Spiroplectammina carteri Hayward 2010

Spiroplectammina biformis sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 45

Image source: Spiroplectammina biformis in Höglund, H. 1947. Foraminifera in the Gullmar fjord and the Skagerak. Zoologiska Bidrag från Uppsala 26: 1-328 + 32 pls. Uploaded with written permission from the copyright owners Annalena Höglund and Jan Höglund.