RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 10, ES5001, doi:10.2205/2008ES000302, 2008
Appendix: Diagnostic species of various Ordovician conodont associations of the South Urals
Plate 1. Arenigian conodonts from the Polyakovka Formation.
Note!The scale coefficients are set for the plate images (pages 29-33) printed without magnification (41pc width).
1, 4, 6, 7, 9, 11-13 - Periodon flabellum (Lindström, 1954). 1 - Sc element,
specimen no. 4876/4,
53.4, lateral view, Sample 15/1; 4 - Sd element, specimen
no. 4876/5,
46, postero-lateral view, Sample 15/1; 6 - Pa element, specimen no. 4876/6,
62.7, posterior view, Sample 2; 7 - Sc element, specimen no. 4876/7,
47, lateral
view, Sample 2; 9 - Pb element, specimen no. 4876/8,
91, posterior view, Sample 2;
11 - Sd element, specimen no. 4876/9,
108, lateral view, Sample 22c; 12 - Pa element,
specimen no. 4876/11,
36.3, anterior view, Sample 22c; 13 - Pa element, specimen
no. 4876/10,
74.5, anterior view, Sample 22c; 2, 3, 5 - Oepikodus cf. O. evae
(Lindström, 1954). 2 - Pa element (mold), specimen no. 4876/3,
50, lateral view,
Sample 22b; 3 - Pa element (mold), specimen no. 4876/2,
44, lateral view, Sample 22b;
5 - Sd element, specimen no. 4876/1,
85, lateral view, Sample 22b; 8 - Paroistodus parallelus (Pander, 1856). M element, specimen no. 4876/12,
73.5, lateral view, Sample 2;
10 - Drepanoistodus forceps (Lindström, 1954). M element, specimen no. 4876/13,
56,
lateral view, Sample 22b.
Plate 2. Llanvirnian conodonts from the Polyakovka and Kuragan formations.
Note!The scale coefficients are set for the plate images (pages 29-33) printed without magnification (41pc width).
1 - Drepanodus arcuatus Pander, 1856. Sd element, specimen no. 4876/24,
48,
lateral view, Sample 7, Kuragan Formation; 2, 3 - Scalpellodus cf. S. viruensis (Löfgren,
1978). 2 - specimen no. 4876/25,
119.6, lateral view, Sample 7, Kuragan Formation;
3 - specimen no. 4876/26,
82.3, lateral view, Sample 7, Kuragan Formation;
4 - Drepanoistodus suberectus (Branson et Mehl, 1933). Sc element, specimen no. 4876/23,
108.8, lateral view, Sample 22d, Polyakovka Formation; 5, 9, 11-13 - Periodon aculeatus Hadding, 1913. 5 - Pa element, specimen no. 4876/20,
75.5, posterior view,
Sample 22d, Polyakovka Formation; 9 - Pa element, specimen no. 4876/21,
55, posterior
view, Sample 2, Kuragan Formation; 11 - M element, specimen no. 4876/18,
72.5, lateral
view, Sample 22d, Polyakovka Formation; 12 - Pb element, specimen no. 4876/22,
104,
posterior view, Sample 2, Kuragan Formation; 13 - Sd element, specimen no. 4876/19,
81.3, lateral view, Sample 22d, Polyakovka Formation; 6-8 - Pygodus serra (Hadding,
1913). 6 - Pa element, specimen no. 4876/14,
100, upper view, Sample 22d, Polyakovka
Formation; 7 - Pb element, specimen no. 4876/16,
130, lateral view, Sample 22d,
Polyakovka Formation; 8 - Pa element, specimen no. 4876/15,
117.6, upper view,
Sample 22d, Polyakovka Formation; 10 - Spinodus spinatus (Hadding, 1913). Sb
element, specimen no. 4876/17,
112, lateral view, Sample 22d, Polyakovka Formation.
Plate 3. Uppermost Llanvirnian conodonts ( Pygodus protoanserinus and
P. anserinus Beds) from the Polyakovka Formation.
Note!The scale coefficients are set for the plate images (pages 29-33) printed without magnification (41pc width).
1-4, 6, 10, 13, 17 - Periodon aculeatus Hadding, 1913. 1 - Sc element, specimen
no. 4876/27,
64.7, lateral view, Sample 58/4; 2 - Sd element, specimen no. 4876/28,
48.6, lateral view, Sample 58/4; 3 - Sc element, specimen no. 4876/29,
60.8,
lateral view, Sample 58/4; 4 - M element, specimen no. 4876/31,
56.8, lateral view,
Sample 58/4; 6 - M element, specimen no. 4876/30,
57.8, lateral view, Sample 58/4;
10 - Pa element, specimen no. 4876/32,
39.2, posterior view, Sample 58/4; 13 - Sc
element, specimen no. 4876/33,
70.6, lateral view, Sample 58/4; 17 - Sc element,
specimen no. 4876/34,
47, lateral view, Sample 25; 5, 12, 16 - Pygodus anserinus
Lamont et Lindström, 1957. 5 - Pa element, specimen no. 4876/35,
51, upper view,
Sample 58/4; 12 - Pa element, specimen no. 4876/36,
56, upper view, Sample 58/4;
16 - Pa element, specimen no. 4876/37,
62.7, upper view, Sample 25; 7-9, 11,
15 - Pygodus protoanserinus Zhang, 1998. 7 - Pa element, specimen no. 4876/40,
49,
upper view, Sample 58/4; 8 - Pa element, specimen no. 4876/41,
82.3, upper view,
Sample 58/4; 9 - Pa element, specimen no. 4876/38,
71.5, upper view, Sample 58/4;
11 - Pa element, specimen no. 4876/39,
86.2, upper view, Sample 58/4; 15 - Pa
element, specimen no. 4876/42,
68.6, upper view, Sample 25; 14 - Loxodus cf.
latibasis Ji et Barnes, 1994. Specimen no. 4876/43 (redeposited),
110, inner
lateral view, Sample 25; 18 - Pygodus cf. P. serra (Hadding, 1913). Pa element, specimen
no. 4876/44,
71.5, upper view, Sample 25.
Plate 4. Uppermost Llanvirnian-Caradocian conodonts from the Polyakovka Formation.
Note!The scale coefficients are set for the plate images (pages 29-33) printed without magnification (41pc width).
1, 5 - Pygodus anserinus Lamont et Lindström, 1957. 1 - Pb element, specimen
no. 4876/46,
74.5, lateral view, Sample 51/1; 5 - Pa element, specimen no. 4876/45,
102, upper view, Sample 51/1; 4 - Plectodina sp. Specimen no. 4876/47,
117.6,
anterior view, Sample 51/1; 2, 3 - Periodon aculeatus Hadding, 1913. 2 - Sd element, specimen
no. 4876/48,
98, inner lateral view, Sample 51/1; 3 - M element, specimen no. 4876/49,
78.4, lateral view, Sample 51/1; 8 - Drepanodus robustus Hadding, 1913. Sd element,
specimen no. 4876/50,
47, lateral view, Sample 2c; 6, 7, 9-12 - Periodon aculeatus
Hadding, 1913, transitional to Periodon grandis (Ethington, 1959). 6 - M element,
specimen no. 4876/51,
74.3, lateral view, Sample 55; 7 - Pb element, specimen
no. 4876/52,
79.4, postero-lateral view, Sample 55; 9 - Pa element, specimen no. 4876/53,
100, antero-lateral view, Sample 55; 10 - Sa element, specimen no. 4876/10,
81.3,
lateral view, Sample 55; 11 - Pb element, specimen no. 4876/55,
66.6, anterior view,
Sample 55; 12 - Sc element, specimen no. 4876/56,
110.3, lateral view, Sample 55.
Plate 5. Upper Caradocian-Ashgillian conodonts from the Polyakovka, Kuragan
(Novokursk sequence), and Baulus formations.
Note!The scale coefficients are set for the plate images (pages 29-33) printed without magnification (41pc width).
1 - Panderodus sp. Specimen no. 4876/57,
69.6, lateral view, Sample 3, Kuragan
Formation (Novokursk sequence); 2-4, 8 - Hamarodus brevirameus (Walliser, 1964).
2 - Pb element, specimen no. 4876/58,
137.2, posterior view, Sample 44/1, Polyakovka
Formation; 3 - Pb element, specimen no. 4876/59,
71.5, posterior view, Sample B-115,
Baulus Formation; 4 - Sc element, specimen no. 4876/60,
62.7, lateral view, Sample 3,
Kuragan Formation (Novokursk sequence); 8 - M element, specimen no. 4876/61,
50,
lateral view, Sample 44/1, Polyakovka Formation; 5 - Panderodus gracilis (Branson et
Mehl, 1933). S element, specimen no. 4876/62,
71.5, antero-lateral view, Sample 58/10,
Polyakovka Formation; 6, 9 - Scabbardella altipes (Henningsmoen, 1947). 6 - specimen
no. 4876/63 (redeposited),
72.5, lateral view, Sample 134, Blyava Formation;
9 - specimen no. 4876/64,
78.4, lateral view, Sample 44/1, Polyakovka Formation;
7, 14 - Dapsilodus mutatus (Branson et Mehl, 1933). 7 - specimen no. 4876/65 (redeposited),
67.6, lateral view, Sample 134, Blyava Formation; 14 - specimen no. 4876/66
(redeposited),
70.5, lateral view, Sample 134, Blyava Formation; 10, 11 - Periodon grandis (Ethington, 1959). 10 - Sd element, specimen no. 4876/67,
61.3, lateral view,
Sample 4, Kuragan Formation (Novokursk sequence); 11 - Pb element, specimen no. 4876/68,
62.7, postero-lateral view, Sample 3, Kuragan Formation (Novokursk
sequence); 12, 13 - Periodon grandis bellus (Moskalenko, 1988). 12 - Sc element,
specimen no. 4876/70,
80.4, lateral view, Sample 44/1, Polyakovka Formation;
13 - M element, specimen no. 4876/69,
44, lateral view, Sample 58/10, Polyakovka
Formation; 15 - Protopanderodus liripipus Kennedy, Barnes et Uyeno, 1979. Specimen no. 4876/71,
55, lateral view, Sample B-115, Baulus Formation; 16 - Walliserodus cf. W. nakholmensis
(Hamar, 1966). Specimen no. 4876/72 (mold),
32.3, lateral view, Sample 10, Baulus
Formation; 17 - Ansella sp. Specimen no. 4876/74,
34.3, outer lateral view, Sample 3,
Kuragan Formation (Novokursk sequence); 18 - Spinodus spinatus (Hadding, 1913). Sc
element, specimen no. 4876/75,
46, lateral view, Sample 4, Kuragan Formation
(Novokursk sequence); 19 - Protopanderodus insculptus (Branson et Mehl, 1933).
Specimen no. 4876/73,
56, lateral view, Sample 10, Baulus Formation.

Citation: Dubinina, S. V., and A. V. Ryazantsev (2008), Conodont stratigraphy and correlation of the Ordovician volcanogenic and volcanogenic sedimentary sequences in the South Urals, Russ. J. Earth Sci., 10, ES5001, doi:10.2205/2008ES000302.
Copyright 2008 by the Russian Journal of Earth Sciences
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