Spiroplectinella wrightii (Silvestri, 1903)
Figure 3.14
1903 Spiroplecta wrightii Silvestri, p. 59, text-figs. 1-6.
2001 Spiroplectinella wrightii (Silvestri); Szarek, p. 88, pl. 6, fig. 8.
2010 Spiroplectinella wrightii (Silvestri); Margreth, p. 133, pl. 3, fig. 6a-c.
2012 Spiroplectinella sagittula s.l. (Defrance); Milker and Schmiedl, p. 31, fig. 9.19-21.
2015 Spiroplectinella wrightii (Silvestri); Hanagata and Nobuhara, p. 14, fig. 6.7-8.
Description. Test triangular, wall finely agglutinated, surface smooth; chambers not inflated, compressed, gradually increasing in size as added, biserially arranged; periphery acutely angled, sutures distinct, depressed; aperture terminal, low arched opening, bordered by a lip.