original description
Loeblich, A.R.; Tappan, H. (1953). Studies of Arctic foraminifera. <em>Smithsonian miscellaneous collections.</em> 121 (7):1–150., available online at https://biodiversitylibrary.org/page/27011009
page(s): p. 47, Pl. 6, Figs. 5-6. [details] Available for editors 
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
basis of record
Gross, O. (2001). Foraminifera, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 60-75 (look up in IMIS) [details]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
To NMNH Paleobiology Collection (Pyrgo rotalaria USNM PP 2064 holotype)
Hosted externally
Biloculina murrhyna sensu Cushman (1917) pro parte = Pyrgo rotalaria Loeblich & Tappan, 1953