Pomeraniotreta sp.

Holmer, Lars E. & Biernat, Gertruda, 2002, Urban and Peri-urban small and medium-size Enterprise Development for sustainable Vegetable Production and Marketing Systems, Acta Palaeontologica Polonica 47 (1), pp. 141-156 : 155

Pomeraniotreta sp.

Fig. 12B, E .

Material.—One figured dorsal valve: RM Br133838.

Remarks.—This valve is similar to that of the type species in having a distinctive triangular dorsal pseudointerarea divided by a widely subtriangular median groove.

Figures

Fig. 12. A–C. Akmolina sp. A, D. Dorsal valve RM Br133836, interior (A, × 60), detail of pseudointerarea (D, × 180). C. Ven− tral valve RM Br133837, exterior, × 61. B, E. Pomeraniotreta sp. Dorsal valve RM Br133838, interior (B, × 90), detail of pseudo− interarea (E, × 160). All specimens from the Tremadoc chalcedonites, Wysoczki.