1026-8774 1026-8774 S1026-87742005000100065 Mexico Mexico USA Germany 00 00 2005 00 00 2005 22 1 65 87

1977 1 151-66 1965 21 1-53 1930 67 7 7 297-310 1956 806 1957 1987 19 4-67 1996 403 1797 160-390 1984 27 89-98 1906 23 216 1912 29 264 1919 33 135 1930 49-50 280 1909 1895 1 1-55 2002 6 406 1985 413 1984 393-414 1991 62 1932 14-21 1-222 1954 31 46-9 1898 5 813-20 1905 266 1-172 1898 3 483-947 1901 28 1-119 1850 1 428p 1925 2 1-13 1981 18 101-55 1961 7-236 1890 18 275-92 1978 132 137 1975 86 39-55 1828 565 1995 1 131-43 1988 73 103-44 2000 27 63-146 1991 134 1852 413 2001 21 3 3 160 1996 82 1900 502-92 1940 14 393-411 1980 1062 134 International Zoological Code 2000 Cuarta edición 156 1809 473 2003 35 4 4 14 2002 159 2003 36 5 5 510 1989 418 1860 419 1989 59 43-125 1994 105 91-108 1994 105 7-38 1998 207 185-206 1891 365 North American Commission on Stratigraphic Nomenclature (NACSN) 1983 67 5 5 841-75 1978 758 1999 463-92 2003 16 143-65 1977 1 1-4 1882 110 1984 157 1988 7 52-66 1990 9 51-61 1991 8 13-27 1912 38 33-148 1924 1 1-29 1925 1 7 7 111-64 1927 2 1-6 1-6 945 1915 13 305-400 1890 848 1985 381 1973 63 277 277 107-320 1991 109-28 1991 156 1994 46 2000 6 249-62 1869 2 181-256 1958 110 93-164 1968 132 7-190 1884 893 1895 971