Sphaeroidinella dehiscens (Parker and Jones 1865)
- Dataset
- Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India
- Rank
- SPECIES
Classification
- kingdom
- Chromista
- phylum
- Foraminifera
- class
- Globothalamea
- order
- Rotaliida
- family
- Globigerinidae
- genus
- Sphaeroidinella
- species
- Sphaeroidinella dehiscens
description
Figure 14.9 - 10 1865 Sphaeroidinella bulloides d’Orbigny var. dehiscens Parker and Jones, p. 369, pl. 19, fig. 5 a-b. 2010 Sphaeroidinella dehiscens (Parker and Jones); Ovechkina, Bylinskaya, and Uken, p. 248, fig. 9 F, 9 G. Description. Test large, ovoid, outline weakly lobulate, wall calcareous, coarsely perforate, surface smooth and glossy in adults; chambers globular, rapidly increasing in size as added, chamber arrangement trochospiral, coiling tight, periphery broadly rounded, sutures depressed initially, later obscured by surface cortex in adults; aperture interiomarginal, umbilical in juveniles, slit-like in adults, with a continuous crenulated lip along the cortical margins.