The beginning of the age of mammals

[1] COPE ED, 1888, T AM PHILOS SOC, V16, P208

[2] DECHARDIN PT, 1916, ANN PALEONTOL, V11, P1

[3] DECHARDIN PT, 1916, ANN PALEONTOL, V10, P171

[4] Gidley J. W., 1923, Proceedings of the United States National Museum, V63, P1

[5] Granger W, 1917, B AM MUS NAT HIST, V37, P821

[6] Granger W, 1914, B AM MUS NAT HIST, V33, P201

[7] GRANGER W, 1928, AM MUS NOVIT, P1

[8] GREGORY, 1926, AM MUS NOVIT, P1

[9] GREGORY WILLIAM KING, 1934, PROC AMER PHIL SOC, V73, P169

[10] JEPSEN G. L., 1930, PROC AMER PHILOSOPH SOC, V69, P463

[1] COPE ED, 1888, T AM PHILOS SOC, V16, P208

[2] DECHARDIN PT, 1916, ANN PALEONTOL, V11, P1

[3] DECHARDIN PT, 1916, ANN PALEONTOL, V10, P171

[4] Gidley J. W., 1923, Proceedings of the United States National Museum, V63, P1

[5] Granger W, 1917, B AM MUS NAT HIST, V37, P821

[6] Granger W, 1914, B AM MUS NAT HIST, V33, P201

[7] GRANGER W, 1928, AM MUS NOVIT, P1

[8] GREGORY, 1926, AM MUS NOVIT, P1

[9] GREGORY WILLIAM KING, 1934, PROC AMER PHIL SOC, V73, P169

[10] JEPSEN G. L., 1930, PROC AMER PHILOSOPH SOC, V69, P463