Evolutionary Systematics

New species of mygalomorph spiders described from the Pampean mountain ranges of Argentina.

Additionally, this paper provides an updated identification key for the Argentine species of 𝘈𝘤𝘢𝘯𝘵𝘩𝘰𝘨𝘰𝘯𝘢𝘵𝘶𝘴: doi.org/10.3897/evolsyst.10.172168

Three kukri snakes - 𝘖𝘭𝘪𝘨𝘰𝘥𝘰𝘯 𝘰𝘳𝘯𝘢𝘵𝘶𝘴, 𝘖. 𝘭𝘶𝘯𝘨𝘴𝘩𝘦𝘯𝘦𝘯𝘴𝘪𝘴, and 𝘖. 𝘣𝘪𝘷𝘪𝘳𝘨𝘢𝘵𝘶𝘴 - have been recognised as distinct species.

This study confirms their distinct evolutionary units, despite their recent divergence and similar DNA: doi.org/10.3897/zse.102.183157

@umich.edu

The Black Pennant considered native to the Iranoeremian region has exhibited rapid expansion across Europe since the turn of the century.

This study examines the species' presence in Hungary, using traditional field observations and citizen science data: doi.org/10.3897/evolsyst.10.178055

Ocean Species Discoveries 28–30 — new species of chitons (Mollusca, Polyplacophora) and a public naming competition Three new chitons are reported from distinct and underexplored marine habitats: Ferreiraella populi sp. nov. from deep-sea sunken wood off Japan in the western Pacific, Notoplax madagascariensis sp. n...

🥁 Drum roll...🥁

Meet 𝘍𝘦𝘳𝘳𝘦𝘪𝘳𝘢𝘦𝘭𝘭𝘢 𝘱𝘰𝘱𝘶𝘭𝘪 🎉

Named by the community after 1,000s of suggestions, the "chiton of the people" is officially described in the latest article published in BDJ!

🌊 Shout out to everyone who participated, @zefrank.bsky.social, @oceanspecies.bsky.social & @sgn.one!

Two specimens of the genus Tubiluchus are reported from Cabo Verde, serving as the southernmost record in the Eastern Atlantic for this genus.

Read more about these priapulid worms, specifically 𝘛𝘶𝘣𝘪𝘭𝘶𝘤𝘩𝘶𝘴 𝘭𝘦𝘮𝘣𝘶𝘳𝘨𝘪 and 𝘛𝘶𝘣𝘪𝘭𝘶𝘤𝘩𝘶𝘴 𝘤𝘰𝘳𝘢𝘭𝘭𝘪𝘤𝘰𝘭𝘢: doi.org/10.3897/evolsyst.10.181089

True Facts: New Species Naming Competition YouTube video by Ze Frank

Want to be a person who named a #newspecies?

⏳We have 2 days left to find the perfect name for this c#hiton before it’s officially published in the Biodiversity Data Journal on February 6.

🔬Don’t miss out on this #scientific immortality!

Submit your idea now: 👉 www.youtube.com/watch?v=G7Hk...

Help name a new deep-sea chiton species Researchers have recently identified a new species of chiton. Now, in an effort to bridge the gap between deep-sea exploration and public engagement, the team from the Senckenberg Ocean Species Allian...

🔎Want to name a new #deep-sea #chiton?

📣Join the global name search with @zefrank.bsky.social , @oceanspecies.bsky.social and @sgn.one .

📑 The winning name will be officially published in the Biodiversity Data Journal ( @bdj.pensoft.net ) on Feb 6!

Share your name idea + reasoning below! 👇

Help name a new deep-sea chiton species Researchers have recently identified a new species of chiton. Now, in an effort to bridge the gap between deep-sea exploration and public engagement, the team from the Senckenberg Ocean Species Allian...

😮 Help name a new species!

Found 5,506m deep in the Izu-Ogasawara Trench, this #deep-sea #chiton needs a #scientific name.

🙌We’re teaming up with @zefrank.bsky.social and @oceanspecies.bsky.social (SOSA) to let YOU decide!

👉Comment your name idea + 1 sentence explaining why.

@sgn.one

Descriptions of two new species of spiny frog from Ranomafana National Park, in south-east Madagascar: doi.org/10.3897/evol...

#Amphibia #Anura #newspecies

@tu-braunschweig.de

In-situ photographs of Spinomantis lakolosy, female paratype perched on a small branch alongside a rock ledge.

#NewSpecies
New spiny frog from #madagascar just snuck in:

Spinomantis lakolosy

Treatment: treatment.plazi.org/id/D9754505-...
Publication: doi.org/10.3897/evol...
#EvolutionarySystematics #SpinomantisLakolosy

#FAIRdata
#OA #biology #biodiversity #nature #wildlife #animals #herps #amphibia #frogs

New snake species named in honor of Steve Irwin | Blog The species is glossy black, reaches up to a meter in length, and is non-venomous. It is believed to be endemic to the island.

A cool species described only a couple of months ago @evolsyst.pensoft.net is the beautiful Lycodon irwini named after Australian conservationist Steve Irwin.

blog.pensoft.net/2025/11/18/n...

Type specimens may sit quietly in collections, but they’re central to naming, comparing and protecting biodiversity. This update highlights how dynamic and valuable museum collections really are.

A new skink species of the genus Scincella Mittleman is described from China's Guizhou Province. See more here: doi.org/10.3897/zook...

#phylogeny #taxonomy #newspecies

Descriptions of two new species of spiny frog from Ranomafana National Park, in south-east Madagascar: doi.org/10.3897/evol...

#Amphibia #Anura #newspecies @tu-braunschweig.de

A second addition to the herpetological type catalogue of the Zoological Museum of Hamburg at @leibnizlib.bsky.social, with 53 additional newly discovered or newly described type specimens: doi.org/10.3897/evol...

Over the top: Three new species of terrestrial breeding frogs (Anura, Terrarana, Pristimantis) from the highlands of the Cordillera de Huancabamba, northwestern Peru We describe three new species of Pristimantis frogs from northwestern Peru on the basis of morphological and genetic differences. Pristimantis chinguelas sp. nov. is similar in appearance to P. wagter...

The new frog species (and two more!) is described here: doi.org/10.3897/evol...

A frog species we published this year made it into this highly interesting review of (arbitrarily) the best scientific discoveries of 2025! www.frogheart.ca?p=60751

"These frogs are powerful reminders of how much we still don’t know about the Andes," says our author Germán Chávez.

New snake species named in honor of Steve Irwin | Blog The species is glossy black, reaches up to a meter in length, and is non-venomous. It is believed to be endemic to the island.

An interesting story we recently published, with a new species of snake described!

Read the paper in Evolutionary Systematics: doi.org/10.3897/evol...

blog.pensoft.net/2025/11/18/n...

Black wolf snake discovered on remote Indian island. It's over a metre long and eats other reptiles | Discover Wildlife A newly described species has been named after the famous conservationist and wildlife educator Steve Irwin.

🐍 Honouring late #SteveIrwin: the famous Australian #conservationist & #wildlife educator, this wolf #snake was described as a #newspecies in the #openaccess peer-reviewed journal @evolsyst.pensoft.net.

🗺️ The #reptile is thought to occur only on one island in the Indian Ocean.

🗞️ Via BBC Wildlife:

New snake species named in honor of Steve Irwin | Blog The species is glossy black, reaches up to a meter in length, and is non-venomous. It is believed to be endemic to the island.

We're excited to see one of our latest articles, on the discovery of the Irwin’s wolf snake, covered by BBC's Wildlife Magazine!

You can read the study here: doi.org/10.3897/evol...

blog.pensoft.net/2025/11/18/n...

Newly Discovered Wolf Snake Species Is Slender, Shiny Black, And It’s Named After Steve Irwin Welcome to the world Lycodon irwini.

This article explores one of our latest discoveries, the Irwin’s wolf snake!

Read our study here: doi.org/10.3897/evol...

www.iflscience.com/newly-discov...

Australian zookeeper, conservationist, and TV personality Steve Irwin just got a beautiful new snake species named after him! Lycodon irwini is glossy black, reaches up to a meter, and is believed to be endemic to India's Great Nicobar Islands.

See more here: blog.pensoft.net/2025/11/18/n...

Lycodon irwini, dorsolateral view of an adult female in life.

#NewSpecies!
New wolf snake from #india just crept in:

Lycodon irwini

Treatment: treatment.plazi.org/id/D8A2AD07-...
Publication: doi.org/10.3897/evol...
#EvolutionarySystematics #LycodonIrwini

#FAIRdata
#OA #ecology #nature #wildlife #conservation #animals #herpetology #herps #reptilia #snakes

The first phylogeny of Sri Lankan goblin spiders investigates the relationships of these short-range endemic species on the island: doi.org/10.3897/evol...

#Araneae #biogeography #phylogenetics

Devario altus is a newly described fish species established in a study of the phylogeny of Devario species in Sri Lanka. Find out more about it here: doi.org/10.3897/evol...

#fish #newspecies #phylogeny @unibe.ch

A re-examination of museum material and newly collected specimens, combined with molecular analyses, confirms this snake is a new-to-science species, described here as Lycodon irwini, named after Steve Irwin! doi.org/10.3897/evol...

Two new species of cobweb spiders are described from Sumatra, Indonesia. Find out more about them here: doi.org/10.3897/evol...

#arachnids #biodiversity #taxonomy @kalakemangga.bsky.social @uni-goettingen.de

Rhinophis siruvaniensis in life.

#NewSpecies!
New shieldtail snake from #india just crept in:

Rhinophis siruvaniensis

Treatment: treatment.plazi.org/id/6A56F00F-...
Publication: doi.org/10.3897/evol...
#EvolutionarySystematics #RhinophisSiruvaniensis

#FAIRdata
#openaccess #biodiversity #nature #wildlife #animals #herps #snakes

A new species of burrowing snake of the genus Rhinophis is described from India's Western Ghats: doi.org/10.3897/evol...

#snakes #taxonomy #newspecies

Dorsolateral view of the holotype of Pristimantis nunezcortezi in life.

#NewSpecies
New frog from #peru just jumped in:

Pristimantis nunezcortezi

Treatment: treatment.plazi.org/id/ED922C7F-...
Publication: doi.org/10.3897/evol...
#EvolutionarySystematics #PristimantisNunezcortezi

#FAIRdata
#biology #ecology #biodiversity #nature #wildlife #animals #herpetology #frogs