Fig. 6 in Jurassic rhynchonellide brachiopods from the Jordan Valley

Fig. 6. Serial sections of rhynchonellide brachiopod Pycnoria magna Cooper, 1989. AMNH FI−72403. Bed 25, Hamam Formation, Arda, Jordan. Numbers describe sectional distance from apex. Abbreviations: c, crus; cb, crural base; dms, dorsal median septum; dp, dental plate; isr, inner socket ridge; osr, outer socket ridge; pf, pedicle foramen; s, socket; t, tooth.