An ultrastructural study of the spermatozoa of Eulalia sp. (Phyllodocidae), Lepidonotus sp. (Polynoidae), Lumbrineris sp. (Lumbrineridae) and Owenia fusiformis (Oweniidae)

Rouse G.W. (1988) An ultrastructural study of the spermatozoa of Eulalia sp. (Phyllodocidae), Lepidonotus sp. (Polynoidae), Lumbrineris sp. (Lumbrineridae) and Owenia fusiformis (Oweniidae). Helgoländer Meeresuntersuchungen, 42 1: 67-78. doi:10.1007/BF02364204


Author Rouse G.W.
Title An ultrastructural study of the spermatozoa of Eulalia sp. (Phyllodocidae), Lepidonotus sp. (Polynoidae), Lumbrineris sp. (Lumbrineridae) and Owenia fusiformis (Oweniidae)
Journal name Helgoländer Meeresuntersuchungen   Check publisher's open access policy
ISSN 0174-3597
Publication date 1988
Sub-type Article (original research)
DOI 10.1007/BF02364204
Volume 42
Issue 1
Start page 67
End page 78
Total pages 12
Publisher Springer-Verlag
Subject 2300 Environmental Science
1900 Earth and Planetary Sciences
Abstract The ultrastructure of the mature spermatozoa of four polychaetes is described:Eulalia sp. (Phyllodocidae), Lepidonotus sp. (Polynoidae), Lumbrineris sp. (Lumbrineridae) and Owenia fusiformis (Oweniidae). All the sperm show features typical of externally fertilizing sperm in having a rounded nucleus, a short unmodified midpiece, and a simple flagellum with a 9+2 axoneme. Owenia fusiformis and Lepidonotus sp. have a nuclear cone extending into the subacrosomal space that may act to present the inner acrosomal membrane to the egg during fertilization. The acrosome of Lumbrineris sp. is flattened and crenulated. The sperm of Eulalia sp. is unusual in having the four mitochondria of the midpiece ensheathed by a membrane. Comparisons are made with other polychaete sperm, and the use of sperm ultrastructure as a taxonomic tool within the Polychaeta is discussed.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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