PLIENSBACHIAN (LOWER JURASSIC) BIOSTRATIGRAPHY AND ...

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Oq* c >3 ns 5* “H. Oq '•’I ■§ 2s- >1 ft 5 Oq 3 S, •& ft ft 0> -t ft Miltoceras sp. Polymorphites ? sp. Uptonia? sp. Dayiceras sp. Acanthopleuroceras sp. a ff. A. stahli Tropidoceras? sp. Tropidoceras sp. c f. T. flandrini Metaderoceras talkeetnaense M. sp. a ff. M. fa/fceefnaense M. evolutum M. sp. c(. M. mouterdei M.? sp. M e fa d e ro c e ra s sp. Dubariceras freboldi Dubariceras silviesi Reynesocoeloceras sp. c f. ft. incertum Aveyroniceras sp. A Aveyroniceras sp. 0 Fanninoceras latum Fanninoceras sp. Leptaleoceras sp. a ff. L. accuratum Arieticeras sp. a ff. A. algovianum Arieticeras sp. Arieticeras sp. c f. A. ruthenense Fucinlceras sp. Canavaria? sp. Tiltoniceras propmquum G enus a n d sp. in d e t Protogrammoceras spp. Dactylioceras sp. $ i H m >< m co <strong>PLIENSBACHIAN</strong> C ARIXI AN CD m x x m CD O o > < O m DOMERIAN 2 > JJ O > H c CO * c > m CO 2 z > H C 2 O >D CO m •O O > D O p O N 5 u m m < co > m Z CO > 5 N Jzm gmow z j n m0 Hm » > I I X > Z o m co > 2 2 O z > X > I m CO “0 > H CO N > X m >
Figure 12. Fossil localities and measured sections in the Joan L ake m ap area.
Page 1 and 2: GEOLOGICAL SURVEY OF CANADA BULLETI
Page 3 and 4: PREFACE Study of the copious ammoni
Page 5 and 6: 12 12 13 14 21 25 26 35 56 9. Litho
Page 7 and 8: La faune d’ammonites est dominee
Page 9 and 10: INTRODUCTION The northern part of t
Page 11 and 12: Figure 4. Inferred stratigraphic re
Page 13 and 14: Figure 5. Distribution o f the fiv
Page 15 and 16: SOUTHWEST A Metres 2500 2000 1500 1
Page 17: SECTION 3 3 km southw est of Joan L
Page 21 and 22: D escription. Shell midvolute, whor
Page 23 and 24: fragments at which stage the whorl
Page 25 and 26: Material. A single, large whorl fra
Page 27 and 28: talkeetnaense is known from the Fre
Page 29 and 30: where they trend rursiradiately, th
Page 31 and 32: 40 35 30 25 20 15 10 35 30 25 20 15
Page 33 and 34: 1984 Dubariceras fre b o ld i Domme
Page 35 and 36: Family DACTYLIOCERATIDE Hyatt, 1867
Page 37 and 38: that bear only sporadic tubercles.
Page 39 and 40: Type species. Leptaleoceras leptum
Page 41 and 42: Discussion. Specimen is considered
Page 43 and 44: North America is poorly documented.
Page 45 and 46: Genus and species indet. Plate 16,
Page 47 and 48: Callomon, J.H. 1984: Biostratigraph
Page 49 and 50: Hallam, A. 1988: A re-evaluation of
Page 51 and 52: 1862: U b e r J u ra s s is c h e n
Page 53: Taylor, D.G., Smith, P.L., Laws, R.
Page 56 and 57: Locality Field no. GSC loc. no. GSC
Page 58 and 59: West end o f anticline The followin
Page 60 and 61: F F F F F F K K F K ? ? C K K F F F
Page 63: Figure 1. Camptonectes (Camptochlam
Page 67: Figures 1, 2. U ptonial sp. 1. Figu
Page 71:
Figures 1-5. M etaderoceras talkeet
Page 75:
Figures 1-4. M etaderoceras sp. cf.
Page 79:
Figures 1-4. M iltoceras sp. 1. Fig
Page 83:
Figures 1-7. Arieticeras sp. aff. A
Page 87:
Figure 1. Genus and species indet.
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PLIENSBACHIAN (LOWER JURASSIC) BIOSTRATIGRAPHY AND ...

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