Eric O. Callen

513 total citations · 1 hit paper
6 papers, 370 citations indexed

About

Eric O. Callen is a scholar working on Paleontology, Molecular Biology and General Health Professions. According to data from OpenAlex, Eric O. Callen has authored 6 papers receiving a total of 370 indexed citations (citations by other indexed papers that have themselves been cited), including 2 papers in Paleontology, 1 paper in Molecular Biology and 1 paper in General Health Professions. Recurrent topics in Eric O. Callen's work include Archaeology and ancient environmental studies (2 papers), Paleopathology and ancient diseases (1 paper) and Pleistocene-Era Hominins and Archaeology (1 paper). Eric O. Callen is often cited by papers focused on Archaeology and ancient environmental studies (2 papers), Paleopathology and ancient diseases (1 paper) and Pleistocene-Era Hominins and Archaeology (1 paper). Eric O. Callen collaborates with scholars based in Canada and United States. Eric O. Callen's co-authors include T. W. M. Cameron, Paul S. Martin, Thomas W. Whitaker, Walton C. Galinat, Richard A. Yarnell, C. Earle Smith, Lawrence Kaplan and Hugh C. Cutler and has published in prestigious journals such as Economic Botany, American Antiquity and The New Scientist.

In The Last Decade

Eric O. Callen

6 papers receiving 329 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Prehistoric Diet Revealed in Coprolites

1960 218 citations Eric O. Callen, T. W. M. Cameron The New Scientist profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Eric O. Callen Canada	5	210	134	60	58	57	6	370
Sheila Mendonça de Souza Brazil	10	136 0.6×	69 0.5×	3 0.1×	11 0.2×	51 0.9×	32	276
Lucien Darjeun Meadows United States	3	254 1.2×	414 3.1×	2 0.0×	19 0.3×	25 0.4×	4	549
Rafael Lamothe-Argumedo Mexico	9	23 0.1×	100 0.7×	2 0.0×	18 0.3×	21 0.4×	34	324
Sangob Sanit Thailand	10	25 0.1×	265 2.0×	3 0.1×	104 1.8×	21 0.4×	38	323
J. C. Castell Germany	10	17 0.1×	5 0.0×	20 0.3×	16 0.3×	12 0.2×	15	387
Jean Théodoridès France	7	7 0.0×	31 0.2×	1 0.0×	20 0.3×	38 0.7×	73	192
J. F. Teixeira de Freitas Brazil	9	8 0.0×	22 0.2×	5 0.1×	111 1.9×	33 0.6×	58	533
Alex E. Brown United States	14	8 0.0×	49 0.4×	5 0.1×	435 7.5×	45 0.8×	45	504
Harvey B. Morlan United Kingdom	11	6 0.0×	111 0.8×	1 0.0×	33 0.6×	40 0.7×	17	280
Neal H. Haskell United States	8	90 0.4×	414 3.1×		34 0.6×	14 0.2×	10	431

Countries citing papers authored by Eric O. Callen

Since Specialization

Citations

This map shows the geographic impact of Eric O. Callen'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 Eric O. Callen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Eric O. Callen more than expected).

Fields of papers citing papers by Eric O. Callen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Eric O. Callen. 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 Eric O. Callen. The network helps show where Eric O. Callen may publish in the future.

Co-authorship network of co-authors of Eric O. Callen

This figure shows the co-authorship network connecting the top 25 collaborators of Eric O. Callen. A scholar is included among the top collaborators of Eric O. Callen 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 Eric O. Callen. Eric O. Callen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

6 of 6 papers shown

1.

Callen, Eric O. & Paul S. Martin. (1969). Plant Remains in Some Coprolites from Utah. American Antiquity. 34(3). 329–331. 22 indexed citations

2.

Callen, Eric O.. (1967). The First New World Cereal. American Antiquity. 32(4). 535–538. 29 indexed citations

3.

Smith, C. Earle, Eric O. Callen, Hugh C. Cutler, et al.. (1966). Bibliography of american archaeological plant remains. Economic Botany. 20(4). 446–460. 4 indexed citations

4.

Callen, Eric O.. (1965). Food habits of some pre-columbian Mexican Indians. Economic Botany. 19(4). 335–343. 76 indexed citations

5.

Callen, Eric O. & T. W. M. Cameron. (1960). Prehistoric Diet Revealed in Coprolites. The New Scientist. 8(190). 35–40. 218 indexed citations breakdown →

6.

Callen, Eric O.. (1959). STUDIES IN THE GENUS LOTUS (LEGUMINOSAE): I. LIMITS AND SUBDIVISIONS OF THE GENUS. Canadian Journal of Botany. 37(1). 157–165. 21 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.

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