共 23 条
- [1] BLANKENHORN, 1886, PALAEONTOGRAPH, V32, P135
- [2] BRONGNIART A, 1828, ANN SCI NAT 1, V15
- [3] BRONN, 1858, N JAHRB MIN, P139
- [4] DAWSON, 1874, J GEOLOGICAL SOC AUG
- [5] ELOISE G, 1910, ANN BOT, V24, P119
- [6] FONTAINE, 1883, MONOGRAPHS US GEOL S, V6
- [7] GOTHAN, 1911, NATURWISSENSCHAFTLIC
- [8] GOTHAN W, 1905, ANAT LEBENDER FOSS, P12
- [9] Hollick A., 1909, MEM NY BOT GARD, V3, P1, DOI DOI 10.5962/BHL.TITLE.44790
- [10] JEFFREY EC, 1912, P AM ACAD ARTS SCI, V48