共 9 条
[1]
BANNER FT, 1960, CONTRIBS CUSHMAN F F, V11, P21
[2]
BLOW W. H., 1957, MICROPALEONTOLOGY, V3, P77, DOI 10.2307/1484336
[3]
BLOW WH, 1959, B AM PAL, V39, P178
[4]
BOLLI HM, 1957, 211 US NATL MUS B
[5]
DIETZ RS, 1953, J GEOL, V61, P107
[6]
Gordon W. A., 1961, Micropaleontology, V7, P451, DOI 10.2307/1484381
[7]
HORNIBROOK N. de B, 1958, MICROPALEONTOLOGY, V4, P25, DOI 10.2307/1484249
[8]
WELLS JW, 1956, TREATISE INVERTEBRAT, pF388
[9]
WELLS JW, 1954, US GEOL SURV PROF PA, V260, P610