Tortolithus carteri Bergen & Howe in Sikora et al., 2004
Species of Tortolithus having a strongly birefringent wide wall and narrower elongated central area.
Sikora, P.J., Howe, R.W., Gale, A.S., Stein, J.A., 2004. Chronostratigraphy of proposed Turonian-Coniacian (Upper Cretaceous) stage boundary stratotypes; Salzgitter-Salder, Germany, and Wagon Mound, New Mexico, USA. Geological Society of LononSpecial Publication 230, 207-242.
Tortolithus carteri
Bergen & Howe in Sikora et al., 2004
Coniacian
Wagon Mound section, New Mexico, USA