| Turtles of the world: annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status SA Thomson Phyllomedusa: Journal of Herpetology 20 (2), 225-228, 2021 | 965* | 2021 |
| Spatial tests of the pesticide drift, habitat destruction, UV‐B, and climate‐change hypotheses for California amphibian declines C Davidson, HB Shaffer, MR Jennings Conservation Biology 16 (6), 1588-1601, 2002 | 511 | 2002 |
| Genome 10K: a proposal to obtain whole-genome sequence for 10 000 vertebrate species Genome 10K Community of Scientists Journal of Heredity 100 (6), 659-674, 2009 | 486 | 2009 |
| The decline of amphibians in California’s Great Central Valley RN Fisher, HB Shaffer Conservation biology 10 (5), 1387-1397, 1996 | 481 | 1996 |
| The role of natural history collections in documenting species declines HB Shaffer, RN Fisher, C Davidson Trends in ecology & evolution 13 (1), 27-30, 1998 | 470 | 1998 |
| Tests of turtle phylogeny: molecular, morphological, and paleontological approaches HB Shaffer, P Meylan, ML McKnight Systematic Biology 46 (2), 235-268, 1997 | 440 | 1997 |
| Declines of the California red‐legged frog: Climate, UV‐B, habitat, and pesticides hypotheses C Davidson, H Bradley Shaffer, MR Jennings Ecological Applications 11 (2), 464-479, 2001 | 390 | 2001 |
| Troubleshooting molecular phylogenetic analyses MJ Sanderson, HB Shaffer Annual review of ecology and Systematics 33 (1), 49-72, 2002 | 383 | 2002 |
| The western painted turtle genome, a model for the evolution of extreme physiological adaptations in a slowly evolving lineage H Bradley Shaffer, P Minx, DE Warren, AM Shedlock, RC Thomson, ... Genome biology 14, 1-23, 2013 | 373 | 2013 |
| Turtles and tortoises are in trouble CB Stanford, JB Iverson, AGJ Rhodin, PP van Dijk, RA Mittermeier, ... Current biology 30 (12), R721-R735, 2020 | 352 | 2020 |
| Phylogenetic hypotheses for the turtle family Geoemydidae PQ Spinks, HB Shaffer, JB Iverson, WP McCord Molecular phylogenetics and evolution 32 (1), 164-182, 2004 | 326 | 2004 |
| Incorporating model complexity and spatial sampling bias into ecological niche models of climate change risks faced by 90 C alifornia vertebrate species of concern DL Warren, AN Wright, SN Seifert, HB Shaffer Diversity and distributions 20 (3), 334-343, 2014 | 317 | 2014 |
| The polytypic species revisited: genetic differentiation and molecular phylogenetics of the tiger salamander Ambystoma tigrinum (Amphibia: Caudata) complex HB Shaffer, ML McKnight Evolution 50 (1), 417-433, 1996 | 305 | 1996 |
| Assessing concordance of fossil calibration points in molecular clock studies: an example using turtles TJ Near, PA Meylan, HB Shaffer The American Naturalist 165 (2), 137-146, 2005 | 301 | 2005 |
| Global conservation status of turtles and tortoises (order Testudines) AGJ Rhodin, CB Stanford, PP Van Dijk, C Eisemberg, L Luiselli, ... Chelonian conservation and biology 17 (2), 135-161, 2018 | 289 | 2018 |
| Amphibian upland habitat use and its consequences for population viability PC Trenham, HB Shaffer Ecological Applications 15 (4), 1158-1168, 2005 | 285 | 2005 |
| Landscape genetics and least‐cost path analysis reveal unexpected dispersal routes in the California tiger salamander (Ambystoma californiense) IJ Wang, WK Savage, H Bradley Shaffer Molecular ecology 18 (7), 1365-1374, 2009 | 271 | 2009 |
| Rapid spread of invasive genes into a threatened native species BM Fitzpatrick, JR Johnson, DK Kump, JJ Smith, SR Voss, HB Shaffer Proceedings of the National Academy of Sciences 107 (8), 3606-3610, 2010 | 256 | 2010 |
| Delimiting species in recent radiations HB Shaffer, RC Thomson Systematic biology 56 (6), 896-906, 2007 | 249 | 2007 |
| Effects of chytrid and carbaryl exposure on survival, growth and skin peptide defenses in foothill yellow-legged frogs C Davidson, MF Benard, HB Shaffer, JM Parker, C O'Leary, JM Conlon, ... Environmental science & technology 41 (5), 1771-1776, 2007 | 220 | 2007 |
