Eucalathis tuberata ( Jeffreys, 1878 )

Hansen, Jesper, 2024, Brachiopods of the Norwegian fauna northern North Atlantic and Arctic, with a focus on, Fauna norvegica 43, pp. 12-68 : 37

Eucalathis tuberata ( Jeffreys, 1878)

Figures 25 , 26

Terebratula tuberata Jeffreys, 1878, p. 401 –402, pl. 22, fig. 2. Terebratulina tuberata – Davidson (1880), p. 13.

Eucalathis tuberata – Fischer & OEhlert (1890), p. 72.

Description: Shell moderately ventribiconvex. Outline subtriangular to subpentagonal with rounded front and greatest width anteriorly. Shell usually not much longer than wide. Hinge line nearly straight. Ventral umbo pointed and with high interarea bisected by long V- or U-shaped pedicle opening. Deltidial plates small and triangular. Pedicle collar distinct and strongly raised. Pedicle divided into

Figures

Figure 25. Eucalathis tuberata. a–e: dorsal exteriors and interior views of shell batch BMNH PI. ZB 423–427, NE Atlantic; f: dorsal view of specimen BMNH PI. ZB 3049, Margins de Jolin, France; g–j: ventral exterior and interior views of shells from batch BMNH PI. ZB 423–427, NE Atlantic. Scalebar 1mm. Photos: Jesper Hansen.

Figure 26. Distribution of Eucalathis tuberata.