Cyathus caperata? ( Guan, 1978 )

Zazzali, Sindbad, Crasquin, Sylvie, Deconinck, Jean-François & Feng, Qinglai, 2015, Biodiversity across the Guadalupian-Lopingian Boundary: first results on the ostracod (Crustacea) fauna, Chaotian section (Sichuan Province, South China), Geodiversitas 37 (3), pp. 283-313 : 300

Cyathus caperata? ( Guan, 1978)

( Fig. 14E, F )

Sinocoelonella caperata Guan in Guan et al., 1978: 149, pl. 37, fig. 17, pl. 38, fig. 1.

Cyathus caperata – Chen & Bao 1986: 111, pl. 4, fig. 3. — Shi & Chen 1987: 32, pl. 10, figs 10-18. — Yuan et al. 2009: 388, 392, pl. 1, fig. 15. — Crasquin et al. 2010: 332-334, fig. 3A-D. — Chitnarin et al. 2012: 806, fig. 4A, B, D, E. — Burrett et al. 2014: 15-16, fig. 12s, t.

MATERIAL EXAMINED. — Eight complete carapaces and two broken carapaces.

DIMENSIONS. — L= 276-453 µm; H= 174-255 µm.

OCCURRENCES. — Wugang, Hunan Province, China, Early Permian ( Guan et al. 1978); Chisia Formation, Jiangsu Province, China, Early Permian ( Chen & Bao 1986); Meishan section, Baoqing and Meishan Members, Changxing Formation, Zhejiang Province, China, Late Permian ( Shi & Chen 1987; Crasquin et al. 2010); Saiwa section, Guizhou Province, China, latest Permian ( Yuan et al. 2009); Chaiyaphum Province, North-eastern Thailand, Early Permian, Phetchabun Province, central Thailand, Early Permian and Nakhon Sawan Province, central Thailand, Middle Permian ( Chitnarin et al. 2012); E-Lert Formation, Thailand, Early Permian ( Burrett et al. 2014);?Chaotian section, Sichuan Province, China, Maokou Formation, Middle Capitanian, Middle Permian (this study, samples: 11CHAO 173, 11CHAO171, 11CHAO170, 11CHAO167, see Table 1).

REMARKS

Our specimens are very similar to C. caperata ( Guan, 1978) from the Permian of Thailand and China (see above) but differ in having longer and less arched carapaces in dorsal view and less prominent DB inflation.

Figures

FIG. 14. — Ostracods from Guadalupian-Lopingian boundary interval in South China: A, Basslerella sp.9, right lateral view of complete carapace,P6M3729, sample 11CHAO 99; B, Basslerella sp. 10, right lateral view of complete carapace, P6M3730, sample 11CHAO85; C, Basslerella sp. 11, left lateral view of complete carapace, P6M3731, sample 11CHAO100; D, Basslerella sp. 12, left lateral view of complete carapace, P6M3732, sample 11CHAO99; E, F, Cyathus caperata? (Guan, 1978); E, right lateral view of complete carapace, P6M3733, 11CHAO173; F, dorsal view of complete carapace, P6M3734, 11CHAO171; G, H, Cyathus elliptica? Shi, 1987; G, left lateral view of complete carapace, P6M3735, 11CHAO79; H, left lateral view of complete carapace, P6M3736, 11CHAO81; I-K, Hollinella martensiformis Crasquin, 2010; I, left lateral view of left valve, P6M3737, 11CHAO166; J, left lateral view of broken left valve, P6M3738, 11CHAO173; K, right lateral view of right valve, P6M3739, sample 11CHAO167; L, M, Hollinella sp. 1; L, right lateral view of broken right valve, P6M3740, sample 11CHAO72; M, right lateral view of broken right valve, P6M3741, sample 11CHAO72. Scale bar: 100 μm.