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Life-cycle and karyology of Branchiura sowerbyi Beddard (Oligochaeta, Tubificidae)
Casellato, S. (1984). Life-cycle and karyology of Branchiura sowerbyi Beddard (Oligochaeta, Tubificidae). Hydrobiologia 115: 65-69. https://dx.doi.org/10.1007/BF00027895
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, more
Related to:
Casellato, S. (1984). Life-cycle and karyology of Branchiura sowerbyi Beddard (Oligochaeta, Tubificidae), 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. 65-69. https://dx.doi.org/10.1007/978-94-009-6563-8_11, more
Peer reviewed article  
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Keywords
    Invertebrates > Annelida > Oligochaeta > Tubificidae > Branchiura (annelida) > Branchiura sowerbyi
    Marine/Coastal
Author  Top 
  • Casellato, S.
Abstract
    Data on the life-cycle of a population of Branchiura sowerbyi Beddard in a water-lily tank at the Botanical Garden in Padua are reported. The breeding period is from April to July, after which the reproductive system is partially resorbed (August-September) and reformed later in the autumn. The karyology of the species was also studied, and revealed 38 mitotic chromosomes in the gonia, and 19 bivalents in the primary spermatocytes and in the primary oocytes.
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