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Fig. 5 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 5 Shanggang. Detailed stratigraphic log of the studied interval of the Shanggang section showing the distribution of conodont taxa and the δ13Crecord throughout the Smithian and Spathian part of the Luolou Formation. The LMHs and UAZ are indicated. Note the gap because of low carb angle faulting in the upper part of the black shales

Fig. 6 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 6 Lilong. Detailed stratigraphic log of the studied interval of the Lilong section showing the distribution of conodont taxa and the δ13Ccarb record throughout the late Smithian and Early Spathian part of the Luolou Formation. The LMHs and UAZs are indicated

Fig. 7 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 7 Youping Cascade. Detailed stratigraphic log of the studied interval of the Youping Cascade section showing the distribution of conodont taxa and the δ13Crecord throughout the late Smithian and Early Spathian part of the Luolou Formation. The LMHs and UAZs are indicated carb

Fig. 9 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 9 Position of the UAZs in the studied sections Qiakong, Laren, Shanggang, Lilong and Youping Cascade. The lithological units are simplified and represented from unit III to unit Vc. Note the ammonoid zones recorded from Laren, Shanggang, Lilong and Youping Cascade

Fig. 4 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 4 Laren. Detailed stratigraphic log of the studied interval of the Laren section showing the distribution of conodont taxa and the δ13Ccarb record throughout the Smithian and Spathian part of the Luolou Formation. The LMHs and UAZs are indicated

Fig. 2 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 2 Pictures from four of the five studied sections in the Nanpanjiang basin. A Qiakong, B Shanggang, C Laren (Kuang Guodun for scale), D Lilong (Hugo Bucher for scale)

Fig. 3 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 3 Qiakong. Detailed stratigraphic log of the studied interval of the Qiakong section showing the distribution of conodont taxa and the δ13Ccarb record throughout the middle Smithian part of the Daye Formation and the late Smithian to Spathian Luolou Formation. The LMHs and UAZs are indicated

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Figure 13. Characteristic conodonts from Baghuk Mountain section A in Baghuk Mountain (Central Iran): high-resolution stratigraphy of a continuous Central Tethyan Permian-Triassic boundary section

Figure 13. Characteristic conodonts from Baghuk Mountain section A (scale bars = 100 µm), oral and oblique views; all specimens stored in the collection of the Islamic Azad University, Tehran North Branch (IAUTNB). (a) Clarkina orientalis (Barskov and Koroleva, 1970), specimen IAUTNB#115; −8.90 m. (b) Clarkina subcarinata (Sweet in Teichert et al., 1973), specimen IAUTNB#137; −7.50 m. (c) Clarkina changxingensis (Wang and Wang, 1981), specimen IAUTNB#142; −5.00 m. (d) Clarkina deflecta (Wang and Wang, 1981), IAUTNB#189; −2.50 m. (e) Clarkina bachmanni Kozur, 2004, specimen IAUTNB#162; −3.90 m. (f) Clarkina nodosa Kozur, 2004, specimen IAUTNB#203; −2.20 m. (g) Clarkina yini Mei in Mei et al., 1998, specimen IAUTNB#215; −1.95 m. (h) Clarkina abadehensis Kozur, 2004 specimen IAUTNB#231; −0.25 m. (i) Clarkina hauschkei Kozur, 2004, specimen IAUTNB#250; −0.05 m. (j) Hindeodus parvus (Kozur and Pjatakova, 1976), specimen IAUTNB#251; +2.15 m. (k) Isarcicella staeschei Dai and Zhang, 1989, specimen IAUTNB#265; +3.75 m. (l) Isarcicella isarcica (Huckriede, 1958), specimen IAUTNB#264; +3.75 m.

Fig. 26 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 26 Cornudininae from Qiakong, Laren and Shanggang. Magnification is × 80. The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A–W Urdyella unicorna n. gen. n. sp.; A LAR225, PIMUZ 39345; B LAR225, PIMUZ 39346; C LAR229, PIMUZ 39347; D LAR227, PIMUZ 39348; E LAR229, PIMUZ 39349; F LAR229, PIMUZ 39350; G LAR225, PIMUZ 39351; H LAR229, PIMUZ 39352; I QIA123, PIMUZ 39353; J LAR227, PIMUZ 39354; K QIA123, PIMUZ 39355; L QIA123, PIMUZ 39356; M LAR227, PIMUZ 39357; N LAR225, PIMUZ 39358; O QIA120, PIMUZ 39359; P LAR225, PIMUZ 39360; Q QIA121, PIMUZ 39361; R LAR232, PIMUZ 39362; S LAR232, PIMUZ 39363; T QIA124, PIMUZ 39364; U LAR232, PIMUZ 39365; V QIA123, PIMUZ 39366; W SHA341, PIMUZ 39367. X-AA Urdyella tridenta n. gen. n. sp.; X LAR227, PIMUZ 39341; Y LAR227, PIMUZ 39342; Z LAR227, PIMUZ 39343; AA LAR227, PIMUZ 39344. AB, AC Discretella? n. sp. D; AB QIA124, PIMUZ 39118; AC QIA123, PIMUZ 39119. AD Neostrachanognathus n. sp. A; LAR232, PIMUZ 39183. AE Urdyella n. sp. A; LAR232, PIMUZ 39340

Fig. 18 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 18 Novispathodinae from Laren and Lilong. Magnification is × 80. The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A, B, D, F, L–N, Q, S, T Novispathodus praebrevissimus n. sp.; A LIL506, PIMUZ 39274; B LAR207, PIMUZ 39275; D LIL508, PIMUZ 39276; F LIL507, PIMUZ 39277; L LIL507, PIMUZ 39278; M LIL509, PIMUZ 39279; N LIL507, PIMUZ 39280; Q LIL507, PIMUZ 39281; S LIL507, PIMUZ 39282; T LIL507, PIMUZ 39283. C, O, R Novispathodus?praebrevissimus n. sp.; C LAR204, PIMUZ 39284; O LIL507, PIMUZ 39285; R LIL507, PIMUZ 39286. E, I Novispathodus ex gr. pingdingshanensis (Zhao & Orchard); E LIL507, PIMUZ 39232, I LIL507, PIMUZ 39233. G Triassospathodus aff. symmetricus (Orchard); LIL507, PIMUZ 39309. H Novispathodus ex gr. abruptus (Orchard); LIL507, PIMUZ 39212. J, K Novispathodus praebrevissimus (juvenile) n. sp.; J LIL507, PIMUZ 39287; K LIL507, PIMUZ 39288. P Novispathodus robustispinus (Zhao & Orchard); LIL507, PIMUZ 39290

Fig. 20 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 20 Novispathodinae from Qiakong, Laren and Lilong. Magnification is × 80. The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A–G, K–M, Q, X Novispathodus ex gr. abruptus (Orchard); A LAR212, PIMUZ 39213; B LAR207, PIMUZ 39214; C LAR205, PIMUZ 39215; D LAR202, PIMUZ 39216; E LAR202, PIMUZ 39217; F LIL506, PIMUZ 39218; G LAR210, PIMUZ 39219; K LIL505, PIMUZ 39220; L LIL506, PIMUZ 39221; M LIL505, PIMUZ 39222; Q LAR203, PIMUZ 39223; X QIA136, PIMUZ 39224. H, V Novispathodus sp. indet.; H QIA136, PIMUZ 39291; V, QIA134, PIMUZ 39292. I, J, P, AA Novispathodus n. sp. Z; I QIA138, PIMUZ 39247; J QIA138, PIMUZ 39248; P LIL506, PIMUZ 39249; AA QIA136, PIMUZ 39250. N, O, S Novispathodus ex gr. pingdingshanensis (Zhao & Orchard); N LIL506, PIMUZ 39234; O LIL505, PIMUZ 39235; S QIA136, PIMUZ 39236. R sp. indet.; LIL511, PIMUZ 39296. T, Y, Z Novispathodus n. sp. A; T QIA134, PIMUZ 39256, Y QIA135, PIMUZ 39257; Z QIA134, PIMUZ 39258. U Novispathodus expansus (Zhao & Orchard); QIA134, PIMUZ 39242. W Novispathodus gryphus n. sp.; QIA135, PIMUZ 39246

Fig. 16 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 16 Neogondolellinae, Novispathodinae and Mullerinae from Shanggang and Youping cascade. Magnification is × 80. The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A, F, M Discretella? n. sp. C; A YC16, PIMUZ 39115; F YC16, PIMUZ 39116; M SHA342C, PIMUZ 39117. B Discretella? n. sp. B; YC16, PIMUZ 39113. C Discretella aff. discreta (MÜller); YC22, PIMUZ 39106. D, S Discretella discreta (MÜller); D YC16, PIMUZ 39110; S SHA304C, PIMUZ 39111. E Novispathodus ex gr. abruptus (Orchard); YC41, PIMUZ 39225. G–I, K, L, N, O Discretella pseudodieneri n. sp.; G YC16, PIMUZ 39124; H YC25, PIMUZ 39125; I SHA304C, PIMUZ 39126; K YC22, PIMUZ 39127, L YC25, PIMUZ 39128; N SHA304C, PIMUZ 39129; O SHA343C, PIMUZ SQL54979. J Guangxidella bransoni (MÜller); YC16, PIMUZ 39140. P–R Neospathodus bevelledi n. sp.; P SHA 304C, PIMUZ 39178; Q SHA333C, PIMUZ 39179; R YC12, PIMUZ 39180

Fig. 13 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 13 Gladigondolellinae, Neogondolellinae and Cornudininae from Qiakong, Laren, Shanggang and Lilong. Magnification is × 80. The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A Borinella buurensis (Dagis), LAR212, PIMUZ 39103. B, C, G Gladigondolella laii (morphotype A); B LAR231C, PIMUZ 39132; C BAN2, PIMUZ 39133; G LAR227C, PIMUZ 39134. D, sp. indet.(P2 element?), SHA319, PIMUZ 39293. E, F, H, I Gladigondolella laii (morphotype B); E LIL510, PIMUZ 39135; F LIL512, PIMUZ 39136; H QIA140, PIMUZ 39137; I LIL510, PIMUZ 39138. J–L, O, Spathicuspus spathi (Sweet); J QIA141, PIMUZ 39300; K QIA144, PIMUZ 39301; L BAN1, PIMUZ 39302; O SHA322, PIMUZ 39303. M, P Spathicuspus n. sp. A; M QIA144, PIMUZ 39297; P, QIA143, PIMUZ 39298. N, R Spathicuspus spathi (juvenile) (Sweet); N, LIL515D, PIMUZ 39304; R QIA143, PIMUZ 39305. Q Spathicuspus n. sp. B; LAR226C, PIMUZ 39299

Fig. 17 in A Unitary Association-based conodont biozonation of the Smithian-Spathian boundary (Early Triassic) and associated biotic crisis from South China

Fig. 17 Novispathodinae from Qiakong, Laren, Shanggang, and Lilong. Magnification is × 80. The scale bar is 400 μm. All elements are considered to be P1 elements if not specifically identified otherwise. A–C, J, T, AA Novispathodus ex gr. pingdingshanensis (Zhao & Orchard); A, QIA138, PIMUZ 39226; B QIA138, PIMUZ 39227; C LAR202, PIMUZ 39228; J QIA136, PIMUZ 39229; T LIL504, PIMUZ 39230; AA LIL508, PIMUZ 39231. D–F, M–P, R, S, U, X, AB, AD Novispathodus pingdingshanensis (Zhao & Orchard); D QIA135, PIMUZ 39259; E LIL508, PIMUZ 39260; F LIL506, PIMUZ 39261; M LIL506, PIMUZ 39262; N LIL506, PIMUZ 39263; O LIL507, PIMUZ 39264; P LIL506, PIMUZ 39265; R LIL508, PIMUZ 39266; S LAR204, PIMUZ 39267; U LIL507, PIMUZ 39268; X LIL508, PIMUZ 39269; AB LIL508, PIMUZ 39270; AD LIL508, PIMUZ 39271. G, I, Q Novispathodus cf.?gryphus n. sp.; G QIA136, PIMUZ 39204; I QIA136, PIMUZ 39205; Q QIA135, PIMUZ 39206. H, K, L Novispathodus gryphus n. sp.; H QIA135, PIMUZ 39243; K LIL506, PIMUZ 39244; L LIL506, PIMUZ 39245. V Novispathodus praebrevissimus n. sp.; LIL507, PIMUZ 39273. W, Y, Z, AE Novispathodus ex gr. abruptus (Orchard); W LIL505, PIMUZ 39208; Y SHA346, PIMUZ 39209; Z LIL506, PIMUZ 39210; AE SHA346, PIMUZ 39211. AC sp. indet.; LIL504, PIMUZ 39295. AF Novispathodus pingdingshanensis (P1 cluster) (Zhao & Orchard); QIA136, PIMUZ 39272

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Figure 1. Siberigondolella gen. nov. A–H, W–Z in Siberigondolella gen. nov., a Boreal Early Triassic lanceolate conodont

Figure 1. Siberigondolella gen. nov. A–H, W–Z) S. composita (A–H after Dagys, 1984, p. 22, pl. XIV, figs. 1–8; W–Z after Klets and Yadrenkin, 2001, p. 17, pl. 1, figs. 5–6), G is holotype; I–P) S. jakutensis, (after Dagys, 1984, p. 10, pl. I, figs. 10–12, pl. II, figs. 1–5), V) S. cf. jakutensis (after Klets and Yadrenkin, 2001, p. 18, pl. 1, fig. 1); Q–R) S. sibirica (after Dagys, 1984,p. 8, pl. I, figs. 8–9); S–U) S. altera (after Klets and Yadrenkin, 2001, p. 16, pl. 1, figs. 10–11). Approximate scale bar is 500 µm.

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Figure 2 in Siberigondolella gen. nov., a Boreal Early Triassic lanceolate conodont

Figure 2. Siberigondolella gen. nov. lineage (modified after Orchard, 2007). In the absence of a possible phylogenetic link, thelineage is disconnected from Griesbachian Neogondolellinae.

Fig. 16. Conodont P1 in Geometric morphometric analysis and taxonomic revision of the Gzhelian (Late Pennsylvanian) conodont Idiognathodus simulator from North America

Fig. 16. Conodont P1 elements of Idiognathodus luganicus (Kozitskaya, 1978) from the Heebner Shale (Gzhelian, Late Pennsylvanian). A. SUI 141094 TT0200); Sedan 11. B. SUI 141095 (TT0209); Clinton 12. C. SUI 141098 (TT0285); Clinton 12. D. SUI 141096 (TT0284); Clinton 12. E. SUI 141097 TT0141); Clinton 28. F. SUI 141099 (TT0018); Clinton 15. G. SUI 141100 (TT0026); I229-83. H. SUI14101 (TT0016); Clinton 14. I. SUI 14102 TT0119); Sedan 20. J. SUI 141103 (TT0118); Sedan 20. K. SUI 141104 (TT0102); Sedan 12.

Fig. 15. Conodont P1 in Geometric morphometric analysis and taxonomic revision of the Gzhelian (Late Pennsylvanian) conodont Idiognathodus simulator from North America

Fig. 15. Conodont P1 elements of Idiognathodus lateralis sp. nov. (A–M) and Idiognathodus praenuntius (Chernykh, 2005) (N–T) from the Heebner Shale, Gzhelian (Late Pennsylvanian). A. SUI 141062 (TT0228); Sedan 11. B. SUI 141063 (TT0233); Sedan 11. C. SUI 141064 (TT0050); Clinton 20. D., SUI 141065 (TT0019); Clinton 22. E. SUI 141066 (TT0168); Sedan 23. F. SUI 141067 (TT0261); Sedan 11. G. SUI 141068 (TT0260); Sedan 11. →

Fig. 14. Conodont P1 in Geometric morphometric analysis and taxonomic revision of the Gzhelian (Late Pennsylvanian) conodont Idiognathodus simulator from North America

Fig. 14. Conodont P1 elements of Idiognathodus auritus (Chernykh, 2005) from the Heebner Shale, Gzhelian (Late Pennsylvanian). A. SUI 141042 (TT0314); Sedan 17. B. SUI 141043 (TT0311); Sedan 24. C. SUI 141044 (TT0251); Sedan 11. D. SUI 141045 (TT0222); Clinton 12. E. SUI 141046 (TT0251); Sedan 11. F. SUI 141047 (TT0235); Sedan 11. G. SUI 141048 (TT0256); Sedan 11. H. SUI 141049 (TT0095); I229-83. I. SUI 141050 (TT0093); Clinton 21. J . SUI 141051 (TT0094); I229-83. K. SUI 141052 (TT0221); Clinton 12. L. SUI 141053 (TT0169); Sedan 23. M. SUI 141054 (TT0167); Sedan 23.

Fig. 12 in Geometric morphometric analysis and taxonomic revision of the Gzhelian (Late Pennsylvanian) conodont Idiognathodus simulator from North America

Fig. 12. Canonical variation (CV) cross-plots and wireframes for all grooved sinistral (A) and dextral (B) elements, using locality (red, Clinton; green, I-229; blue, Sedan) as the group-defining criterion. Gray wireframes, mean form provided by the preliminary Procrustes fit; black wireframes, form achieved with values of the corresponding canonical variate.