original description
(of Petaloconchus (Macrophragma) lamellosus Ladd, 1967) Ladd, H.S. (1972) Cenozoic fossil mollusks from western Pacific islands; gastropods (Turritellidae through Strombidae). <I>U.S. Geological Survey Professional Paper</I>, 532: i–iv, 1–79, pls. 1–20.
page(s): 20 [details]
additional source
Bieler, R. & Petit, R. E. (2011). Catalogue of Recent and fossil “worm-snail” taxa of the families Vermetidae, Siliquariidae, and Turritellidae (Mollusca: Caenogastropoda). <em>Zootaxa.</em> 2948: 1-103., available online at http://www.mapress.com/zootaxa/2011/f/zt02948p103.pdf
page(s): 43 [details]
From editor or global species database
Fossil range Based on original material ranging from Miocene to Holocene. [details]