UTRECHT MICROPALEONTOLOGICAL BUllETINS

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Great Britain Sweden Systems Zone of Didymograptus hirwulo Subzone of Isograptus gibberuZus Zone of IsograptuB gibberuZ.us Subzone of Didymograptus ni tidus Zone of Phyllograp-tus Zone of angus1;ifolius eZongatus PZesiomegaZaspis estonica Zone of Zone of PhyUograptuB densus Zone of Megalaspides dalecarZicus Sub- 2) Graptol itie zones Tri lobi te-zona ti on Series Graptolitic zones systems Tjernvik (1956) N.W. Oland Tjernvlk (1956) . Ordovician Lower Didymograptus I Ordo- Arenig - - --- - - -- vician extensus Subzone of Didymograptus deflexu.s Upper Subzone of Tet;ragraptus Zone of Didymograp-tus baUicus Zone of Plesiomegalaspis -------~----- plani l imbata Zone of Tetragraptu8 phy Z l-ograptoides Zone of Dichograptus Undescribed dichograptids Zone of Plesiomegalaspis armata -?- -? ? ? Zone of Apatokephalus serratus Zone of Clonograptus heres Zone of Shwnardia Cambrian Zone of Dictyonema fZabelli-1 ) Upper Zone of Bryograptus forme norvegicwn and Tremadoc Cambrian Bryograptus kjerulfi Zone of Adelograptus hunnebergensis Zone of Dictyonema flabeUiforme Zone of Dictyonema f~abeUit'orme Zone of Dictyonema sociale 1)The biozonation of the"Dictyonema shale" according to Hede (1951). A correlation of some Upper Cambrian and Lower Ordovician biostratigraphic units from Great Britain and from the Baltic area; with a comparison between the chronostratigraphic units they originate from.
Oistod;;.s-l~;;;olatus/P;i~niod;'s - - - deZtatus Ass.Z. ----------------- -- -- - -- ---- --- ------ ~ostatus Ass. Z. rectus/De landodus Prioniodus elegans/ Oelandodus eZongatus Ass.Z. f------ ---- - -_ ---- Triangu lodus subti l is/Gothodus microdentatus Ass.Z. --------------- --- Drepanoistodus inconstans Ass. Z. ,-;;---------------- ?...:gr:!:.o}!i!l,d1J..s ..Eel tEJ~ !:.S ~.: ~ .;.. _ Lower Ordovici an onodont-bi ozona- Chronos traconodont-zonation. tion. Sergeeva (1964, tigraphic Lindstrom (1971). 1966). classification. : - I Zone -of Baltoniodus navis + Zone of BaZtoniodus triangularis BrrO: + I Bne
Page 1 and 2:
UTRECHT MICROPALEONTOLOGICAL BUllET
Page 3 and 4: CONODONT BIOSTRATIGRAPHY OF THE UPP
Page 5 and 6: 11.2.4.6. 11.2.4.7. 11.2.4.8. The P
Page 7 and 8: This paper forms part of the author
Page 9 and 10: The Cambrian-Ordovician sequence co
Page 11 and 12: -E Section C Section b w Section a
Page 13 and 14: 1.2.1.2. Type-locality and type-sec
Page 15 and 16: Locolity 2 _S 0- Fig. 8 The Kopings
Page 17 and 18: Horns Udde Formation - Bruddesta --
Page 19 and 20: Figure 11 summarizes the biozonatio
Page 21 and 22: Ordovician limestones of Sweden (19
Page 23 and 24: Ljthostratigraphic Lithostratlunits
Page 25 and 26: formities in the rock-sections. By
Page 27 and 28: The highly discontinuous character
Page 29 and 30: Type-locality: Kopingsklint, sectio
Page 31 and 32: Type-stratum: The limestone bed in
Page 33 and 34: section 6. Paracordylodus gracilis
Page 35 and 36: II.2.4.15. The Prioniodus crassulus
Page 37 and 38: 11.2.4.18. The Drepanoistodus force
Page 39 and 40: BIOSTRATIGRAPHIC AND CHRONOSTRATIGR
Page 41 and 42: norvegicum and Bryograptus kjeruifi
Page 43 and 44: Lithostratigraphic classification u
Page 45 and 46: Kk2 near Horns Udde (see locality 2
Page 47 and 48: III,3. CORRELATION WITH LINDSTROM'S
Page 49 and 50: navis/P.crassulus Zone (figs. 15 an
Page 51 and 52: fig. 19 Sergeeva's conodont zones a
Page 53: found on bland, and in fig. 19 a bi
Page 57 and 58: IV.I. INTRODUCTION Wherever possibl
Page 59 and 60: each the cusp. Where the depression
Page 61 and 62: d) The denticulation. Sometimes the
Page 63 and 64: Udde from member Dh 1 up to the top
Page 65 and 66: teristic and Pander's drawing is ve
Page 67 and 68: The oistodiform elements are highly
Page 69 and 70: Drepanoistodus inconstans (LINDSTRO
Page 71 and 72: Drepanodus amoenus and Oistodus par
Page 73 and 74: Regional occurrence: At Kopingsklin
Page 75 and 76: oistodiform element (PI. 7, figs. 7
Page 77 and 78: Genus Oistodus PANDER, emend. VAN W
Page 79 and 80: Regional occurrence: At Kopingsklin
Page 81 and 82: of Drepanodus arcuatus PANDER, emen
Page 83 and 84: Remarks: Throughout the Oland secti
Page 85 and 86: elements (after Trapezognathus LIND
Page 87 and 88: (LINDSTROM), emend. herein (see PI.
Page 89 and 90: conodonts" and the "complex conodon
Page 91 and 92: in member Ka- d 1 and Ka- d 2 of se
Page 93 and 94: Protopanderodus latus n. sp. (PI. 4
Page 95 and 96: Protopanderodus rectus (LINDSTROM),
Page 97 and 98: it is not thickened towards the rim
Page 99 and 100: flaring and opens to the least conv
Page 101 and 102: emend. herein (PI. 2, figs. 9, 10).
Page 103 and 104: 1961: Discontinuity surfaces in lim
Page 106:
Figs. 1a and 1b Coelocerodontus bic
Page 110:
Figs. 1~4 Drepanoistodus conulatus
Page 114:
Figs. 1-7 Triangulodus brevi basis
Page 118:
Figs. 1-4 Oelandodus elongatus (LIN
Page 121 and 122:
~~ Light green shale. tP}·('WJ Lig
Page 123:
Names of conodont elements. ac acod
Page 127 and 128:
Names of conodont elements. ac acod
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UTRECHT MICROPALEONTOLOGICAL BUllETINS

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