Pseudononion japonicum   Asano,  1936; Kathal et al., 2010
Taxonomy
Kingdom:Chromista
Phylum:Foraminifera
Class: Polythalamea
Order:Rotaliida
Family:Nonionidae

Description
Test involute, low trochospiral, asymmetrical, somewhat compressed; dorsally convex; chambers 10 (without elongated lobe on ventral side as seen in Nonionella); early chambers slightly inflated and curved backward; sutures slightly depressed, curved; umbilicus depressed; periphery slightly lobulate; surface smooth, but for umbilical region; aperture a broad low interiomarginal slit, extended to the umbilicus; wall calcareous, finely perforate.


Biogeography
• Andhra Pradesh, Kakinada ( Lat = 16.25 ) ( Long = 82.25 ) INDIA ( Depth = 3 mts)
• Tamil Nadu, Tuticorin ( Lat = 8.71 ) ( Long = 78.15 ) INDIA

Economic Importance and Threats

Ecology
Habitat:  Sandy, Coastal

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Literature Source(s)
  • Kathal, PK and Singh, VK (2010) First report of some recent benthic foraminifera from the east coast of India Journal of the Geological Society of India Geological Society of India 76(1) 69-74 Available at - http://dx.doi.org/10.1007/s12594-010-0077-x
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org


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