Cryptophyllidae Adamczak, 1961

Casier, Jean-Georges & Olempska, Ewa, 2008, Early Frasnian ostracods from the Arche quarry (Dinant Synclinorium, Belgium) and the Palmatolepis punctata Isotopic Event, Acta Palaeontologica Polonica 53 (4), pp. 635-646 : 646

Family Cryptophyllidae Adamczak, 1961

Cryptophyllus materni (Bassler and Kellett, 1934) ( Fig. 5I–M ) Cryptophyllus sp. A ( Fig. 5N )

Figures

Fig. 5. Early Frasnian ostracods from the access path to the Arche quarry, Dinant Synclinorium, Belgium. A. Bairdia (Orthobairdia) sp. B in Becker (1971). Carapace in right (A) and dorsal (A) views. Sample AR−06−23. IRScNB n° b5086. B. Bairdiacypris sp. B, aff. B. martinae Casier and Lethiers, 1997. Car1 2 apace in right (B) and dorsal (B) views. Sample AR−06−28. IRScNB n° b5087. C. Bairdiacypris sp. D. Poorly preserved carapace in right (C) and dorsal 1 2 1 (C) views. Sample AR−06−25. IRScNB n° b5088. D. Bairdiacypris sp. indet. Poorly preserved carapace in right (D) and dorsal (D) views. Sample 2 1 2 AR−06−28. IRScNB n° b5089. E. Bairdiacypris breuxensis Casier and Olempska, 2008. Carapace in right lateral view. Sample AR−06−26. IRScNB n° b5090. F. Acratia evlanensis Egorov, 1953. Poorly preserved carapace in right lateral view. Sample AR−06−23. IRScNB n° b5091. G. Acratia sp. indet. Carapace in right lateral view. Sample AR−06−27. IRScNB n° b5092. H. Schneideria groosae Becker, 1971. Carapace in right lateral view. Sample AR−06−28. IRScNB n° b5093. I–M. Cryptophyllus materni (Bassler and Kellett, 1934). I. Valve. Sample AR−06−26. IRScNB n° b5094. J. Valve. Sample AR−06−26. IRScNB n° b5095. K. Internal view of a valve. Sample AR−06−27. IRScNB n° b5096. L. Broken valve showing the stack of moults. Sample AR−06−26. IRScNB n° b5097. M. Carapace in dorsal view. Sample AR−06−27. IRScNB n° b5098. N. Cryptophyllus sp. A. Valve in lateral (N) and dorsal 1 (N) views. Sample AR−06−23. IRScNB n° b5099. Scale bars 200 µm.