NDLI: Ultrastructure of the spermatozoa of Aristaeopsis edwardsiana and Aristeus varidens (Crustacea, Dendrobranchiata, Aristeidae)

Content Provider	Springer Nature Link
Author	Medina, A. García Isarch, E. Sobri, I. Abascal, F. J.
Copyright Year	2006
Abstract	The acrosome-less spermatozoon of Aristaeopsis edwardsiana (Crustacea, Aristeidae), which consists of a central non-membrane bound nuclear region surrounded by a thin peripheral cytoplasm, much resembles that of the previously studied aristeid Aristaeomorpha foliacea. The marked spermatozoal similarities between these two species appear to indicate a close phylogenetic proximity. A considerably different spermatozoal pattern is observed in aristeids from the genus Aristeus (A. varidens and A. antennatus), whose spermatozoa possess an anterior spherical acrosome, lacking a spike, and partially embedded in (instead of capping) the main sperm body. The two distinct sperm types found in the Aristeidae differ significantly from the spiked sperm typically found in most penaeoids (Penaeidae, Solenoceridae and Sicyoniidae), thus suggesting a phylogenetic separation of the Aristeidae from the remaining Penaeoidea.
Starting Page	39
Ending Page	46
Page Count	8
File Format	PDF
ISSN	0720213X
Journal	Zoomorphology
Volume Number	125
Issue Number	1
e-ISSN	1432234X
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-01-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Decapoda Crustacea Dendrobranchiata Spermatozoa Aristeidae Aristaeopsis edwardsiana Aristeus varidens Phylogeny Animal Systematics/Taxonomy/Biogeography Evolutionary Biology Developmental Biology Animal Anatomy / Morphology / Histology
Content Type	Text
Resource Type	Article
Subject	Developmental Biology Animal Science and Zoology

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