Fig. 8 in Frasnian-Famennian extinction and recovery of rhynchonellid brachiopods from the East European Platform

Fig. 8. Early Frasnian (Pa.transitansZone)Ripidiorhynchus from Main Devonian Field, northwestwern Russia. A–D. Ripidiorhynchusaldogus (Nalivkin, 1941), CNIGR 40/6993, ventral, dorsal, anterior, and lateral views. Pskov beds, Sjas River, Konopljankina village. E–P. Ripidiorhynchuslivonicus (Buch, 1834). E–H. CNIGR 45/6993, ventral, dorsal, anterior, and lateral views. Chudovo beds, Velikaya River, Vybuty rapids. I–L. CNIGR 47/6993, ventral, dorsal, anterior, and lateral views. Chudovo beds, Kerest River, Luki village. M–P. CNIGR 37/6993, in ventral, dorsal, anterior, and lateral views. Pskov beds, Velikaya River. All × 1.5