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"Aspidostoma, n. gen.


Gen. char. Zooecia with a calcareous front wall, destitute of raised margins ; orifice arched above, straight below, protected in front by a broad shield-like plate, which is continued downwards for some distance within the cell ; attached to the inner surface of the plate, on a level with the margin of the orifice, a semicircular membrane-calcareous (?) frame, into which the oral valve fits ; wall of the cell elevated behind the orifice into a broad hood-like expansion, which covers it in and forms an arched secondary orifice. Zoarium (in the only known species) erect and bilaminate." (Hinks, 1881:159-60)


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© National Museum of Natural History, Smithsonian Institution

Source: Antarctic Invertebrates Website (NMNH)

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