“…Plotted occurrences range from Tithonian to Campanian or Maastrichtian. Key to symbols: Ca = Capillithyris (Cox and Middlemiss, 1978;Middlemiss, 1978); Cr = Cretirhynchia (Pettitt, 1950); K = Kingena (Elliott, 1952;Owen, 1970; New Zealand Geological Survey, G. R. Stevens, personal commun. ); L = Lamellaerhynchia (Burri, 1956;Owen and Thurrell, 1968;Thomson and Owen, 1979; Lamellaerhynchia recorded from the United States by Ager et al, 1963 andAger, 1964;Owen, 1981, considered the 1963 record a Cyclothyris)\ Pe = Penzhinothyris (Smirnova and Pergament, 1969;Thomson and Owen, 1979); Pt = Ptilorhynchia (Crickmay, 1933;Dagys, 1968;Owen, 1972;Thomson and Owen, 1979;Sandy, 1990aSandy, , 1990b; R = Rectithyris (Cox and Middlemiss, 1978); Ro = Rossithyris (Owen, 1980a); T = Terebratulina (Middlemiss, 1976;Owen, 1980a).…”