Globigerinella siphonifera 
Life: G. siphonifera is a symbiont bearing shallow dwelling species that is abundant in temperate waters and is also present in tropical waters of the modern ocean.
Distinguishing features: The species has fine spines that cover the shell. It is initially trochospiral and becomes nearly planispiral coiling. Chambers are globular to long and oval, and the aperture is umbilical. Typical adult size >250 microns.
Other names: Globigerina aequilateralis 

More information: mikrotax; Brummer & Kucera, 2022
Downloadable Data
There are 3 scanned G. siphonifera shells.

Note: Data 'stacks' contain the minimally processed 3D data (TIF files) that can be imported into your favorite 3D data processing software program (we use imageJ). The STL file is processed and ready for 3D printing. 
Specimen 1:
Data stack TIF file 1
STL file 1
Click the play button below to manipulate the 3D model:
Specimen 3:
Data stacks tif file, shell 3
STL file, shell 3
Click the play button below to manipulate the 3D model:
Specimen 2:
Data stack TIF file 2
STL file 2
Click the play button below to manipulate the 3D model: