Aurikirkbya wordensis (Hamilton, 1942)

Fig. 6C, E

Kirkbya wordensis Hamilton, 1942: 713–714, pl. 110 fig. 13.

Aurikirkbya wordensis – Sohn 1950: pl. 7, figs 1–13.

Material examined

USA • 1 left valve; Guadalupe Mountains, West Texas, ‘ McKittrick Canyon’ Member, Bell Canyon Formation, MKCS1 section, sample 2 (GM6); Capitanian, Middle Permian; MNHN.F. F63385 • 1 valve; Guadalupe Mountains, West Texas, Williams Ranch Member, Cutoff Formation, Quarry section, sample GM4; Roadian; MNHN.F. F63387 • 1 valve; same locality as for preceding; ‘ McKittrick Canyon’ Member, Bell Canyon Formation, MKCS1 section, sample 4 (GM5); Capitanian, Middle Permian; MNHN.F. F63479 .

Occurrence

Texas, USA, Roadian, Middle Permian (Hamilton 1942; Sohn 1950); sample GM4, Quarry section, Williams Ranch Member, Cutoff Formation, Roadian; samples GM5 and GM6, MKCS 1 section, ‘McKittrick Canyon’ Member, Bell Canyon Formation, Guadalupe Mountains, West Texas, USA, Capitanian, Middle Permian (this work).