A new study in Systematics and Biodiversity by Arroyave 𝘦𝘵 𝘢𝘭. provides a major update on the evolutionary history of the enigmatic Middle American catfish 𝙇𝙖𝙘𝙖𝙣𝙩𝙪𝙣𝙞𝙖 𝙚𝙣𝙞𝙜𝙢𝙖𝙩𝙞𝙘𝙖. Read here: buff.ly/ytCS0yi #TaxonomyTuesday #catfish #Chiapas #Gondwanan #mitogenomes #Siluriformes

New study out in Systematics and Biodiversity! An old species with a new identity: resurrection and updated distribution of 𝙎𝙖𝙧𝙤𝙣 𝙝𝙚𝙢𝙥𝙧𝙞𝙘𝙝𝙞𝙞 (Heller, 1861) (Hippolytidae: Decapoda) from the Mediterranean and Red Sea by Levitt‑Barmats 𝘦𝘵 𝘢𝘭. 🔗 Full article: buff.ly/WowezyY #cryptic #SuezCanal

A troglobiotic oribatid mite (Acari, Oribatida) in European caves: cryptic diversity and a Late Miocene origin of its phyletic lineages. Rendošová et al. uncover surprising cryptic diversity in the cave‑dwelling 𝙆𝙪𝙣𝙨𝙩𝙞𝙙𝙖𝙢𝙖𝙚𝙪𝙨 𝙡𝙚𝙣𝙜𝙚𝙧𝙨𝙙𝙤𝙧𝙛𝙞. Read the full study here: buff.ly/Xh2M20X

New study out in Systematics and Biodiversity! Is the exploration of the Socotran flora complete? A new species and the return of a lost Psiadia (Asteraceae) La Montagna 𝘦𝘵 𝘢𝘭. describe a previously unrecognized 𝙋𝙨𝙞𝙖𝙙𝙞𝙖 species and confirming the return of a long‑lost taxon: buff.ly/95sgBMo

New paper out in SAB 🦇 Moras 𝘦𝘵 𝘢𝘭. investigate the 𝙉𝙮𝙘𝙩𝙞𝙣𝙤𝙢𝙤𝙥𝙨 𝙡𝙖𝙩𝙞𝙘𝙖𝙪𝙙𝙖𝙩𝙪𝙨 complex (Chiroptera: Molossidae). The genus 𝙉𝙮𝙘𝙩𝙞𝙣𝙤𝙢𝙤𝙥𝙨 spans the Americas, yet until now its internal relationships have remained poorly understood. Read the full study here: buff.ly/0cd4coj #crypticspecies #bats

eDNA has become a component of biodiversity assessment, but can eDNA data be compared with traditional survey data? Davinack & Seaberg highlight a key conceptual gap: eDNA captures molecular traces transformed by various processes, rather than a direct encounter with organisms 🔗 buff.ly/jc4Ka5w

Missionary maps to molecular markers: investigating genetic diversity of the black-and-white snub-nosed monkey (𝙍𝙝𝙞𝙣𝙤𝙥𝙞𝙩𝙝𝙚𝙘𝙪𝙨 𝙗𝙞𝙚𝙩𝙞) from museum collections Afonso et al. georeferenced 19th‑century and 20th‑century specimens, showing genetic loss due to habitat fragmentation 🔗 : buff.ly/8r07SDA

Unveiling spatial and temporal gaps in the knowledge of marine invertebrates in Mexico by Vázquez Flores 𝘦𝘵 𝘢𝘭. An assessment of Mexico’s marine invertebrate records, highlighting the need for targeted sampling and re‑surveys to rebuild accurate biodiversity baselines: buff.ly/hRKU5kg #Biodiversity

Our Editor‑in‑Chief, Dr Tom White, in action a few weeks ago, representing the NHM at First Light Festival — Lowestoft’s annual festival. A huge thank you to everyone who stopped by to chat and discover more about the incredible biodiversity of our planet. 🌎️ #NHM #Biodiversity #FirstLightFestival

Environmental differences and incipient ecological divergence explain the varieties in 𝙉𝙞𝙚𝙧𝙚𝙢𝙗𝙚𝙧𝙜𝙞𝙖 𝙡𝙞𝙣𝙖𝙧𝙞𝙞𝙛𝙤𝙡𝙞𝙖 (Solanaceae). Chiabrando 𝘦𝘵 𝘢𝘭. integrate ecological niche modelling and genetic analyses to identify drivers of 𝙉. 𝙡𝙞𝙣𝙖𝙧𝙞𝙞𝙛𝙤𝙡𝙞𝙖 diversification: buff.ly/KhLxOOt #TaxonomyTuesday

Peruzzi 𝘦𝘵 𝘢𝘭: An ecological and micromorphological study on the Calabrian (Italy) endemics of the genus 𝘾𝙚𝙣𝙩𝙖𝙪𝙧𝙚𝙖 (Asteraceae). Calabrian endemics were compared with 𝘾𝙚𝙣𝙩𝙖𝙪𝙧𝙚𝙖 𝙙𝙚𝙪𝙨𝙩𝙖 s.str., using SEM micromorphology, explicit niche‑overlap tests, and Wettstein’s tesseract approach: buff.ly/gbsMbd5

New study out in SAB! Increased taxon-sampling improves generic relationships in the gastropod family Solariellidae (Gastropoda; Trochoidea) by Williams et al, providing a framework for research on solariellid evolution and biogeography. Read the full study here: buff.ly/qwuYRdL #TaxonomyTuesday

New study out in SAB! García‑Rodríguez et al. describe new 𝙃𝙤𝙢𝙖𝙡𝙤𝙢𝙚𝙩𝙧𝙤𝙣 sp. from the striped mojarra (Eugerres plumieri) in the Sontecomapan Lagoon: 𝙃𝙤𝙢𝙖𝙡𝙤𝙢𝙚𝙩𝙧𝙤𝙣 𝙥𝙖𝙧𝙚𝙣𝙩𝙪𝙢 and 𝙃𝙤𝙢𝙖𝙡𝙤𝙢𝙚𝙩𝙧𝙤𝙣 𝙙𝙤𝙢𝙞𝙣𝙜𝙪𝙚𝙯𝙞. A key contribution to Neotropical parasite systematics and host–parasite ecology: buff.ly/JJW1mve

New study out in SAB! Fortunato 𝘦𝘵 𝘢𝘭. resurrect the genus 𝙍𝙝𝙖𝙥𝙝𝙞𝙙𝙤𝙨𝙩𝙮𝙡𝙖 and describe 𝙍𝙝𝙖𝙥𝙝𝙞𝙙𝙤𝙨𝙩𝙮𝙡𝙖 𝙛𝙞𝙨𝙩𝙪𝙡𝙤𝙭𝙞𝙛𝙚𝙧𝙖 sp. nov., a cryptogenic halichondriid sponge with an Atlantic–Pacific distribution, strengthening our understanding of global marine sponge diversity. Read here: buff.ly/pnYy8Ll

New study out in SAB! Abu Baker 𝘦𝘵 𝘢𝘭. investigate the taxonomy and intraspecific diversity of the agamid genus 𝙇𝙖𝙪𝙙𝙖𝙠𝙞𝙖 in Jordan, integrating morphological data with genetic analyses. Full article: buff.ly/1uRJsZ7

New paper out in SAB! Kodama 𝘦𝘵 𝘢𝘭. report a new species of giant-eyed bathypelagic eusirid amphipod (Crustacea: Amphipoda: Eusiridae) from the western North Pacific- a family whose deep‑sea diversity is still largely unexplored. Read the full study here: buff.ly/H0OXksp #TaxonomyTuesday

New study in SAB on the cyprinid genus 𝙀𝙚𝙘𝙝𝙖𝙩𝙝𝙖𝙡𝙖𝙠𝙚𝙣𝙙𝙖, in India’s Western Ghats. Chandra 𝘦𝘵 𝘢𝘭. performed phylogenetic analysis and describe a new species, 𝙀𝙚𝙘𝙝𝙖𝙩𝙝𝙖𝙡𝙖𝙠𝙚𝙣𝙙𝙖 𝙞𝙣𝙘𝙤𝙜𝙣𝙞𝙩𝙖. Both 𝙀. 𝙤𝙥𝙝𝙞𝙘𝙚𝙥𝙝𝙖𝙡𝙖 and 𝙀. 𝙞𝙣𝙘𝙤𝙜𝙣𝙞𝙩𝙖 face mounting habitat pressures, with a high extinction risk: buff.ly/TQrdvjF

Our Editorial Board members have been busy in Iceland 🪱 EiC Pete Olson and AE's Jesus Hernandez-Orts and Gema Alama-Bermejo were recently among a group of guest teachers on a two-week intensive field course "Ecology and Evolution of Aquatic Parasites" at the University of Iceland, Reykjavic!

New study out in SAB! Ševčíková 𝘦𝘵 𝘢𝘭. provide revise the 𝙋𝙡𝙪𝙩𝙚𝙪𝙨 𝙚𝙥𝙝𝙚𝙗𝙚𝙪𝙨 clade, integrating morphological and molecular evidence to stabilise long‑standing taxonomic issues. Read here: buff.ly/U0NVaLO A major contribution to fungal systematics and the resolution of cryptic species complexes.

Did you know.. a family of cave amphipods from Georgia, Zenkevitchiidae, is one of 19 cave‑adapted genera that evolved in total darkness beneath the Caucasus. Find out about life evolved in the dark, with an amphipod community spanning both freshwater and sulphidic lakes: buff.ly/zSE8crs

New study out in SAB! Ciliates are essential members of aquatic food webs. Zhu 𝘦𝘵 𝘢𝘭. examine three marine colepids from China: 𝙋𝙡𝙖𝙜𝙞𝙤𝙥𝙤𝙜𝙤𝙣 𝙥𝙖𝙧𝙖𝙡𝙤𝙧𝙞𝙘𝙖𝙩𝙪𝙨, 𝘼𝙥𝙤𝙘𝙤𝙡𝙚𝙥𝙨 𝙘𝙖𝙤𝙞, and 𝙋𝙞𝙣𝙖𝙘𝙤𝙘𝙤𝙡𝙚𝙥𝙨 𝙨𝙞𝙢𝙞𝙡𝙞𝙨to hellp understanding colepid diversity and their role. Read the full study here: buff.ly/4tpGAc7

Systematics and Biodiversity will publish a special collection of articles arising from BioSyst.EU 2026. Do not miss your chance to talk to the editors about this opportunity, all papers contributing to the special collection will receive a free 6 month Open Access period #BioSystEU2026

Meet our Editors-in-Chief at BioSyst. EU 2026 (17th to 19th August Sweden) Come and join the discussion - with a question-and-answer session, discussing scientific publishing, peer review and editorial services in the fields of systematics and biodiversity. #BioSystEU2026 Register: buff.ly/zxNVLxp

Meet our brilliant team of Associate Editors! Prof. Shalva Barjadze from Ilia State University Georgia, specializes in aphid and collembolan taxonomy, biodiversity, cave biology & cave conservation. Take a look at some of his research here: buff.ly/zPXkb5c @shalva-barjadze-546b1a61

New study out in SAB 🦋 Pfeiler revisits the debated taxonomy of North America’s white admirals and red‑spotted purples. Pfeiler recommends reinstating 𝙇𝙞𝙢𝙚𝙣𝙞𝙩𝙞𝙨 𝙖𝙨𝙩𝙮𝙖𝙣𝙖𝙭 as a full species and renaming the Arizona red‑spotted purple 𝙇. 𝙖𝙨𝙩𝙮𝙖𝙣𝙖𝙭 𝙖𝙧𝙞𝙯𝙤𝙣𝙚𝙣𝙨𝙞𝙨. Read the full study: buff.ly/eNkJ3Sz

For #TaxonomyTuesday - a plant on the edge of extinction! Porceddu 𝘦𝘵 𝘢𝘭. (2017) explore 𝙍𝙞𝙗𝙚𝙨 𝙨𝙖𝙧𝙙𝙤𝙪𝙢, the most threatened endemic plant of Sardinia, which is protected under the Habitats Directive and listed as Critically Endangered by the IUCN. Read the full study here: buff.ly/noqSW3u

New paper out in SAB! Salles 𝘦𝘵 𝘢𝘭. (2026) present a perspective on how global asymmetries continue to shape and constrain biodiversity science, highlighting the uneven access to taxonomic and phylogenetic resources, especially across Natural History Museums worldwide. Read here: buff.ly/jyci76E

🌿 New in SAB 🌿 Morales‑Garduño 𝘦𝘵 𝘢𝘭. test how sampling gaps shape molecular phylogenies in spatial phylogenetics using 𝙍𝙤𝙡𝙙𝙖𝙣𝙖 in Mexico as a case study. Only 40% of vascular plants have molecular data, highlighting the need to integrate taxonomic information and phylogenetics. 🔗 buff.ly/uGZTYLX

#TaxonomyTuesday Frainer 𝘦𝘵 𝘢𝘭. (2021) used museum specimens to reveal a rare new characid fish genus, helping to refine the interrelationships of the Probolodini (Characidae: Stethaprioninae). Read the full study here: buff.ly/WPZmE1v #Taxonomy #endangeredspecies #biodiversity

Systematics and Biodiversity will publish a special collection of articles arising from BioSyst.EU 2026. Our Editors-in-Chief will be there so you can talk to them about this opportunity during the meeting, or send us a message to find out more! SAB submission site: buff.ly/rysehBr #BioSystEU2026