This document is downloaded at: 2020-12-20T00:57:25Z

Title Palynologic study of the Akkeshi and Tokotan Formations of the NemuroGroup, eastern Hokkaido

Author(s) Takahashi, Kiyoshi

Citation 長崎大学教養部紀要. 自然科学篇. 1991, 31(2), p.169-513

Issue Date 1991-01

URL http://hdl.handle.net/10069/16617

Right

NAOSITE: Nagasaki University's Academic Output SITE

http://naosite.lb.nagasaki-u.ac.jp

Figs. 1 a, b:

Figs. 2a, b.

Figs. 3a, b.

Figs. 4a-c.

Fig. 5.

Figs. 6, 7.

Explanation of plate 12(All figures magnified X 1000 unless otherwise mentioned)

Cibotiidites cf. zonatus RossGN 5516, AKK-07.Ischyosporites cf. crateris BlameGN 5682, OCH -09.Trilites pustulosus Takahashi &SugiyamaGN 5664, OCH -08.Varirugosisporites sp.GN 5663, OCH-08; fig. 4 a: X 400; fig. 4 b, c: X 600.Pterisisporites sp.GN 5651, OCH-06.Pterisisporites verrucatus n. sp.Fig. 6a-c: holotype; GN5559,AKK-ll; fig. 7: GN5538, AKK-lO.

TAIlAIIA$H1 l'lal.e 12

50

Explanation of plate 13(All figures magnified X 1000)

Figs. 1 a, b. Pterisisporites cf. bellus Song, Li & ZhongGN 5616, OCH-04.

Figs. 2, 4, 6. Pterisisporites hokkaidoensis n. sp.Figs. 2 a, b: GN 5558, AKK-11; fig. 4: GN 5548, AKK-10;fig. 6 a, b: holotype; GN 5580, AKK-12.

Fig. 3. Pterisisporites trizonatus Song, Li &ZhongGN 5545, AKK-10.

Fig. 5, 7, 8. Pterisisporites rotundusn. sp.Fig. 5: GN5559,AKK-ll; figs. 7a, b: GN5650,OCH-06;figs. 8 a, b: holotype; GN 5677, OCH-09.

Fig. 9. Converrucosisporites triquetrus (Ibrahim) Potoni~& KrempGN 5574, AKK-12.

Figs. 10 a -c. Converrucosisporites solidus (Potoni~) Thomson & PflugGN 5683, OCH-09.

Fig. 11. Biretisporites potoniaei Delcourt & SprumontGN 5514, AKK-07.

P1ale 13

11

1b,.

Explanation of plate 14(All figures magnified X 1000)

Figs. 1, 5. Pterisisporites rotundus n. sp.Fig. la, b:GN5513,AKK-07;figs. 5a, b:GN5691,OCH-10.

Figs. 2 a, b. Pterisisporites cf. bellus Song, Li & ZhongGN 5519, AKK-07.

Figs. 3, 4. Pterisisporites ochiishiensis n. sp.Fig. 3a, b: GN5633,OCH-05; fig. 4a, b: holotype;GN 5659, OCH-06.

Figs. 6 a -c. Corrugatisporites solidus (Potonie) Thomson &PflugGN 5682,. OCH-09.

Fig. 7. Pterisisporites sp.GN 5582, OCH-02.

Figs. 8 a, b. Multinodisporites taizhouensis LiuGN 5663, OCH-08.

Figs. 9, 10. Undulatisporites subtriangulatus n. sp.Fig. 9: GN 5659, OCH-06; figs. 10 a, b: holotype; GN 5693, OCH-10.

Fig. 11. ? Trilites sp.GN 5725, CHO-Ol.

Pblt 14

6b

5.

2b

5.

,.

- 9

50

~,,10. 11 7

Explanation of plate 15(All figures magnified X 1000)

Fig. 1. Retitriletes sp.GN 5655, OCH-06.

Figs. 2-4, 7, 8, 11, 12. Laevigatosporites convexus n. sp.Fig. 2: GN 5618, OCH-04; fig. 3: GN 5685, OCH-09;fig. 4: holotype; GN 5646, OCH-06; fig. 7: GN 5680, OCH-09;fig. 8 a, b: GN 5682, OCH-09; fig. 11: GN 5633; OCH-05;

fig. 12: GN 5633, OCH-05.Figs. 5, 6. Laevigatosporites prominens Takahashi

Fig. 5: GN 5646, OCH-06; fig. 6: GN 5602, OCH-03.

Figs. 9, 10, 13. Laevigatosporites dehiscens TakahashiFig. 9: GN 5559, AKK-ll; fig. 10: GN 5685, OCH-09;fig. 13: GN 5622, OCH-04.

Fig. 14, 15. Laevigatosporites tenuis n. sp.Fig. 14: GN 5618, OCH-04; fig. 15: GN 5665, OCH-08.

Explanation of plate 16(All figures magnified X 1000)

Fig. 1-6, 9-14. Laevigatosporites dehiscens TakahashiFig. 1: GN 5616, OCH-04; fig. 2: GN 5565, AKK-ll;fig. 3: GN 5536, AKK-lO; fig. 4: GN 5605, OCH-03;figs. 5 a, b: GN 5726, CHO-01; fig. 9: GN 5678, COH-09;fig. 10: GN 5683, OCH-09; fig. 11: GN 5616, OCH-04;fig. 12: GN 5568, AKK-11; fig. 13: GN 5612, OCR-03;

fig. 14: GN 5640, OCR-05.

Fig. 7. Laevigatosporites senonicus Takahashi

GN 5618, OCH-04.Fig. 8. Laevigatosporites haardti (Potoni~&Venitz) Thomson & Pflug

GN 5658, OCH-06.Figs. 15 a, b. Monoleiotriletes cf. gracilis Krutzsch

GN 5616, OCH-04..

TAKAIIASIl' I'late 16

5b 9

10 11

Explanation of plate 17(All figures magnified X 1000)

Fig. 1. Laeuigatosporites cf. bisulcatoides KrutzschGN 5623, OCH-04.

Figs. 2, 20, 21. Laeuigatosporites gracilis Wilson & WebsterFig. 2: GN 5667, OCH-08; fig. 20: GN 5501, AKK-05;fig. 21: GN 5583, OCH-02.

Figs. 3, 4, 6-8. Laeuigatosporites dehiscens TakahashiFig. 3: GN 5682, OCH-09; fig. 4: GN 5546, AKK-10;

fig. 6: GN 5513, AKK-07; fig. 7, GN 5634, OCH-05;fig. 8: GN 5574, AKK-12.

Figs. 5, 10-16. Laeuigatosporites senonicusTakahashiFig. 5: GN 5520, AKK-07; fig. 10: GN 5603, OCH-03;fig. 11: GN 5646, OCH-06; fig. 12: GN 5646, OCH-06;fig. 13: GN 5549, AKK-lO; fig. 14: GN 5607, OCH-03;fig. 15: GN5567, AKK-ll: fig. 16: GN5624,OCH-04.

Fig. 9. Laevigatosporites ovoideus TakahashiGN 5586, OCH-02.

Figs. 17 a, b. Laevigatosporites sp.GN 5631, OCH-05.

Figs. 18, 22 a, b. Laeuigatosporites bellus n. sp.Fig. 18: GN 5545, AKK-lO; fig. 22 a, b: GN 5617, OCH-04,

TAUItASm !,late 17

,

"

18 20 21 22. 22b

Explanation of plate 18(All figures magnified X 1000 unless otherwise mentioned)

Figs. I, 6. Laevigatosporites terruis n. sp.Fig. 1: GN 5631, OCH-05; fig. 6: holotype; GN 5584, OCH-02.

Figs. 2-5, 9, 11. Laevigatosporites bellus n. sp.Fig. 2: holotype; GN5565,AKK-ll; fig. 3: GN5504,AKK-05;fig. 4(?): GN 5502, AKK-5: fig. 5: GN 5647, OCH-06;fig. 9: GN 5502, AKK-05; fig. l1:GN 5725, CHO-01.

Figs. 7, 8, 10, 12-16. Laevigatosporites senonicus TakahashiFig. 7: GN 5546, AKK-10; fig. 8: GN 5579, AKK-12;fig. 10: X 600; GN 5519, AKK-07; fig. 12: GN 5582, OCH-02;fig. 13: GN 5698, OCH-lO; fig. 14: eN 5582, OCH-02;fig. 15: GN 5637, OCH-05; fig. 16: eN 5502, AKK-05.

Fig. 17. Punctatosporites sp.GN 5573, AKK-12.

Figs. 18-23. Laeuigatosporites uedae n. sp.Fig. 18: eN 5550, AKK-I0; fig. 19: GN 5619, OCH-04;fig. 20: holotype; GN 5638, OCH-05; fig. 21: GN 5683, OCH-09;fig. 22: GN 5644, OCH-05; fig. 23: GN 5608, OCH-03.

Figs. 24-25. Extrapunctatosporis micropunctatus n. sp.Fig. 24: holotype; GN 5646, OCH-06; fig. 25: GN 5694, OCH-I0.

Fig. 26. &hinosporis sp.eN 5574, AKK-12.

Fig. 27. Monoleiotriletes minimus KrutzschGN 5621, OCH-04.

Plale 18

•

7

Fig. 8.

Figs. 9a, b.

Figs. 10, 11.

Fig. 12.

Fig. 13.

Fig. 14.

Explanation of plate 19

(All figures magnified X 1000)

Figs. 1, 2. Laevigatosporites probatus TakahashiFig. 1: GN 5504, AKK-05; fig. 2: GN 5534, AKK-09.

Fig. 3. Extrapunctatosporis cf. alveolatus (Couper) Krutzsch

GN 5517, AKK-07.

Fig. 4. Extrapunctatosporis sp.

GN 5700, OCH-10.

Figs. 5 a, b. Gemmatosporis sp. a

GN 5677, OCH-09.

Fig. 6. Gemmatosporissp. b

GN 5558, AKK-11.

Figs. 7 a, b. Gemmatosporis sp. c

GN 5516, AKK-07.

Verrucatosporites sp.GN 5625, OCH-04.

Polypodiidites repandus (Takahashi) Krutzsch

GN 5677, OCH-09.

Verrucatosporites tenellis (Krutzsch) Krutzsch

Fig. 10: GN 5506, AKK-05; fig. 11: GN 5509, AKK-05.

Verrucatosporites favus (Potoni~) Thomson & Pflug gracilis Krutzsch

GN 5655, OCH - 06.

Deltoidospora microlepioldes (Krutzsch) Wang

GN 5502, AKK-05.

Pterisisporites hokkaidoensis n. sp.

GN 5724, CHO-Ol.

TUA"ASIII I'late 19

9.

5b

5.

8

Fig. 1 a-c.

Fig. 2.

Fig. 3.

Figs. 4-6.

Figs. 7, 8.

Fig. 9.

Fig. 10.

Fig. 11.

Figs. 12, 13.

Figs. 14a, b.

Figs. 15-17.

Explanation of plate 20(All figures magnified X 1000 unless otherwise mentioned)

Inderminable megaspore (?), Triletes sp.GN 5658, OCH-06; fig. 1 c: X 600.Punctatisporites punctus PflugGN 5646, OCH-06.Diuisisporites sp.GN 5525, AKK-09.Punctatisporites minor n. sp.Fig. 4: GN 5567, AKK-11; fig. 5: holotype; GN 5582, COH-02;

fig. 6: GN 5579. AKK-12.Stereisporites sp. bFig. 7: GN 5538, AKK-lO; fig. 8: GN 5523, AKK-09.Biretisporites cf. incrassatus Takahashi & ShimonoGN 5609, OCH-03.? Zliuisporites sp.GN 5725, CHO-Ol.Laeuigatosporites senonicus TakahashiGN 5582, OCR-02.Latosporites subrotundus n. sp.Fig. 12: GN 5683, OCH-09; fig. 13: GN 5679, OCH-09.Corrusporis globouerrucatus KrutzschGN 5646, OCH-06.Cupressacites cuspidatae/ormis (Zaklinskaja) KrutzschFig. 15 a, b: GN 5582, OCR-02; fig. 16: GN 5646, OCH-06;fig. 17: GN 5634, OCH-05.

THAIIASIl'•

3

I'late 2(1

1b

.4

Explanation of plate 21(All figures magnified X 1000)

Figs. 1-8. Cupressacites ochiishiwanensis n. sp.Fig. 1, 5-8: GN 5646, OCH-06; fig. 6: holotype;fig. 2: GN 5651, OCH-06; fig. 3: GN 5624, OCH-04;fig. 4: GN 5603, OCH-03.

Figs. 9-13. lnaperturopollenites laevigatus TakahashiFig. 9: GN 5506, AKK-05; fig. 10: GN 5503, AKK-05;fig. 11: GN 5562, AKK-ll; fig. 12: GN 5511, AKK-07;fig. 13: GN 5606, OCH-03.

Figs. 14-16, 22. lnaperturopollenites dubius CPotonil'3 & Venitz) Thomson & PflugFig. 14: GN 5541, AKK-10; fig. 15: GN 5503, AKK -05;fig. 16: GN 5619, OCH-04; fig. 22: GN 5582, OCH-02.

Fig. 17. &iadospityspollenites sp.GN 5583, OCH-02.

Figs. 18- 21. Inaperturopollenites parvus TakahashiFig. 18: GN 5537, AKK-I0; fig. 19: GN 5545, AKK-lO;fig. 20: GN 5511, AKK-07; fig. 21: GN 5560, AKK-11.

Fig. 23. ? Classopollis sp.GN 5521, AKK-09.

Figs. 24, 25. Psophosphaera aggereloides CMaljavkina) ChlonovaFig. 24: GN 5680, OCH-09; fig. 25: GN 5646, OCH-06.

Fig. 26. Araucariacites australis Cookson ex CouperGN 5601, OCH-03.

-,,"

I'lull 21

Explanation of plate 22(All figures magnified X 1000 unless otherwise montioned)

Figs. 1 a, b, 4, 9. Psophosphaera pseudotsugoides KrutzschFigs. la, b:GN5566,AKK-ll;fig. 4:GN5507,AKK-05;fig. 9: GN 5542, AKK-10; fig 1 b, 4, 9: X 600.

Figs. 2, 3, 5-7. Psophosphaera aggereloides (Maljavkina) ChlonovaFig. 2: GN 5602, OCR-03; fig. 3: GN 5650, OCH-06;fig. 5: GN 5502, AKK-05; fig. 6: GN 5513, AKK-07;fig. 7: GN 5564, AKK-11.

Fig. 8. Psophosphaera sp.GN 5624, OCH-04.

,

Piau 22

Explanation of plate 23(All figures magnified X 1000)

Fig. 1. Cycadopites cf. /ollicularis Wilson & WebsterGN 5601, OCH-03.

Fig. 2. Ephedripites (Distachyapites) cf. /usiformis (Shakmundes) KrutzschGN 5501, AKK-05.

Fig. 3. Cycadopites cf. sculptigracilis KrutzschGN 5559, AKK -11.

Figs. 4, 5, 12, 13. Cycadopites microfollicularis Krutzsch'Fig. 4: GN 5528, AKK-09; fig. 5: GN 5618, OCH-04;fig. 12: GN 5515, AKK-07; fig. 13: GN 5582, OCH-02.

Fig. 6. ? Cycadopites minutus KrutzschGN 5563, AKK-11.

Figs. 7-10. Cycadopites laeuis n. sp.Fig. 7: GN 5619, OCH-09; fig. 8: GN 5622, OCH-04;fig. 9: holotype; GN 5639, OCR-05; fig. 10: GN 5723, CHO-OI.

Fig. 11. Monosulcites sp.GN 5618, OCH-04.

Fig. 14. Cycadopites cf. minimus (Cookson) Krutzsch

GN 5582, OCH-02.Figs. 15, 16. Ephedripites (Ephedripites) robustus n. sp.

Fig. 15: GN 5574, AKK-12; fig. 16: holotype; GN 5726, CHO-01.Fig. 17. Ephedripites (Ephedripites) uiesenensis Krutzsch

GN 5507, AKK-05.Fig. 18, 19. Ephedripites(Ephedripites) cf. da/engshauensis Zhu & Wu

Fig. 18: GN 5513, AKK-07; fig. 19: GN 5513, AKK-07.Figs. 20-24. Ephedripites (Ephedripites) angustus n. sp.

Fig. 20: GN 5504, AKK-05; fig. 21: GN 5506, AKK-05;fig. 22: GN 5542, AKK-10; fig. 23: holotype; GN 5502, AKK-05;fig. 24: GN 5567, AKK-II.

Figs. 25-29. Ephedripites (Spiralipites) ellipsoideus (Takahashi) TakahashiFig. 25: GN5575,AKK-12; fig. 26: GN5507,AKK-05;fig. 27: GN 5556, AKK-11; figs. 28 a, b: GN 5558, AKK-11;fig. 29: GN 5663, OCH-08.

Fig. 30. Ephedripites (Spiralipites) sp.GN 5649, OCH-06.

T........ KASOl' PIau 23

5

"2120

Explanation of plate 24(All figures magnified X 1000 unless otherwise mentioned)

Fig. 1. Ephedripites (Spiralipites) ellipsoideus (Takahashi) TakahashiGN 5538, AKK-10.

Fig. 2. Ephedripites (Spiralipites) kulandyensis Bolkhovitina n. comb.GN 5572, AKK-12.

Figs .3 a, b. ? Perinomonoletes sp.GN 5544, AKK-10.

Fig. 4. Vitreisporites pallidus (Reissinger) NilssonGN 5665, OCB-08.

Figs. 5 a, b. Indeterminable coniferous pollen (?)

GN 5609, OCB-03.Figs. 6-10. Pityosporites alatipollenites (Rouse) Takahashi & Sugiyama

Fig. 6: GN 5586, OCB-02; fig. 7 a, b: GN 5703, DCB-13;fig. 8: GN 5631, OCB-05; fig. 9: GN 5517, AKK-07;fig. 10: GN 5684, OCB-09.

Fig. 11. Pityosporites pristinipollinius (Travisan) KrutzschGN 5655, OCB-06; X 600.