Vörös A. szerk.: Fragmenta Mineralogica Et Palaentologica 15. 1992. (Budapest, 1992)

SZABÓ, J. (1982): Lower and Middle Jurassic gastropods from the Bakony Mts. (Hungary). Part IV: Neritacea, Craspedostomatacea and Amberleyacea (Archaeogastropoda). - Annls. hist.-nat. Mus. natn. hung., 74:17-33. SZABÓ, J. (1983): Lower and Middle Jurassic gastropods from the Bakony Mts. (Hungary). Part V: Supplement to Archaeogastropoda; Caenogastropoda. Annls. hist.-nat. Mus. natn. hung., 75:27-46. VOIGHT, E. (1972): Über Talpina ramosa v. Hagenow 1840, ein wahrscheinlich zu den Phoronoidea gehöriger Bohrorganismus aus der Oberen Kreide, nebst Bemerkungen zu den übrigen bisher beschriebenen kretazischen "Talpina*Arten. - Nachr. Akad. Wiss. Göttingen Math.-Phys. Klasse, 7: 93-126. Author's address:Dr. János SZABÓ Geological and Paleontological Department Hungarian Natural History Museum Budapest, Pf. 330. H-1370 Hungary EXPLANATION OF PLATES PLATE I Fig. 1-2: Excavation network on a Proconulus baldensis specimen (No. M.91.1); x7.5. PLATE II Fig. 1: SEM photomicrograph of abapically oriented bifurcation on specimen No. J 10 144 ; x 100. Fig. 2: Details of the canal system along the parietal lip on specimen No. M.91.1; x20. PLATE III Fig. 1: SEM photomicrograph of primary canal (PC) of colony on the whorl surface of specimen No. M.91.2 (see also Pl. IV, fig. 1); x 15 Fig. 2: Oblique view of the canal system on the last whorl of specimen No. M.91.1; SEM photomicrograph, x 10. PLATE IV Fig. 1: Traces of a colony on Proconulus baldensis (specimen No. M.91.2). Letters "A" and "B" mark shell damages that were survived by the epibiont. Letter "C" indicates a whorl section along that an accelerated shell secretion period caused the death of the colony (see also "Interpretation of the traces"); x 7.2.