Ultrastructure of paraspermatozoa of cerithiacean gastropods (prosobranchia: Mesogastropoda)

Healy J.M. (1986) Ultrastructure of paraspermatozoa of cerithiacean gastropods (prosobranchia: Mesogastropoda). Helgoländer Meeresuntersuchungen, 40 1-2: 177-199. doi:10.1007/BF01987294


Author Healy J.M.
Title Ultrastructure of paraspermatozoa of cerithiacean gastropods (prosobranchia: Mesogastropoda)
Journal name Helgoländer Meeresuntersuchungen   Check publisher's open access policy
ISSN 0174-3597
Publication date 1986-01-01
Sub-type Article (original research)
DOI 10.1007/BF01987294
Open Access Status Not yet assessed
Volume 40
Issue 1-2
Start page 177
End page 199
Total pages 23
Publisher Springer-Verlag
Subject 2300 Environmental Science
1900 Earth and Planetary Sciences
Abstract Using transmission electron microscopy, paraspermatozoa of representative species of the families Cerithiidae, Potamididae, Planaxidae, Dialidae and the genus Australaba (family position uncertain) have been examined and compared with those produced by other prosobranchs, particularly other investigated cerithiaceans. Special attention is focused on the phylogenetic importance of paraspermatozoa and euspermatozoa within the superfamily Cerithiacea. The paraspermatozoa of cerithiacean gastropods fall into two structural categories: (1) those with a 'head' region and a 'tail tuft' (number of tails and the length of the tail tuft variable - Cerithiidae, Planaxidae, Potamididae, Modulidae, Turritellidae, Campanilidae, Pleuroceridae, Obtortio, Australaba); and (2) those with an elongate, vermiform body filled with large electron-dense vesicles and up to ninety axonemes - the latter emerging as numerous short tails from the posterior half of the paraspermatozoon body (Dialidae).
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

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