Hunanotoechia tieni Ma, 1993b

Ma, Xue-Ping, Sun, Yuan-Lin, Hao, Wei-Cheng & Liao, Wei-Hua, 2002, Rugose corals and brachiopods across the Frasnian- Famennian boundary in central Hunan, South China, Acta Palaeontologica Polonica 47 (2), pp. 373-396 : 386

Hunanotoechia tieni Ma, 1993b

Fig. 10R, S .

Hunanotoechia tieni gen. et sp. nov.; Ma 1993b: 723–724, text−figs. 2–6, pl. 1: 1–7, pl. 2: 1–6.

Material.—Around 300 specimens (200 from the Shetianqiao section and 100 from the Xikuangshan section).

Remarks.—This species is abundant in the late Frasnian of the Xikuangshan area and the Shetianqiao section. However, in the latter place, it is generally somewhat smaller than in Xikuangshan. For detailed description, see Ma (1993b).

Occurrence.—Central Hunan; Late Frasnian (?Lower, Upper Pa. rhenana Zone through Pa. linguiformis Zone ).

Figures

Fig. 10. A–F. Sinalosia rugosa gen. et sp. nov., sample S−Y−2. A–C. Ventral, dorsal and lateral views of holotype PUM 00017; × 2. D. Ventral view of paratype PUM 00019 showing its chevron ornamentation, × 2. E, F. Ventral and dorsal views of paratype PUM 00021; × 2. G–I. Hypothyridina linglingensis Wang, 1956a; sample S−Y−4, lateral, ventral and posterior views of PUM 00027; × 1.25. J–Q. Hunanotoechia gamma (Tien, 1938), sample S−Y−2. J. Ventral view of PUM 00042 showing the presence of only two sinal plications, × 3. K–O. Lateral, dorsal, posterior, anterior and ventral views of PUM 00051; × 3. P. Dorsal view of PUM 00041 showing a specimen with growth bizarre ventral beak, × 3. Q. Dorsal view of PUM 00054 showing the deltidial plates, × 5. R, S. Hunanotoechia tieni Ma, 1993; sample S−25−2, PUM 00053, enlarged dorsal view (R) showing the deltidial plates and the foramen, × 4 and ventral view (S), × 3.