Rhagodiscus Reinhardt, 1967
Loxolith has a single wall with left hand imbricated segments and a central area span by plate or granular segments with or without pores. A distal process is often present.
Hay, W. W., (1977): Calcareous nannofossils. In, Ramsay, A. T. S. (ed.) - Oceanic Micropalaentology. Academic Press, London 1055-1200.
Reinhardt, P., (1967): Fossile Coccolithen mit rhagoidem Zentralfeld (Fam. Ahmuellerellaceae, Subord. Coccolithineae). - Neues Jahrbuch für Geologie und Paläontologie, Monatshefte. 1967: 163-178.