R. D. K. Thomas

1.0k total citations
31 papers, 737 citations indexed

About

R. D. K. Thomas is a scholar working on Paleontology, Oceanography and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, R. D. K. Thomas has authored 31 papers receiving a total of 737 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Paleontology, 9 papers in Oceanography and 7 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in R. D. K. Thomas's work include Marine Biology and Ecology Research (8 papers), Paleontology and Stratigraphy of Fossils (7 papers) and Cephalopods and Marine Biology (6 papers). R. D. K. Thomas is often cited by papers focused on Marine Biology and Ecology Research (8 papers), Paleontology and Stratigraphy of Fossils (7 papers) and Cephalopods and Marine Biology (6 papers). R. D. K. Thomas collaborates with scholars based in United States, Germany and United Kingdom. R. D. K. Thomas's co-authors include Everett C. Olson, Wolf‐Ernst Reif, Dirk Knaust, H. Allen Curran, Martin S. Fischer, Bruce Runnegar, Philip K. Maini, Anotida Madzvamuse, Andy Wathen and Adolf Seilacher and has published in prestigious journals such as Science, Genetics and Evolution.

In The Last Decade

R. D. K. Thomas

30 papers receiving 683 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
R. D. K. Thomas United States 14 412 189 171 129 109 31 737
Phillip A. Maxwell New Zealand 15 517 1.3× 356 1.9× 271 1.6× 132 1.0× 110 1.0× 26 882
Alberto M. Simonetta Italy 12 546 1.3× 248 1.3× 131 0.8× 79 0.6× 60 0.6× 49 740
David M. Rudkin Canada 14 576 1.4× 297 1.6× 107 0.6× 62 0.5× 112 1.0× 39 777
Marguerite Hugueney France 18 792 1.9× 136 0.7× 464 2.7× 112 0.9× 97 0.9× 73 1.1k
Michael Dermitzakis Greece 16 328 0.8× 333 1.8× 252 1.5× 80 0.6× 41 0.4× 40 949
Norman L. Gilinsky United States 12 395 1.0× 163 0.9× 117 0.7× 39 0.3× 59 0.5× 24 605
Luke A. Parry United Kingdom 18 882 2.1× 348 1.8× 147 0.9× 143 1.1× 142 1.3× 38 1.2k
Rachel A. Racicot United States 19 710 1.7× 277 1.5× 339 2.0× 150 1.2× 164 1.5× 38 1.1k
Joseph H. Hartman United States 14 540 1.3× 41 0.2× 126 0.7× 118 0.9× 205 1.9× 37 785
Nancy Healy‐Williams United States 14 160 0.4× 184 1.0× 254 1.5× 127 1.0× 59 0.5× 20 701

Countries citing papers authored by R. D. K. Thomas

Since Specialization
Citations

This map shows the geographic impact of R. D. K. Thomas's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by R. D. K. Thomas with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R. D. K. Thomas more than expected).

Fields of papers citing papers by R. D. K. Thomas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. D. K. Thomas. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by R. D. K. Thomas. The network helps show where R. D. K. Thomas may publish in the future.

Co-authorship network of co-authors of R. D. K. Thomas

This figure shows the co-authorship network connecting the top 25 collaborators of R. D. K. Thomas. A scholar is included among the top collaborators of R. D. K. Thomas based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with R. D. K. Thomas. R. D. K. Thomas is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Moss, David K., et al.. (2024). Latitudinal life history gradients in two Pliocene species of Glycymeris (Bivalvia). Historical Biology. 37(5). 1171–1184. 1 indexed citations
2.
Thomas, R. D. K.. (2021). Documentation by citizen scientists/naturalists of the ‘Cambrian explosion’ in Pennsylvania. Geology Today. 37(2). 57–62. 1 indexed citations
3.
Thomas, R. D. K., et al.. (2020). Pelagiella exigua, an early Cambrian stem gastropod with chaetae: lophotrochozoan heritage and conchiferan novelty. Palaeontology. 63(4). 601–627. 24 indexed citations
4.
Moss, David K., Linda C. Ivany, R. D. K. Thomas, & Donna Surge. (2018). LATITUDINAL LIFE-HISTORY GRADIENTS IN FOSSIL BIVALVES. Abstracts with programs - Geological Society of America. 1 indexed citations
5.
Moss, David K., Linda C. Ivany, R. D. K. Thomas, & Donna Surge. (2017). LATITUDINAL GRADIENTS IN LIFESPAN AND GROWTH RATE FOR TWO SPECIES OF GLYCYMERIS (BIVALVIA) FROM THE MID-PLIOCENE OF THE ATLANTIC COASTAL PLAIN. Abstracts with programs - Geological Society of America. 1 indexed citations
6.
Madzvamuse, Anotida, et al.. (2016). The moving grid finite element method applied to biological problems, In Morphogenesis and Pattern Formation in Biological Systems: Experiments and Models. Oxford University Research Archive (ORA) (University of Oxford).
7.
Thomas, R. D. K.. (2012). IMPLICATIONS OF THE OCCURRENCE OF PAIRED ANTERIOR CHAETAE IN THE LATE EARLY CAMBRIAN MOLLUSC PELAGIELLA FROM THE KINZERS FORMATION OF PENNSYLVANIA FOR RELATIONSHIPS AMONG TAXA AND EARLY EVOLUTION OF THE MOLLUSCA. 2012 GSA Annual Meeting in Charlotte. 7 indexed citations
8.
Maini, Philip K., E. J. Crampin, Anotida Madzvamuse, Andy Wathen, & R. D. K. Thomas. (2002). Implications of domain growth in morphogenesis. Oxford University Research Archive (ORA) (University of Oxford). 8 indexed citations
9.
Thomas, R. D. K., Anotida Madzvamuse, Philip K. Maini, & Andy Wathen. (2000). Growth patterns of noetiid ligaments: implications of developmental models for the origin of an evolutionary novelty among arcoid bivalves. Geological Society London Special Publications. 177(1). 279–289. 20 indexed citations
10.
Thomas, R. D. K., et al.. (2000). Evolutionary Exploitation of Design Options by the First Animals with Hard Skeletons. Science. 288(5469). 1239–1242. 64 indexed citations
11.
Thomas, R. D. K., et al.. (1993). The Skeleton Space: A Finite Set of Organic Designs. Evolution. 47(2). 341–341. 34 indexed citations
12.
Thomas, R. D. K. & Wolf‐Ernst Reif. (1993). THE SKELETON SPACE: A FINITE SET OF ORGANIC DESIGNS. Evolution. 47(2). 341–360. 76 indexed citations
13.
Thomas, R. D. K.. (1992). Molecular genetics under an embryologist's microscope: Jean Brachet, 1909-1988.. Genetics. 131(3). 515–518. 2 indexed citations
14.
Thomas, R. D. K., et al.. (1989). Numerical computation of electromagnetic scattering on the Connection Machine using the method of moments. IEEE Transactions on Magnetics. 25(4). 2907–2909. 3 indexed citations
15.
Thomas, R. D. K.. (1984). When and how did plants and animals take to the land?. Paleobiology. 10(1). 1–8. 5 indexed citations
16.
Thomas, R. D. K.. (1982). Memorial; Bernhard Kummel, 1919-1980. Journal of Paleontology. 56(5). 1322–1327. 1 indexed citations
17.
Thomas, R. D. K.. (1978). Limits to opportunism in the evolution of the Arcoida (Bivalvia). Philosophical transactions of the Royal Society of London. Series B, Biological sciences. 284(1001). 335–344. 15 indexed citations
18.
Thomas, R. D. K.. (1978). Shell form and the ecological range of living and extinct Arcoida. Paleobiology. 4(2). 181–194. 44 indexed citations
19.
Thomas, R. D. K.. (1976). Constraints of ligament growth, form and function on evolution in the Arcoida (Mollusca: Bivalvia). Paleobiology. 2(1). 64–83. 47 indexed citations
20.
Thomas, R. D. K.. (1976). Gastropod predation on sympatric Neogene species of Glycymeris (Bivalvia) from the eastern United States. Journal of Paleontology. 50(3). 488–499. 43 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Rankless by CCL
2026