Roundyella lebaensis Krömmelbein, 1958

Fig. 6F–H

Roundyella lebaensis Krömmelbein, 1958: 118, pl. 1 figs 11–15, pl. 3 figs 45–46.

Roundyella krommelbeini sp. nov. Kozur, 1991: 15, 16, pl. 7, fig. 2.

Roundyella lebaensis wangi n. subsp. Kozur, 1991: 15, 16, pl. 8, figs 2, 13.

Roundyella lebaensis — Knüpfer 1967: 76, pl. 1 fig. 1. — Ivanov 1975: 164, pl. 33 fig. 34, pl. 39 fig. 4. — Woszczyńska 1987: 188, pl. 9 figs 1–2, 8. — Olempska & Błaszyk 1996: 15, pl. 2 fig. 5, pl. 4 fig. 1.

Material examined

USA • 1 left valve; Guadalupe Mountains, West Texas, Williams Ranch Member, Cutoff Formation, Quarry section, samples GM4; Roadian, Middle Permian; MNHN.F. F63388 • 1 right valve; same locality as for preceding; Roadian, Middle Permian; MNHN.F. F63389 • 1 right valve; Guadalupe Mountains, West Texas, Williams Ranch Member, Cutoff Formation, Quarry section, samples GM1; Roadian, Middle Permian; MNHN.F. F63390 • 5 valves; Guadalupe Mountains, West Texas, Williams Ranch Member, Cutoff Formation, Quarry section, samples GM1, GM4; Roadian; MNHN.F. F63654 • 3 valves; same locality as for preceding; ‘ McKittrick Canyon’ Member, Bell Canyon Formation, MKCS1 section, sample 4 (GM5) Capitanian; Middle Permian; MNHN.F. F63480 .

Occurrence

German basin, Werrakarbonate, Zechstein (Knüpfer 1967); USSR, Baltic region, Novoakmyanskaya svita (Ivanov 1975); Polish lowlands, cyclothem PZ1, Zechstein (Woszczyńska 1987); Bükk Mountain, Hungary, Wuchiapingian, Late Permian (Kozur 1991); southwest Spitzbergen, Norway, Wuchiapingian, Late Permian (Olempska & Błaszyk 1996); samples GM1, GM4, Quarry section, Williams Ranch Member, Cutoff Formation, Roadian; sample 4 (GM5), MKCS1 section, ‘McKittrick Canyon’ Member, Bell Canyon Formation, Capitanian, Guadalupe Mountains, West Texas, USA, Middle Permian (this work).