Spongurus pylomaticus Riedel 1958.jpg
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Spongurus pylomaticus Riedel 1958.jpg<% linkedspecs %>
Current identification/main database link: Spongurus pylomaticus Riedel 1958
Original Description
Shell subcylindrical or elongate ellipsoidal, approximately twice as long as broad. An inner, densely spongy core is surrounded by a narrow mantle of less dense meshwork. Entire surface usually sparsely covered with bristle-like spines, which in many specimens tend to be longer at the two poles of the main axis. At one pole is a pylome, usually surrounded by short, irregular teeth.
(based on 29 specimens) Length 150-255 µm, breadth 78-125 µm. Length of surface spines 5-40 µm (usually broken off). Distinguishing characters (rw): his species differs from all others of the genus in the presence of a pylome
Etymology: The specific name is derived from the Greek pyloma (gate or gateway).
Editors' Notes
As indicated by Haeckel (1887, 343-345), the genus Spongurus is apparently cosmopolitan, this species, the only pylomatic member of the genus, has not been found anywhere but in the Antarctic, where it occurs in both the American and Indian Ocean sectors.
Riedel, W. R. (1958). Radiolaria in Antarctic sediments. B.A.N.Z. Antarctic Research Expedition Reports, Series B (Zoology and Botany). 6(10): 217-255. gsReferences:
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Spongurus pylomaticus compiled by the radiolaria@mikrotax project team viewed: 21-4-2021
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