Haynesina depressula (Walker and Jacob, 1798)

Symphonia, Tabita K. & Senthil, Nathan D., 2019, Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India, Palaeontologia Electronica (55 A) 22 (3), pp. 1-89 : 30

publication ID

https://doi.org/ 10.26879/811

DOI

https://doi.org/10.5281/zenodo.11073673

persistent identifier

https://treatment.plazi.org/id/03F787AB-FFF7-FFA8-6BCF-FD27FD7B5967

treatment provided by

Felipe

scientific name

Haynesina depressula (Walker and Jacob, 1798)
status

 

Haynesina depressula (Walker and Jacob, 1798) View in CoL

Figure 7.20 View FIGURE 7. 1-2

1798 Nautilus depressulus Walker and Jacob , p. 641, pl. 14, fig. 33.

2006 Nonion depressulum (Walker and Jacob) ; Oflaz, p. 227, pl. 9, figs. 5-6 (not pl. 7, figs. 4- 5).

2012 Haynesina depressula (Walker and Jacob) ; Debenay, p. 222.

2012 Nonion depressulum (Walker and Jacob) ; Milker and Schmiedl, p. 112, fig. 25.17-18.

Description. Test circular, biumbilicate, wall calcareous, finely perforate, surface smooth; chambers slightly inflated, planispirally arranged, gradually increasing in size, coiling involute; umbilici narrow and depressed with pustules; periphery subrounded, slightly lobulate, sutures radial, curved backwards, cut near umbilicus; aperture interiomarginal, a low arched opening.

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