Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 71. (Budapest 1979)

Szabó, J.: Lower and Middle Jurassic Gastropods from the Bakony Mountains (Hungary). Part I.: Euomphalidae (Archaeogastropoda)

HUDLESTON, W. H. (1887-96): A monograph of the Inferior Oolite Gastropoda, being part I. of the British Jurassic Gastropoda. — Palaeontogr. Soc, p. 1-514., PI: 1-44. KONDA J. (1970): A Bakony-hegységi jura időszaki képződmények üledékföldtani vizsgálata. — Magy. Áll. Földt. Int. Évk., 50 (2): 156-260. LYCETT, J. (1850): Tabular view of fossil shells from the middle division of the Interior Oolite in Gloucestershire. — Ann. Mag. Nat. Hist., ser. 2., 6: 401-425. Pl: 11. MAUGERI, P. G. (1924): II Lias di Grotte presso S. Teresa in Riva (prov. Messina). MOORE, R. C. (1964): Treatise on Invertebrate Paleontology. P. L, Mollusca 1. PCSELINCEV, V. F. (1937): The Jurassic Gastropoda and Pelecypoda of the USSR. 1. The Gastropoda and Pelecypoda from the Liassic and Lower Dogger of the Tethys in the limit of the USSR. — Monogr. Pal. USSR., 48. REUSS, A. (1852): Ueber zwei neue Euomphalusarten des alpinen Lias. — Palaeontographica, 3: 113-116, Pl: 16. STOLICZKA F. (1861): Über die Gastropoden und Acephalen der Hierlatz-Schichten. — Sber. Akad. Wiss. math, naturw. CL, 43: 157-204, Pl: 1-7. TONI, A. (1912): La fauna liassica di Vedana (Belluno) p. 2. Molluschi. — Mém. Soc. Pal. Suisse, 38: 31-52, PI: 2. VÖRÖS, A. (1973): Fúróalga nyomok a kericseri (Bakony-hegység) liászból. — Földt. Közi, 103: 63. VÖRÖS A. (1974): Bathymétrie distribution of some Mediterranean Lower Jurassic brachiopods (Bakony Mts., Hungary). — Ann. Univ. Sei. Budapest, Sect. Geol., 17: 279-286. WENDT, J. (1968): Discohelix (Archaeogastropoda, Euomphalacea) as an index fossil in the Tethyan Jurassic. — Palaeontology, 11: 554-575, PI: 107-110. Author's address: JÁNOS SZABÓ Palaeontological Department Hungarian Natural History Museum H-1370 Budapest, Pf. 330, Múzeum körút 14-16 Hungary Plate I. Fig. 1. Discohelix orbis (REUSS), Kericser, Bed No: 6/25, x2.5 Fig. 2. Discohelix orbis (REUSS), Gombáspuszta, Bed No: IV/4, x3.2 Fig. 3. Discohelix orbis (REUSS), Kericser, Bed No: 6/36, x 1.2 Fig. 4. Discohelix cf. ornata (HÖRNES), Sümeg, X 1.8 Fig. 5. Discohelix excavata (REUSS), Kericser, Bed No: 6/17, X 1.5 Fig. 6. Discohelix inornata sp. n., holotype, Sümeg, x 1, J 9591 Fig. 7. Discohelix inornata sp. n., Sümeg, x 3.5 Fig. 8. Discohelix miocarinata sp. n., holotype, Kericser, Bed No: 6/33, x 1.3, J 9592 Fig. 9. Discohelix miocarinata sp. n., juvenile whorls of the holotype, X2.7 Fig. 10. Discohelix acarinata sp. n., holotype, Közöskúti-árok, Bed No: HK/18, x 3.9, J 9593 Plate II. Fig. 1. ? Discohelix cotswoldiae (LYCETT), Somhegy, Bed No: 1, x 1.6 Fig. 2. ? Discohelix cotswoldiae (LYCETT), protoconch of the specimen on fig. 1, x 15 Fig. 3. ? Discohelix cotswoldiae (LYCETT), Somhegy, Bed No: 1, x 1.7 Fig. 4. Pentagonodiscus reussii (HÖRNES), Sümeg, x 2.5 Fig. 5. Pentagonodiscus reussii(HÖRNES), outer side of the specimen on fig. 4. with a parabolic growthline, x 3.2 Fig. 6. Pentagonodiscus initiopentagonatus sp. n., holotype, Kericser, Bed No: 6/15, x 1.7, J 9594 Fig. 7. Pentagonodiscus initiopentagonatus sp. n., juvenile whorls of the holotype, x 4.6 Fig. 8. Pentagonodiscus angustus WENDT, Somhegy, Bed No: 3, x4.4 Fig. 9. Pentagonodiscus angustus WENDT, Somhegy, the specimen with unbroken spines, Bed No: 1, X3 Fig. 10. Outer side of P. angustus specimen of fig. 8. with a parabolic node, x4.7 Fig. 11. Parabolic nodes and parabolic growth-lines on P. angustus specimen of fig. 8., x8.8 Fig. 12. Discohelix acarinata sp. n., sculpture, x 8