On the Fine Structure ofRastrognathia macrostomagen. et sp.n. Placed in Rastrognathiidae fam.n. (Gnathostomulida)
作者:
REINHARDT MØBJERG KRISTENSEN,
ARNE NØRREVANG,
期刊:
Zoologica Scripta
(WILEY Available online 1977)
卷期:
Volume 6,
issue 1
页码: 27-41
ISSN:0300-3256
年代: 1977
DOI:10.1111/j.1463-6409.1977.tb00757.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Rastrognathia macrostomagen. et sp.n. is described as belonging to Rastrognathiidae fam.n. The ultrastructure is described, especially the nervous and digestive systems and the epidermal specializations. In the epidermis the single cilia belong to the choanocyte‐like cell type. An epidermal sensory cell with several cilia is described. The intraepithelial nervous system shows an orthogon pattern. Two ventral nerve trunks unite into a buccal ganglion. The jaws are secreted by the buccal epidermis. The endoderm consists of a single cell type. The food consists of bacteria. The mesodermal elements consist of six main longitudinal muscle
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