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Journal Article

Earliest Wuchiapingian (Lopingian, Late Permian) Brachiopods in Southern Hunan, South China: Implications for the Pre-Lopingian Crisis and Onset of Lopingian Recovery/Radiation Available to Purchase

Shu-Zhong Shen, Yi-Chun Zhang
Published: 01 September 2008
Journal of Paleontology (2008) 82 (5): 924–937.
DOI: https://doi.org/10.1666/07-118.1
... extinction in terms of brachiopods, a contemporaneous onset of the Lopingian recovery/radiation during the pre-Lopingian crisis period, and taxonomic selectivity of the pre-Lopingian crisis in terms of different fossil groups. New taxa are Echinauris doulingensis n. sp., Pararigbyella quadrilobata n. gen...
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View PDF for article title, Earliest Wuchiapingian (Lopingian, Late Permian) Brachiopods in Southern Hunan, South China: Implications for the Pre-Lopingian Crisis and Onset of Lopingian Recovery/Radiation
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 Figure5—1–2,Tyloplecta yangtzeensis (Chao); 1, anterior view of an articulated shell, ×1, NIGP130764; 2, interior of a dorsal valve showing the cardinal process, cardinal ridges along hinge line, median ridge and brachial scars, ×1, NIGP130765, Yejiwo; 3, Gubleria huangi Wang, Jin and Fang, internal mold of a ventral valve showing bead-like median septum, ×1, NIGP130767, Yansha; 4, Leptodus sp., external mold of a dorsal valve, ×1, NIGP130768, Yansha, ×5–11, Pararigbyella quadrilobata n. sp.; 5, ventral view of internal mold of a ventral valve, ×2, NIGP130769; 6, dorsal view of external mold of same specimen, ×2; 7, ventral view of a complete internal mold of a ventral valve, ×2, NIGP130771; 8, dorsal view of internal mold of a dorsal valve, ×2, NIGP130772; 9, dorsal view of external mold of a ventral valve, ×2, NIGP130770; 10, internal mold of a dorsal valve, ×2, NIGP130773; 11, latex cast of the specimen NIGP130773, ×2, Yansha; 12–14, Pararigbyella doulingensis n. sp.; 12, internal mold of a ventral valve showing six lobes and five wider septa, ×2, NIGP130775; 13, enlargement of NIGP130775, showing pseudopunctatae, ×8; 14, internal mold of a complete ventral valve, ×2, NIGP130774, Yansha; 15–17, Uncinunellina timorensis (Beyrich), ventral, anterior and side views of a complete internal mold, ×3, NIGP130776, Yansha; 18–21, Terebratuloidea minor Waagen, ventral, dorsal, anterior and side views of a complete internal mold, ×2, NIGP130777, Yansha; 22–23, Permophricodothyris sp., ventral and side views of a complete internal mold, ×1, NIGP130778, Yansha; 24–30, Permophricodothyris squamularioides (Huang); 24–26, ventral, dorsal and side views of a complete internal mold, ×1.5, NIGP130779; 27–30, dorsal, ventral, anterior and side views of a complete internal mold, ×1.5, NIGP130780, Yansha; 31–32,Phricodothyris asiaticus Chao; 31, ventral view of an internal mold, ×3, NIGP130781; 32, dorsal view of a complete specimen, ×1.5, NIGP130782, Yejiwo; 33–34, Martinia orbicularis Gemmellaro, dorsal and anterior views of an internal mold, ×1.5, NIGP130783, Yansha. (a.s.—adductor scar; b.s.—brachial scar; c.p.—cardinal process; l1–l6—lobes; l.r.—lateral ridge; m.r.—median ridge; m.sl.—median slit; l.sl.—lateral slit)

Figure 5 — 1–2, Tyloplecta yangtzeensis (Chao); 1 , anterior view of an... Available to Purchase

Published: 01 September 2008
and Fang, internal mold of a ventral valve showing bead-like median septum, ×1, NIGP130767, Yansha; 4 , Leptodus sp., external mold of a dorsal valve, ×1, NIGP130768, Yansha, ×5–11, Pararigbyella quadrilobata n. sp.; 5, ventral view of internal mold of a ventral valve, ×2, NIGP130769; 6 , dorsal