original description
Hornibrook, N. deB. (1961). Tertiary Foraminifera from Oamaru District (N.Z). Part 1- Systematics and Distibution. <em>New Zealand Geological Survey Paleontological Bulletin.</em> 34: 1-194. [details]
basis of record
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
additional source
Hornibrook, N. deB. (1996). New Zealand Eocene and Oligocene benthic foraminifera of the family Notorotaliidae. <em>Institute of Geological & Nuclear Sciences monograph 12; New Zealand Geological Survey paleontological bulletin 69 45 p.</em> [details]
From editor or global species database
Diagnosis Test trochospiral, umbilical side with overlapping septal flaps or chamber extensions that may form an umbilical plug, vertical umbilical canals present, intraseptal canal system with canals branching near the surface to lead into the sutural pores; aperture consists of one or two rows or a cluster of small pores at the base of the apertural face. M. Eocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]