0187-893X 0187-893X S0187-893X2021000500027 10.22201/fq.18708404e.2021.4.80330 Mexico 00 00 2021 00 00 2021 32 spe 27 42

2009 1177-80 2012 32 32 325-50 2020 2002 2013 61 4 4 131-7 1966 3-14 1991 2 2 2 72-8 1990 2009 20 1 1 6-11 2001 1947 2000 41 41 17-8 Facultad de Química Facultad de Química 1975 2000 2007 2000 2000 2020 2020 3-22 1995 1974 249 810-2 2020 127-40 1999 37 3 3 275-316 The Nobel Prize 1995 UCMP, The University of California Museum of Paleontology, Berkeley the Regents of the University of California 2007 UCMP, The University of California Museum of Paleontology, Berkeley the Regents of the University of California 2021 31 1 1 3-9