Ciliopharyngiella intermedia (Plathelminthes, Neoophora) - enigmatic as ever? Ultrastructural features and phylogenetic implications
Sopott-Ehlers, B. (2001). Ciliopharyngiella intermedia (Plathelminthes, Neoophora) - enigmatic as ever? Ultrastructural features and phylogenetic implications. Belg. J. Zool. 131(Suppl. 1): 159-165
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, more
Also appears in:Saló, E.; Watson, N.; Schockaert, E. (Ed.) (2001). Proceedings of the 9 th International Symposium on the Biology of the Turbellaria, Barcelona, Spain, June 2000. Belgian Journal of Zoology, 131(Suppl. 1). Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Diepenbeek. 236 pp., more
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| Keywords |
Cells > Sexual cells > Sperm
Phylogenetics
Ultrastructure
Platyhelminthes [WoRMS]
Marine/Coastal |
| Abstract |
Ultrastructural features of the epidermis, gonads and photoreceptors are presented. The following features of Ciliopharyngiella intermedia are considered to represent autapomorphies of this species or of the taxon Ciliophatyngiella: the special design of egg shell-forming granules in vitellocytes, the pattern of marginal granules in germocytes,. an intercentriolar body with strong striated supporting beams, cilia with a pair of rootlets in young spermatids, as well as intracerebral photoreceptors with both ciliary and rhabdomeric light-sensing organelles arising from the same cell. Based on present information it is hypothesized, that Ciliophatyngiella represents the sister taxon of the Eulecithophora (= Prolecithophora + Rhabdocoela). |
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