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Bryan Carstens

@bryanccarstens.bsky.social
1K followers 164 following 37 posts

Evolutionary biologist at The Ohio State University, Director of the Tetrapod Collection at the Museum of Biological Diversity, founding editor of the SSB Bulletin; bat aficionado, dad of two great kids, married to a writer of scary stories.

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Bryan Carstens @bryanccarstens.bsky.social · 28/03/2026
Ohio fish at the MBD Open House #MBDOPENHOUSE2026
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Bryan Carstens @bryanccarstens.bsky.social · 28/03/2026
Getting ready for the MBD Open House!! #MBDOPENHOUSE2026
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Bryan Carstens @bryanccarstens.bsky.social · 26/02/2026
The first two articles of Volume 5 of the Bulletin of the Society of Systematic Biologists are now published at ssbbulletin.org.
ssbbulletin.org
Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 21/11/2025
The SSB Bulletin just published a detailed monograph about Halichondria sponges written by Thomas Turner and colleagues. See more at ssbbulletin.org/article/id/5.... @systbiol.bsky.social @systassn.bsky.social @journalsysevo.bsky.social
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Bryan Carstens @bryanccarstens.bsky.social · 26/09/2025
My department is searching for TT faculty in Arthropod Systematics evol.mcmaster.ca/brian/evoldi... The museum community is vibrant with excellent training opportunities for graduate students and postdocs. And we have 500+ smart and ambitious biology majors at OSU looking for research opportunities.
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Bryan Carstens @bryanccarstens.bsky.social · 13/08/2025
It's great to see Sydney Decker's paper on the highly accessed list over at Frontiers of Biogeography: biogeography.pensoft.net/browse_journ.... Lots of interesting papers published by this journal in the last few years.
biogeography.pensoft.net
Frontiers of Biogeography
 Launched to support biogeographic researchFrontiers of Biogeography (FoB) is the scientific journal of The International Biogeography Society (TIBS, biogeography.org), a not-for-profit orga...
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Bryan Carstens @bryanccarstens.bsky.social · 17/07/2025
Newly published research on Adephaga beetles by Cody Cardenas et al. published in the Bulletin of the Society of Systematic Biologists: ssbbulletin.org/index.php/bs.... @systbiol.bsky.social @eeob.bsky.social
ssbbulletin.org
Global Integration of Phylogenomic Data and Fine-Scale Partitioning Strategies Refine the Evolutionary Tree of Adephaga Beetles | Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 26/06/2025
Bats of a feather: Range characteristics and wing morphology predict phylogeographic breaks in volant vertebrates biogeography.pensoft.net/articles.php...
biogeography.pensoft.net
Bats of a feather: Range characteristics and wing morphology predict phylogeographic breaks in volant vertebrates
Intraspecific genetic variation and phylogeographic structure can be influenced by factors such as landscape features, environmental gradients, historical biogeography and organismal traits such as di...
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Bryan Carstens @bryanccarstens.bsky.social · 16/05/2025
All articles in the Species Network Special issue of the SSB Bulletin are available here: ssbbulletin.org/index.php/bs.... Thanks to Claudia Solís-Lemus and George Tiley for their editorial work on this issue. @systbiol.bsky.social @ssbbulletin.bsky.social
ssbbulletin.org
Species Networks Special Issue | Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 23/04/2025
@ssbbulletin.bsky.social @systbiol.bsky.social We are happy to announce that all articles in the Species Network special issue edited by Claudia Solís-Lemus George Tiley have now been published. You can view the special issue here: ssbbulletin.org/index.php/bs...
ssbbulletin.org
Species Networks Special Issue | Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 15/04/2025
Bats of a feather: Range characteristics and wing morphology predict phylogeographic breaks in volant vertebrates biogeography.pensoft.net/articles.php...
biogeography.pensoft.net
Bats of a feather: Range characteristics and wing morphology predict phylogeographic breaks in volant vertebrates
Intraspecific genetic variation and phylogeographic structure can be influenced by factors such as landscape features, environmental gradients, historical biogeography and organismal traits such as di...
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Carl T. Bergstrom @carlbergstrom.com · 08/02/2025
1. Today the NIH director issued a new directive slashing overhead rates to 15%. I want to provide some context on what that means and why it matters. grants.nih.gov/grants/guide...
grants.nih.gov
NOT-OD-25-068: Supplemental Guidance to the 2024 NIH Grants Policy Statement: Indirect Cost Rates
NIH Funding Opportunities and Notices in the NIH Guide for Grants and Contracts: Supplemental Guidance to the 2024 NIH Grants Policy Statement: Indirect Cost Rates NOT-OD-25-068. OD
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Bryan Carstens @bryanccarstens.bsky.social · 21/10/2024
We're happy to announce the publication of a new paper by Danielle Parsons that models hidden species in Salamanders. journals.plos.org/plosone/arti.... We describe how our predictive model identifies climatic variables as predictive of hidden diversity in Caudata. @systbiol.bsky.social
journals.plos.org
Predicting genetic biodiversity in salamanders using geographic, climatic, and life history traits
The geographic distribution of genetic variation within a species reveals information about its evolutionary history, including responses to historical climate change and dispersal ability across vari...
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Bryan Carstens @bryanccarstens.bsky.social · 29/07/2024
Hope to see everyone tomorrow at our symposium @peer.Baku.social @systbiol.bsky.social @ssbbulletin.bsky.social
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Bryan Carstens @bryanccarstens.bsky.social · 27/07/2024
David Baum in his SSB presidential address at Evolution 2024 just called attention to the Maddison and Whittington paper published last year on species. ssbbulletin.org/index.php/bs...
ssbbulletin.org
The Species as a Reproductive Community Emerging From the Past | Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 12/07/2024
A new paper by @tfirneno.bsky.social et al. was just published in the Bulletin of the SSB. It explores evolutionary relationships in earless lizards using genomic data. ssbbulletin.org/index.php/bs... @ssbbulletin.bsky.social @systbiol.bsky.social
photo of an earless lizard
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Bryan Carstens @bryanccarstens.bsky.social · 12/07/2024
@ssbbulletin.bsky.social announces publication of a really cool paper by @rejectresubmit.bsky.social and @3rdreviewer.bsky.social that uses SML to decipher speciation and introgression: ssbbulletin.org/index.php/bs...
ssbbulletin.org
Distinguishing Between Histories of Speciation and Introgression Using Genomic Data | Bulletin of the Society of Systematic Biologists
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Mark Hibbins, Great Lakes Swashbuckler @rejectresubmit.bsky.social · 11/07/2024
The last paper from my PhD is finally out in Bulletin of SSB with @3rdreviewer.bsky.social! We used theory and supervised machine learning to learn how to disentangle uncertain histories of speciation and introgression. ssbbulletin.org/index.php/bs...
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Bryan Carstens @bryanccarstens.bsky.social · 12/07/2024
A new paper with Emanuel Fonseca that uses AI to combine phylogeographic and landscape inference was just published. Check it out here: www.sciencedirect.com/science/arti...
sciencedirect.com
Artificial intelligence enables unified analysis of historical and landscape influences on genetic diversity
While genetic variation in any species is potentially shaped by a range of processes, phylogeography and landscape genetics are largely concerned with…
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Bryan Carstens @bryanccarstens.bsky.social · 11/07/2024
A new paper by van de Peppel et al. investigates speciation and species boundaries in termite-cultivated basidiomycete fungi. ssbbulletin.org/index.php/bs...
Photos depicting the differences between the two fruiting modes in Termitomyces fungi.
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Bryan Carstens @bryanccarstens.bsky.social · 09/07/2024
@ssbbulletin.bsky.social A new article by Blake Fauskee et al. in the Species Network Special Issue identifies ancient introgression in Mouse Lemurs and demonstrate how this phenomenon was the root cause of phylogenetic uncertainty. ssbbulletin.org/index.php/bs...
A photo of a mouse lemur.
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Bryan Carstens @bryanccarstens.bsky.social · 09/07/2024
The Bulletin of the SSB announces publication of our Species Network Special Issue edited by Claudia Solis-Lemus & George Tiley. The first part of this issue is here: ssbbulletin.org/index.php/bs.... Articles from the second part of this issue will be published here: ssbbulletin.org/index.php/bs...
ssbbulletin.org
Vol. 2 No. 3 (2023): Species Networks Special Issue | Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 07/05/2024
A new article by DeBiasse et al presents an improved estimate of Cnidarian phylogeny: ssbbulletin.org/index.php/bs.... Their approach to analysis of phylogenomic data is intriguing and worth a read. @megdaly.bsky.social @ssbbulletin.bsky.social
ssbbulletin.org
A Cnidarian Phylogenomic Tree Fitted With Hundreds of 18S Leaves | Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 18/03/2024
A new article in the SSB Bulletin by Joshua Justison and @trayc7.bsky.social explores how reticulation among diverging evolutionary lineages can influence macroevolutionary patterns. ssbbulletin.org/index.php/bs...
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Bryan Carstens @bryanccarstens.bsky.social · 18/03/2024
A new article in the SSB Bulletin by Joshua Justison and @trayc7.bsky.social explores how reticulation among diverging evolutionary lineages can influence macroevolutionary patterns. ssbbulletin.org/index.php/bs... Submissions open at: ssbbulletin.org/index.php/bs...
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Wayne Maddison @waynemaddison.bsky.social · 12/12/2023
To practicing species taxonomists using morphology, here's a guide to our new paper on species concepts. A 🧵. @jeannettewhitton.bsky.social (Paper: doi.org/10.18061/bss...; see also: bsky.app/profile/wayn...) #evolbio #philsci 🧪
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Luke Campillo @lcampillo.bsky.social · 23/01/2024
It’s a gem, for sure! As is the manuscript. Thanks to you and @jeannettewhitton.bsky.social for such a well-framed contribution to the discourse. I thoroughly enjoyed reading it 😊🤓😎
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Oleg Sobchuk 🇺🇦 @sobchuk.bsky.social · 13/12/2023
Journal fees for open access are becoming obscene. But what are we, scientists, paying for? I made a simple plot with journals in my research area(s). Clearly, we are paying for prestige: a shockingly clean correlation between the impact factor and journal fees
A plot showing prestige (impact factor) on vertical axis and fees charged by journals on horizontal axis.
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Bryan Carstens @bryanccarstens.bsky.social · 13/12/2023
The EEOB department at The Ohio State University is searching for an integrative biologist at the Assistant or Associate Professor level. We're particularly interested in someone who is conducting investigations from the genotype to phenotype. osu.wd1.myworkdayjobs.com/OSUCareers/j...
osu.wd1.myworkdayjobs.com
Assistant or Associate Professor, Integrative Biology
Screen reader users may encounter difficulty with this site. For assistance with applying, please contact hr-accessibleapplication@osu.edu. If you have questions while submitting an application, pleas...
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Bryan Carstens @bryanccarstens.bsky.social · 12/12/2023
The number of OA articles was higher than subscription articles in 2022! ncses.nsf.gov/pubs/nsb2023... This continues a positive trend in the rise of OA as a proportion of STEM publications. I would love to see data on the costs associated with publishing OA: APCs, read/publish, or something else?
ncses.nsf.gov
Publications Output: U.S. Trends and International Comparisons | NSF - National Science Foundation
Academic publications in the form of peer-reviewed journal articles and conference proceedings are an important medium where scientific discoveries are made and shared. This report presents data that ...
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Jeannette Whitton @jeannettewhitton.bsky.social · 09/12/2023
Now that our paper on species concepts is out, time to update an old post (on that other place) on the XCKD paper title meme. @waynemaddison.bsky.social #SpeciesConcepts [doi.org/10.18061/bssb.v2i1.9358]
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Jeannette Whitton @jeannettewhitton.bsky.social · 09/12/2023
I'm pretty excited but also have some trepidation about our long-incubated paper being out there. I wrote a bit about my experience, including the struggle here: blogs.ubc.ca/jwhitton/202...
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Wayne Maddison @waynemaddison.bsky.social · 09/12/2023
A new view of #SpeciesConcepts by @jeannettewhitton.bsky.social and me, clarifying time frames while unifying interbreeding, genealogy, and traits. A general-purpose species should be a reproductive community (bound by cohesive processes) viewed retrospectively (RRCC).  doi.org/10.18061/bss...
Image of first page and an illustration from our paper titled "The species as a reproductive community emerging from the past".
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Bryan Carstens @bryanccarstens.bsky.social · 08/12/2023
@ssbbulletin.bsky.social bsky.social @waynemaddison.bsky.social and @jeannettewhitton.bsky.social argue that a retrospective view of species that lets go of a natural meaning for species rank will allow biologists to understand the processes that shape biodiversity. ssbbulletin.org/index.php/bs...
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Bryan Carstens @bryanccarstens.bsky.social · 01/12/2023
A new paper by Drew Duckett compares different sets of data for some common analyses and finds that SNPs collected via GBS or ddRAD give us nearly the same answer as whole genomic data in a montane vole. journals.plos.org/plosone/arti...
journals.plos.org
Reduced representation approaches produce similar results to whole genome sequencing for some common...
When designing phylogeographic investigations researchers can choose to collect many different types of molecular markers, including mitochondrial genes or genomes, SNPs from reduced representation pr...
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Bryan Carstens @bryanccarstens.bsky.social · 21/09/2023
The Bulletin of the SSB is looking for editors and reviewers. Find our more information at ssbbulletin.org/index.php/bssb and email our managing editor to volunteer.
ssbbulletin.org
Bulletin of the Society of Systematic Biologists
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Bryan Carstens @bryanccarstens.bsky.social · 20/09/2023
A new article by Bernstein et al. in the Bulletin of the Society of Systematic Biologists explores the biogeography and phylogeny of Homalopsidae mud snakes: ssbbulletin.org/index.php/bs...
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Bryan Carstens @bryanccarstens.bsky.social · 20/09/2023
New article in the Bulletin of the Society of Systematic Biologists documents untold stories from the California Academy of Science: ssbbulletin.org/index.php/bs...
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