doi.org/10.1007/978-94-009-6563-8_5
In: Bonomi, G.; Erséus, C. (Ed.) (1984). Aquatic Oligochaeta: Proceedings of the 2nd International Symposium on Aquatic Oligochaete Biology, held in Pallanza, Italy, September 21-24, 1982. Reprinted from Hydrobiologia, vol. 115. Developments in Hydrobiology, 24. W. Junk Publishers: Dordrecht. ISBN 978-90-6193-775-3; e-ISBN 978-94-009-6563-8. 264 pp. https://dx.doi.org/10.1007/978-94-009-6563-8, more
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, more
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Document type: Conference paper
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| Abstract |
The Haplotaxidae have all the characteristics to support the hypothesis that they are the living descendents of the stem forms from which all of the Oligochaeta Clitellata (Orders Lumbriculida, Haplotaxida, Lumbricida, Tubificida) can be derived. The Aphanoneura are distinct from the Clitellata and are raised to a separate Class. There is no evidence to support the view that the elaborate setae of many Tubificida are derived from a polychaete ancestry; both are held to be independent modifications to aquatic life derived from a simple burrowing protoannelid with lumbricine setae. |
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