Nomenclature
original description
Rhumbler, L. (1895). Entwurf eines natürlichen Systems der Thalamophoren. <em>Nachrichten der Gesellschaft der Wissenschaften zu Göttingen, Mathematisch-Physikalische Klasse.</em> 1895: 51-98., available online at http://www.digizeitschriften.de/dms/resolveppn/?PID=GDZPPN002496852 [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]
From editor or global species database
Diagnosis Test free, elongate, tubular to slightly flaring, rarely may bifurcate, somewhat constricted at the aperture; wall coarsely agglutinated, of irregular quartz grains and sponge spicules, held in little cement. M. Ordovician (Caradocian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]