World's Best Scientists 2026 revealed!
VIEW LIST
Todd A. Castoe

D-Index & Metrics

Ecology and Evolution

D-Index
53
Citations
12345
World Ranking
3254
National Ranking
1153

Todd A. Castoe publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Todd A. Castoe sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 141 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Todd A. Castoe D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Todd A. Castoe sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 53 D-Index — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Overview

Todd A. Castoe is affiliated with The University of Texas at Arlington in the United States. Their research primarily spans the fields of Biochemistry, Genetics, and Molecular Biology, with additional contributions to Environmental Science. Within these areas, Castoe has focused extensively on Genetics, Molecular Biology, Global and Planetary Change, Parasitology, and Infectious Diseases.

The main topics explored in Castoe's work include Venomous Animal Envenomation and Studies, Amphibian and Reptile Biology, Genetic Diversity and Population Structure, Genomics and Phylogenetic Studies, Animal Behavior and Reproduction, and Parasites and Host Interactions.

Castoe has published multiple papers across various venues, with notable articles including:

  • "Evolutionary origins of the SARS-CoV-2 sarbecovirus lineage responsible for the COVID-19 pandemic," 2020, Nature Microbiology
  • "Evolutionary origins of the SARS-CoV-2 sarbecovirus lineage responsible for the COVID-19 pandemic," 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • "Snake Recombination Landscapes Are Concentrated in Functional Regions despite PRDM9," 2020, Molecular Biology and Evolution
  • "Specimen collection is essential for modern science," 2023, PLoS Biology
  • "Snakes on a plain: biotic and abiotic factors determine venom compositional variation in a wide-ranging generalist rattlesnake," 2023, BMC Biology

Frequent publication venues for Castoe include bioRxiv (Cold Spring Harbor Laboratory), Genome Biology and Evolution, Scientific Reports, Toxicon, and Molecular Biology and Evolution.

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Genome Biology and Evolution
  • Scientific Reports
  • Toxicon
  • Molecular Biology and Evolution

The scientist has collaborated extensively with several coauthors, among whom the most frequent are:

  • Blair W. Perry
  • Drew R. Schield
  • Stephen P. Mackessy
  • Cara F. Smith
  • Zachary L. Nikolakis

Best Publications

  • Repetitive Elements May Comprise Over Two-Thirds of the Human Genome

    A. P. Jason de Koning;Wanjun Gu;Todd A. Castoe;Mark A. Batzer

  • Evolutionary origins of the SARS-CoV-2 sarbecovirus lineage responsible for the COVID-19 pandemic.

    Maciej F. Boni;Philippe Lemey;Xiaowei Jiang;Tommy Tsan Yuk Lam

  • The genome of the green anole lizard and a comparative analysis with birds and mammals

    Jessica Alföldi;Federica Di Palma;Manfred Grabherr;Christina Williams

  • The king cobra genome reveals dynamic gene evolution and adaptation in the snake venom system

    Freek J. Vonk;Freek J. Vonk;Freek J. Vonk;Nicholas R. Casewell;Nicholas R. Casewell;Christiaan V. Henkel;Alysha M. Heimberg

  • Three crocodilian genomes reveal ancestral patterns of evolution among archosaurs

    Richard E. Green;Edward L. Braun;Joel Armstrong;Dent Earl

  • The western painted turtle genome, a model for the evolution of extreme physiological adaptations in a slowly evolving lineage

    H. Bradley Shaffer;Patrick Minx;Daniel E. Warren;Andrew M. Shedlock;Andrew M. Shedlock

  • Evidence for an ancient adaptive episode of convergent molecular evolution.

    Todd A. Castoe;A. P Jason De Koning;Hyun Min Kim;Wanjun Gu;Wanjun Gu

  • The Burmese python genome reveals the molecular basis for extreme adaptation in snakes

    Todd A. Castoe;Todd A. Castoe;A. P. Jason de Koning;A. P. Jason de Koning;Kathryn T. Hall;Daren C. Card

  • Rapid microsatellite identification from illumina paired-end genomic sequencing in two birds and a snake

    Todd A. Castoe;Alexander W. Poole;A. P. Jason de Koning;Kenneth L. Jones

  • Bayesian mixed models and the phylogeny of pitvipers (Viperidae: Serpentes).

    Todd A. Castoe;Christopher L. Parkinson

  • Data Partitions and Complex Models in Bayesian Analysis: The Phylogeny of Gymnophthalmid Lizards

    Todd A. Castoe;Tiffany M. Doan;Christopher L. Parkinson

  • Rapid identification of thousands of copperhead snake (Agkistrodon contortrix) microsatellite loci from modest amounts of 454 shotgun genome sequence

    Todd A. Castoe;Alexander W. Poole;Wanjun Gu;A. P. Jason de Koning

  • Comparative phylogeography of pitvipers suggests a consensus of ancient Middle American highland biogeography

    Todd A. Castoe;Juan M. Daza;Eric N. Smith;Mahmood M. Sasa

  • Comparative Phylogeographic Analyses Illustrate the Complex Evolutionary History of Threatened Cloud Forests of Northern Mesoamerica

    Juan Francisco Ornelas;Victoria Sosa;Douglas E. Soltis;Juan M. Daza

  • LTR Retrotransposons Contribute to Genomic Gigantism in Plethodontid Salamanders

    Cheng Sun;Donald B. Shepard;Donald B. Shepard;Rebecca A. Chong;José López Arriaza

  • Phylogeographic structure and historical demography of the western diamondback rattlesnake (Crotalus atrox): A perspective on North American desert biogeography.

    Todd A. Castoe;Carol L. Spencer;Christopher L. Parkinson

  • Sciurid phylogeny and the paraphyly of Holarctic ground squirrels (Spermophilus).

    Matthew D. Herron;Todd A. Castoe;Christopher L. Parkinson

  • The origins and evolution of chromosomes, dosage compensation, and mechanisms underlying venom regulation in snakes.

    Drew R. Schield;Daren C. Card;Nicole R. Hales;Blair W. Perry

  • Using regional comparative phylogeographic data from snake lineages to infer historical processes in Middle America

    Juan M. Daza;Todd A. Castoe;Christopher L. Parkinson

  • Sequencing three crocodilian genomes to illuminate the evolution of archosaurs and amniotes

    John A St John;Edward L Braun;Sally R Isberg;Lee G Miles

  • Erratum: Rapid microsatellite identification from illumina paired-end genomic sequencing in two birds and a snake(PLoS ONE 7:2(e30953) 10.1371/journal.pone.0030953)

    Todd A. Castoe;Alexander W. Poole;A. P Jason De Koning;Kenneth L. Jones

Frequent Co-Authors

David D. Pollock
David D. Pollock University of Colorado Denver
Stephen P. Mackessy
Stephen P. Mackessy University of Northern Colorado
David A. Ray
David A. Ray Texas Tech University
Scott V. Edwards
Scott V. Edwards Harvard University
Wesley C. Warren
Wesley C. Warren University of Missouri
Cédric Feschotte
Cédric Feschotte Cornell University
Kerstin Lindblad-Toh
Kerstin Lindblad-Toh Uppsala University
Chris P. Ponting
Chris P. Ponting University of Edinburgh
Matthew Breen
Matthew Breen North Carolina State University
Patrick Minx
Patrick Minx Washington University in St. Louis

External Links

Personal website of Todd A. Castoe

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing a degree in Ecology and Evolution can open doors to various career pathways—both within environmental sciences and in interdisciplinary fields. For those interested in complementing their ecological studies with healthcare expertise, numerous flexible online options are available.

For example, some students transition into nursing, where understanding ecosystems and global health intersect. If you’re curious about how long does it take to be a nurse practitioner, you’ll find there are streamlined routes based on your prior education. Registered nurses can enroll in fast-track programs, such as rn to bsn online options, which offer completion in as little as six months.

For those with an ADN, bridge programs like adn to fnp are available online, helping students advance to a master’s or family nurse practitioner role. Even if you don’t have a nursing background, it’s now possible to enter the field efficiently with online direct entry msn programs designed for non-nurses.

These flexible online learning paths make it easier for science graduates to explore rewarding careers that contribute to both environmental and human well-being.

Best Scientists Citing Todd A. Castoe

Juan J. Calvete

Juan J. Calvete

Spanish National Research Council

Publications: 72

Libia Sanz

Libia Sanz

Spanish National Research Council

Publications: 39

Lukáš Kratochvíl

Lukáš Kratochvíl

Charles University

Publications: 39

David A. Ray

David A. Ray

Texas Tech University

Publications: 36

Scott V. Edwards

Scott V. Edwards

Harvard University

Publications: 35

Bruno Lomonte

Bruno Lomonte

University of Costa Rica

Publications: 35

José María Gutiérrez

José María Gutiérrez

University of Costa Rica

Publications: 32

Miguel Trefaut Rodrigues

Miguel Trefaut Rodrigues

Universidade de São Paulo

Publications: 29

Juan Francisco Ornelas

Juan Francisco Ornelas

Instituto de Ecología

Publications: 26

Robert W. Murphy

Robert W. Murphy

University of Toronto

Publications: 25

Kenneth L. Jones

Kenneth L. Jones

University of California, San Diego

Publications: 24

Travis C. Glenn

Travis C. Glenn

University of Georgia

Publications: 23

Guojie Zhang

Guojie Zhang

Zhejiang University

Publications: 23

Stephen P. Mackessy

Stephen P. Mackessy

University of Northern Colorado

Publications: 23

Wolfgang Wüster

Wolfgang Wüster

Bangor University

Publications: 20

Nicole Valenzuela

Nicole Valenzuela

Iowa State University

Publications: 20

Trending Scientists

Dirk Volkmer

Dirk Volkmer

University of Augsburg

Valérie Cormier-Daire

Valérie Cormier-Daire

Necker-Enfants Malades Hospital

Yu Jian Cheng

Yu Jian Cheng

University of Electronic Science and Technology of China

Yi Tang

Yi Tang

Nanyang Technological University

Kankar Bhattacharya

Kankar Bhattacharya

University of Waterloo

Charissa S. L. Cheah

Charissa S. L. Cheah

University of Maryland, Baltimore County

Nina Simmons-Mackie

Nina Simmons-Mackie

Southeastern Louisiana University

Carmen Buchrieser

Carmen Buchrieser

Institut Pasteur

Elena Gorokhova

Elena Gorokhova

Stockholm University

Robin W. Carrell

Robin W. Carrell

University of Cambridge

Sarah J. Butcher

Sarah J. Butcher

University of Helsinki

Masja de Haas

Masja de Haas

Sanquin

Frank G. Shi

Frank G. Shi

University of California, Irvine

Rohit Negi

Rohit Negi

Carnegie Mellon University

Tohru Fushiki

Tohru Fushiki

Kyoto University

Roger Bouillon

Roger Bouillon

KU Leuven

Related Ecology and Evolution Rankings & Guides

2026 EdS vs. EdD Degrees: Explaining the Difference

2026 EdS vs. EdD Degrees: Explaining the Difference
2026 Online School Counseling Degree Programs Costs: Tuition & Fees

2026 Online School Counseling Degree Programs Costs: Tuition & Fees
2026 How to Become a Special Education Teacher in Washington: Requirements & Certification

2026 How to Become a Special Education Teacher in Washington: Requirements & Certification
2026 How to Become a Middle School Math Teacher in Texas: Requirements & Certification

2026 How to Become a Middle School Math Teacher in Texas: Requirements & Certification
2026 Fastest Online Master’s Programs in Educational Leadership

2026 Fastest Online Master’s Programs in Educational Leadership
2026 Library Science Degree vs. Certificate: Which Should You Choose?

2026 Library Science Degree vs. Certificate: Which Should You Choose?
2026 How to Become a Preschool Teacher Assistant in Florida: Requirements & Certification

2026 How to Become a Preschool Teacher Assistant in Florida: Requirements & Certification
2026 Cheapest Way to Get a Teaching Credential for Arizona: Requirements & Certification

2026 Cheapest Way to Get a Teaching Credential for Arizona: Requirements & Certification
2026 Fastest Online Ed.S Degree in Special Education Programs

2026 Fastest Online Ed.S Degree in Special Education Programs
2026 Online Doctor of Education (EdD) Programs with No Residency Requirement

2026 Online Doctor of Education (EdD) Programs with No Residency Requirement
2026 How to Become a Librarian in Wyoming

2026 How to Become a Librarian in Wyoming
2026 How to Become a Paraprofessional: Education, Salary, and Job Outlook

2026 How to Become a Paraprofessional: Education, Salary, and Job Outlook
2026 Most Affordable Online Elementary Education Programs

2026 Most Affordable Online Elementary Education Programs
2026 Substitute Teaching License & Requirements in Georgia

2026 Substitute Teaching License & Requirements in Georgia
2026 Best Online Bachelor’s in Education Programs

2026 Best Online Bachelor’s in Education Programs
2026 Most Affordable Online Master’s in Early Childhood Education

2026 Most Affordable Online Master’s in Early Childhood Education
2026 Fastest Online Alternative Teacher Certification Programs

2026 Fastest Online Alternative Teacher Certification Programs
2026 Substitute Teaching License & Requirements in Hawaii

2026 Substitute Teaching License & Requirements in Hawaii
2026 Can You Be a Teacher with an Associate's Degree?

2026 Can You Be a Teacher with an Associate's Degree?
2026 Credit Requirements for an Early Childhood Education Degree Explained

2026 Credit Requirements for an Early Childhood Education Degree Explained
2026 Easiest Online Teaching Master's Degree Programs That Pay Well: High-Salary Degrees with Simple Admissions

2026 Easiest Online Teaching Master's Degree Programs That Pay Well: High-Salary Degrees with Simple Admissions

Recently Published Articles

2026 Innovation Career Hotspots: Cities With the Best Pay, Job Openings, and Growth

2026 Innovation Career Hotspots: Cities With the Best Pay, Job Openings, and Growth
2026 How to Become an OB-GYN Medical Assistant: Salary & Career Paths

2026 How to Become an OB-GYN Medical Assistant: Salary & Career Paths
2026 Fastest Online Art Studies Degree Programs You Can Finish in Under 2 Years

2026 Fastest Online Art Studies Degree Programs You Can Finish in Under 2 Years
2026 How to Become a Licensed Pharmacist in Utah

2026 How to Become a Licensed Pharmacist in Utah
2026 Substitute Teaching License & Requirements in Oklahoma

2026 Substitute Teaching License & Requirements in Oklahoma
2026 Am I Eligible for a Sociology Degree Master's Program? Admission Checklist & Options

2026 Am I Eligible for a Sociology Degree Master's Program? Admission Checklist & Options
2026 AI Bachelor's Degree Programs That Offer Laptop Loaner Programs

2026 AI Bachelor's Degree Programs That Offer Laptop Loaner Programs
2026 How to Become a Special Education Teacher in Pittsburgh, PA: Education Requirements & Certification

2026 How to Become a Special Education Teacher in Pittsburgh, PA: Education Requirements & Certification
2026 Nutrition Master's Programs With Bridge or Foundation Courses

2026 Nutrition Master's Programs With Bridge or Foundation Courses
2026 Professional Writing Career Hotspots: Cities With the Best Pay, Job Openings, and Growth

2026 Professional Writing Career Hotspots: Cities With the Best Pay, Job Openings, and Growth
2026 Top Industries Hiring Forensic Science Graduates: Demand, Pay, and Growth Trends

2026 Top Industries Hiring Forensic Science Graduates: Demand, Pay, and Growth Trends
2026 What Can I Do With an Associate's in Computer Science?

2026 What Can I Do With an Associate's in Computer Science?
2026 Care Coordination Career Hotspots: Cities With the Best Pay, Job Openings, and Growth

2026 Care Coordination Career Hotspots: Cities With the Best Pay, Job Openings, and Growth
2026 Fastest Online Organizational Leadership Master's Degree Programs You Can Finish in Under 2 Years

2026 Fastest Online Organizational Leadership Master's Degree Programs You Can Finish in Under 2 Years
2026 Best Accelerated Nurse Practitioner NP Online Programs

2026 Best Accelerated Nurse Practitioner NP Online Programs
2026 Best Nurse Practitioner Programs in Arizona – Accredited Schools Online & Campus

2026 Best Nurse Practitioner Programs in Arizona – Accredited Schools Online & Campus
2026 Different Types of Human Services Degrees and Their Salaries

2026 Different Types of Human Services Degrees and Their Salaries
2026 What Job Postings Reveal About Machine Learning Careers: Skills, Degrees, and Experience Employers Want

2026 What Job Postings Reveal About Machine Learning Careers: Skills, Degrees, and Experience Employers Want
2026 Fastest Online SLP Programs That Still Meet ASHA Standards

2026 Fastest Online SLP Programs That Still Meet ASHA Standards
2026 Last-Minute Admissions: Online Clinical Mental Health Counseling Degree Master's Programs Still Accepting Students

2026 Last-Minute Admissions: Online Clinical Mental Health Counseling Degree Master's Programs Still Accepting Students
2026 Top Industries Hiring Space Studies Graduates: Demand, Pay, and Growth Trends

2026 Top Industries Hiring Space Studies Graduates: Demand, Pay, and Growth Trends